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16 GB joyflash class 10 speed test

Hi Guys,
just got a new "16 gb class 10 joyflash micro sd' off of ebay for £18
I used h2test 1.4 with a micro sd adapter to test the speed with the test reading and writing 1GB of data
The test yielded results of 15.5 MB/s write and 16.8 MB/s read.
Are these the sort of results that I should be expecting and should they be good enough for me to use a data2ext etc rom?
Thanks

those speeds look good compared to what ive seen quoted for class 6. i think i'll buy the same as you, good value if its not fake!

I've done a complete test with h2testw and the card is indeed the full 16 GB (minus the space taken up by the fat)
I've also done this test with another card of the same type, from the same seller on ebay, that I bought for a friend and it achieved 15 MB/s write and 18.2 MB/s read. Might have to do a cheeky swap :L

any chance you can post up the item number please?
is it 110661046754 ?

yeh that's the item number of the one i got
http://cgi.ebay.co.uk/16GB-16-GB-Mi...AsAccessories_MemoryCards&hash=item19c3e991e2

just ordered one hope it improves 720p video recording im sick of it jumping evey few seconds on standard class 4 card

if i had known earlier,i bought a class 6 8gig kingston which i'm not satisfied at all guess i'll order one of these next time,thanks for sharing

mat_1_uk said:
just ordered one hope it improves 720p video recording im sick of it jumping evey few seconds on standard class 4 card
Click to expand...
Click to collapse
Ive just done the same. I use A2SD at the mo because i have a standard 8 gb class 4 i think...... crap!! Video recording lags like you said and also transferring albums takes its time too so cant wait to start using D2W
Thanks for your sharing dude!!

No problem guys
Thing is I was reading everywhere, "get this one", "or those ones are rubbish",
Was a bit confused, so kind of just took the leap and was pretty pleased with the speed test results, and the card didn't have a fake size or anything and the price was pretty cheap. Can't argue with that tbh
Im running cyanogenmod 7 rc3 atm, so it's not essentiall I have a fast sd card as the resived hboot partition table gives you loads of space.
Can't wait for a fully working gingerbread rom with sense.
Should be interesting to see what version of sense that htc give the desire gingerbread rom when it's released. Whether it'll be new, or the same one that shipped with froyo? I hope it new. But if it's not there will probably be a good desire hd port etc up in no time (then i'll need an ext partition :L)

This was the best thing I've ever bought... check my quadrant out on miui d2w. With 1 gb ext 4...
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Dude thanx so much for sharing this eBay item. Only took 3 days too.
Sent from my HTC Desire using XDA Premium App

Can't wait for a working gb sense too. Need a cam and hopefully d2w. Ha. Super fast gb sense. Got miui gb at the mo and love it.
Sent from my HTC Desire using XDA Premium App

how on earth can this be so cheap?
bugger, it does not ship to europe, why?

It is true. It's a. Brilliant buy. That's shame :-(
Sent from my HTC Desire using XDA Premium App

can anyone buy it for me and send? i got paypal

If u order it to me I can send on along as I get the postage allowance.
Sent from my HTC Desire using XDA Premium App

I'm not sure how much it would cost to send from here (england) to wherever you guys are in europe. But I don't mind buying one for someone else and sending it.
Haha yeh it is a good buy - and quick delivery
What results are you guys getting speed related? - I'm guessing the most accurate way to do it would be to test it on your computer through an adapter with the program i mentioned in the first post. But i could be wrong

it shouldn't be more then 2-3Ł.....normail cheapest option.

:O MATE i am getting one, nice find by the way! Class 4 is just not the one when it comes to D2SD or anything other than A2SD+....have you tried this with a ROM using d2EXT? or D2SD? what are your experiences if so?

Hi,
I bought the same card from same seller 16gb class 10 sd card. I am running lee droid 2.3 rom with 1gb ext 3. I did my test on my phone using sd card speed test couple of times it is showing my card write speed as 5 MB/s and reading as 14MB/s. Am i missing something here?

Tehe.
ronaldo9_r9 said:
Hi,
I bought the same card from same seller 16gb class 10 sd card. I am running lee droid 2.3 rom with 1gb ext 3. I did my test on my phone using sd card speed test couple of times it is showing my card write speed as 5 MB/s and reading as 14MB/s. Am i missing something here?
Click to expand...
Click to collapse
Yeh, i think basically the speed of your sd card in your phone when using ext partitions can depend on the kernel/how good the d2ext scripts are. I think a good thing to do to test the improvement of the sd card, is to do a quadrant test, and compare the benchmark to when you used last sd card.
Also test it in your computer to get a more accurate read/write speed. (and not through usb from phone because for some reason for me, that's very slow)
Dunno if any of you guys saw this
http://www.xda-developers.com/android/increase-the-reading-speed-of-your-sd-card/
pretty interesting. I haven't got around to doing it

Great Deal for 32GB Micro-SD ($47)

Picking this up for my G2x and figured I'd share this because it's such a great deal!
http://dealnews.com/A-DATA-32-GB-micro-SDHC-Class-4-Card-for-47-free-shipping/486573.html

A-data and class 4 suck both. Not a crazy deal though thanks for shearing.
Just my 2/100

I've had good luck with them! This will replace the 16GB one in the G2x right now, and I'll continue to use the Adata 16GB card in the Acer A100(finally a fairly priced tablet!). In fact that card was used in my Nexus One, prior to me getting the G2x.

Antigen said:
A-data and class 4 suck both. Not a crazy deal though thanks for shearing.
Just my 2/100
Click to expand...
Click to collapse
Class 4 is decent; anything above it they optimize it for higher sequential read at the cost of random r/w(class 6 means 6mb/s sequential)...most(if not all) class 4s outperform class 6 and 8 at random r/w

All of my SD cards have been ADATA for years and I have yet to have a single one fail me in any way. Unlike many other brands in the same price range.

rauelius said:
Picking this up for my G2x and figured I'd share this because it's such a great deal!
http://dealnews.com/A-DATA-32-GB-micro-SDHC-Class-4-Card-for-47-free-shipping/486573.html
Click to expand...
Click to collapse
Thanks for the heads up dogg.. Thanks hit, great deal.. The hater underneath mad cause he paid 75$ for the same thing..lol

bakedpatato said:
Class 4 is decent; anything above it they optimize it for higher sequential read at the cost of random r/w(class 6 means 6mb/s sequential)...most(if not all) class 4s outperform class 6 and 8 at random r/w
Click to expand...
Click to collapse
So if someone wanted to get an sd and partition a section as swap, you're saying a class 4 would outperform a class 10?

He didn't mention anything about a class 10. And no, a class 4 won't out perform a class 10.
Veei said:
So if someone wanted to get an sd and partition a section as swap, you're saying a class 4 would outperform a class 10?
Click to expand...
Click to collapse
Sent from my LG-P999 using XDA App

Actually, he did mention a class 10. He said anything above a class 4 is optimized for read and takes a hit on r/w performance. 10 is higher than 4, hence, my question.
So, you're saying a class 10 will outperform a class 4 when used as a swap? I would have assumed that the higher the class, the higher the performance for read and r/w. Had not heard of what bakedpotato was talking about with r/w taking a dive the higher class you get.
Just trying to understand as I am interested in finding the answer.

Just thought I'd share... Unless SD Tools is inacurate for this kind of test, it looks like write is decently faster on class 10 than class 4. Just got my PNY 32 gb sd from provantage (~$55 btw). Ran a test for write and read for both PNY 4gb class 4 and PNY 32gb class 10. Was expecting a bit more from the class 10 on reads but still better than the 4. Screens attached...
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Veei said:
Actually, he did mention a class 10. He said anything above a class 4 is optimized for read and takes a hit on r/w performance. 10 is higher than 4, hence, my question.
So, you're saying a class 10 will outperform a class 4 when used as a swap? I would have assumed that the higher the class, the higher the performance for read and r/w. Had not heard of what bakedpotato was talking about with r/w taking a dive the higher class you get.
Just trying to understand as I am interested in finding the answer.
Click to expand...
Click to collapse
I saw a benchmark roundup somehwere(let me see if i can find it) saying so,in addition I found setting up class 4s for swap vs. class 10s didn't yield a clear winnner in terms of user experience. The difference between class 2 and 4 was night and day though.
Oh and what was your benchmark benchmarking? In addition I suspect that size matters when it comes to speed...(no pun intended)
Sent from my LG-P999 using XDA Premium App

bakedpatato said:
I saw a benchmark roundup somehwere(let me see if i can find it) saying so,in addition I found setting up class 4s for swap vs. class 10s didn't yield a clear winnner in terms of user experience. The difference between class 2 and 4 was night and day though.
Oh and what was your benchmark benchmarking? In addition I suspect that size matters when it comes to speed...(no pun intended)
Sent from my LG-P999 using XDA Premium App
Click to expand...
Click to collapse
Yeah, really not sure what exactly the benchmark is doing on write tests. It could very well just be writing one big file which wouldn't do well for gauging swap file performance. Not sure. I'm a network and systems guy. Not very good with the hardware side but your original post wouldn't shock me if it were true. Was very interested in finding out.

Veei said:
Yeah, really not sure what exactly the benchmark is doing on write tests. It could very well just be writing one big file which wouldn't do well for gauging swap file performance. Not sure. I'm a network and systems guy. Not very good with the hardware side but your original post wouldn't shock me if it were true. Was very interested in finding out.
Click to expand...
Click to collapse
I am only glad to have an intelligent and flame free conversation here so no worries.
http://forum.xda-developers.com/showthread.php?t=1005633
shows class 4s at the top of the list for small (4kb is I think the block size of a NAND cell most of the time) blocks of random data at a queue depth of 32.
However, I guess what I should've said is that "Class 10/8/6 won't mean any better ux for you on android"

Thx for that. I'll read through it tomorrow. I was thinking about setting up swap on this class 10. Last time I tried to use a swap, I didn't see any improvement. Though, that was on the 2nd android ever realeased (original my touch) and it was running froyo or gb. Ha!
CM7 and MIUI are both really friggin' fast on this phone so not sure it'll do much good.
Have you tried? What about setting a swap internal storage? Possible? Speed?

Help Buying Sd Card!

Hi, I've found four 32GB Sd cards:-
1. Sandisk memory card Class-10
2. Sandisk memory card Class-4
3. Transcend memory card Class-4 (Height 15mm)
4. Strontium memory card Class-10 (Height-11mm)
Q1. Which one should I buy? (i.e. the best one)
Q2. Also, is there any "Height" issue (...if I bought a misfit sd card)?
Q3. Will it be compatible with my Galaxy Fit?
(For the 1st time I'm buying them online, so I'm xtremely worried!!)
Pls. help!!
Sent Via XDA™ Premium

1. The more the class,the better will be its r/w speed..so go for the class 10 only.
I have no idea whether strontium one is better or sandisk, but latter sounds a trustworthy brand.
2.Please make sure you're buying a Micro SD card
All micro sd have same dimensions : 15mm(Length) x 11mm(Width) x 1mm(Height).
And looks like this -
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Not this -
3.Yeah,fit supports upto 32GB.

Harryhades said:
1. The more the class,the better will be its r/w speed..so go for the class 10 only.
I have no idea whether strontium one is better or sandisk, but latter sounds a trustworthy brand.
2.Please make sure you're buying a Micro SD card
All micro sd have same dimensions : 15mm(Length) x 11mm(Width) x 1mm(Height).
And looks like this -
Not this -
3.Yeah,fit supports upto 32GB.
Click to expand...
Click to collapse
OMG!!! I actually didn't know about this sd card.
Thnks for ur precious advice.
& yeah! All of 'em showing this kind of preview
Brand:-Sandisk
Model:-Mobile Ultra 32GB Class 10
Type:-MicroSDHC
Should I go for it??
Sent Via XDA™ Premium

buying sd card
Galaxy_Rohit said:
Hi, I've found four 32GB Sd cards:-
1. Sandisk memory card Class-10
2. Sandisk memory card Class-4
3. Transcend memory card Class-4 (Height 15mm)
4. Strontium memory card Class-10 (Height-11mm)
Q1. Which one should I buy? (i.e. the best one)
Q2. Also, is there any "Height" issue (...if I bought a misfit sd card)?
Q3. Will it be compatible with my Galaxy Fit?
(For the 1st time I'm buying them online, so I'm xtremely worried!!)
Pls. help!!
Sent Via XDA™ Premium
Click to expand...
Click to collapse
i bought 8gb sd card class 4 ,1/2 year ago from a online store then again a 16 gb card from electronics market(in my city)........
one of my juniors also bought the same 8gb class 4 transcend sd card, and using after sometime it got bricked....
So.. wander in electronis market in your town/city and get competetive price plus still you can bargain for a lesser price..Yay

32GB (MicroSDHC) card's market price ≈ 2,700 & that's for class 4. But online is approx. 2,000 for class 10.
Sent Via XDA™ Premium

buying sd cards
Galaxy_Rohit said:
32GB (MicroSDHC) card's market price ≈ 2,700 & that's for class 4. But online is approx. 2,000 for class 10.
Sent Via XDA™ Premium
Click to expand...
Click to collapse
Standard shops will give you MRP price( without or less discount) while shops selling electronic products in bulk(mostly smartphones/mobiles) sell at muh lower price. You will get a price nearer to what you saw on the internet...PLUS they dont know the basic diff of class of sd cards you can easily snatch u want to buy..
My point was with online stores u have to be cautious otherwise there is no problem..

mni ANKIT said:
Standard shops will give you MRP price( without or less discount) while shops selling electronic products in bulk(mostly smartphones/mobiles) sell at muh lower price. You will get a price nearer to what you saw on the internet...PLUS they dont know the basic diff of class of sd cards you can easily snatch u want to buy..
My point was with online stores u have to be cautious otherwise there is no problem..
Click to expand...
Click to collapse
Yep! but std. class cards are rarely available & that "too" of a trusted brand... ... almost impossible.
Be cautious??
... about what?
Sent Via XDA™ Premium

Galaxy_Rohit said:
Yep! but std. class cards are rarely available & that "too" of a trusted brand... ... almost impossible.
Be cautious??
... about what?
Sent Via XDA™ Premium
Click to expand...
Click to collapse
Standard class 10 sd cards are readily available all over the globe..Maybe they are less popular of their pprice over their class4 or class6 brothers
Be cautious about the site from you are buying from they can be fake or cheap duplicate ones from china....
My brother recently bought samsung 8GB micro sd card CLASS 6 from Electronics market for Rs.300/-..

Galaxy_Rohit said:
Hi, I've found four 32GB Sd cards:-
1. Sandisk memory card Class-10
2. Sandisk memory card Class-4
3. Transcend memory card Class-4 (Height 15mm)
4. Strontium memory card Class-10 (Height-11mm)
Q1. Which one should I buy? (i.e. the best one)
Q2. Also, is there any "Height" issue (...if I bought a misfit sd card)?
Q3. Will it be compatible with my Galaxy Fit?
(For the 1st time I'm buying them online, so I'm xtremely worried!!)
Pls. help!!
Sent Via XDA™ Premium
Click to expand...
Click to collapse
no problem at all bro....
as the fit supports upto 32gb...
all are fyn....
and i would recommend you to a class 10 mmc coz its transfer rates are very good and also good in custom roms...
press thanx if helped..

32gb sd card does not hangs in our Fit??
Sent From Mobile Network

ak.mohanty said:
32gb sd card does not hangs in our Fit??
Sent From Mobile Network
Click to expand...
Click to collapse
Samsung Galaxy Fit supports SD Card of 32 GB.
Specifications:
http://www.gsmarena.com/samsung_galaxy_fit_s5670-3726.php

ak.mohanty said:
32gb sd card does not hangs in our Fit??
Sent From Mobile Network
Click to expand...
Click to collapse
No it doesn't.Samsung claimed G-fit supports SD cards up to 32gb. To get better performance use class10 SD cards
Press thnx button if it was helpful(plz)
Sent from my GT-S5670 using XDA

ehsan h97 said:
No it doesn't.Samsung claimed G-fit supports SD cards up to 32gb. To get better performance use class10 SD cards
Press thnx button if it was helpful(plz)
Sent from my GT-S5670 using XDA
Click to expand...
Click to collapse
Only class 10 SD card will work?
Press Thanks On Getting Helped

sandy4u said:
Only class 10 SD card will work?
Press Thanks On Getting Helped
Click to expand...
Click to collapse
No. U can also use class 4 cards,but remember u will decrease ur dev performance n speed(in comparison with class 10) of course u have to pay much more
Press thnx button if it was helpful(plz)
Sent from my GT-S5670 using XDA

How 2 verify a "class 10" memory card?
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Galaxy_Rohit said:
How 2 verify a "class 10" memory card?
Sent Via XDA™ Premium
Click to expand...
Click to collapse
I don't understand you. On card in the circle writes number 10.

I saw some are coloured. I looked for sandisk class 10. It was class 10 but nowhere written on the card(only coloured card with "Sandisk" written). I don't wanna get fooled with the fake one.
Sent Via XDA™ Premium

Thnks guyz for all ur help!!:thumbup: I got my Sandisk class 10 32GB Mobile Ultra memory card yesterday evening.
Sent Via XDA™ Premium

Which 64gb microsdxc card will you get?

Just wondering which 64gb microsdxc cards are you guys looking to use with your new s4? WIth al the issues with the sandisk 64, wondering if it's worth paying the little extra for samsung 64gb pro UHS1 (does the s4 support that speed?) Anyone know?
Also are you guys planning to use exfat? I hear some of the roms w/the old s3 had issues with exfat and needed fat32

Haven't heard of any problems with the s4, pretty sure there will be more info by next saturday

So I ended up getting the samsung 64gb microsdxc UHS1 speed rated, and also bought a USB 3.0 card reader that supports it. I suspect however the s4 (like the s3) will not support the higher UHS speeds:

I ordered the same card yesterday. I think the quality is alot better than sandisk. And even if the sgs4 dont support the full speed. It's still worth the few bugs more.
But maybe it do support it? Will have to wait and see.
Sent from my GT-I9300 using xda app-developers app

the SanDisk Ultra 64 GB MicroSDXC Class 10 works great never given me any problems

djq said:
the SanDisk Ultra 64 GB MicroSDXC Class 10 works great never given me any problems
Click to expand...
Click to collapse
That's also what I have. I've had no problems using it in my Sansa Fuze and Galaxy S.
Sent from my iPad using Tapatalk HD

I'm using Sandisk 64gb sdxc and it is very good. No problems with this card.
Wysłane z Galaxy S3

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Yeah the sandisk is no doubt good enough. But the samsung is faster. But the question is. Does the phone even support the ekstra speed.
Sent from my GT-I9300 using xda app-developers app

Don't you have a promotional deal from Samsung in your country? We, in the Netherlands, get a 64gb c10 sd card from Samsung with the S4.

i really love faster loading apps, though i'm normally limited in how many apps i can store on the sd card... however!
-the faster write speed will definitely come in handy when taking dual shot video
-the faster read speed is definitely worth getting UHS-1 but i doubt that you will notice much difference between the sandisk and samsung versions no matter what you're doing.
still, much thanks for the benchmarks, the samsung card will definitely offer a more future-proof solution

How does the Samsung 64GB MicroSD stack up in terms of speed vs the Galaxy S4 internal memory? Also, is it worth the extra $10 or so for the Samsung version vs Sandisk?

Kapitein187 said:
Don't you have a promotional deal from Samsung in your country? We, in the Netherlands, get a 64gb c10 sd card from Samsung with the S4.
Click to expand...
Click to collapse
Yes, that's also the case for me (also from the netherlands)
But Im currently using a sandisk 64gb class 10 and it also works good in my note2 (formatted as fat32 tho)

testinguser said:
Just wondering which 64gb microsdxc cards are you guys looking to use with your new s4? WIth al the issues with the sandisk 64, wondering if it's worth paying the little extra for samsung 64gb pro UHS1 (does the s4 support that speed?) Anyone know?
Also are you guys planning to use exfat? I hear some of the roms w/the old s3 had issues with exfat and needed fat32
Click to expand...
Click to collapse
djq said:
the SanDisk Ultra 64 GB MicroSDXC Class 10 works great never given me any problems
Click to expand...
Click to collapse
What issues are you referring to, testinguser? I'm using the same card mentioned above in my SIII with no issues.....

http://www.phonearena.com/news/SanDisk-says-it-produced-some-bad-32GB-and-64GB-microSD-cards_id40986

KryptosXLayer2 said:
What issues are you referring to, testinguser? I'm using the same card mentioned above in my SIII with no issues.....
Click to expand...
Click to collapse
my 32gb sandisk was effed in my s3, mounted and unmounted every minute, could take a battery from 100 ~ 30 in an hour with screen off in your pocket.. replaced it with a new one and has worked fine since, there's a visual difference of the memory array on the card, so i think there's a upgraded hw version of the sandisk microsd cards. got my bad one from bestbuy last black Friday
Sent from my GT-I9300 using xda app-developers app

Huh.... strange, I bought mine during Black Friday too, not from BBY though, and hasn't caused any problems! But that's what "a bad batch" means, I wasn't in that batch, thankfully

thats good news!! i have not had a bad card either

testinguser said:
Just wondering which 64gb microsdxc cards are you guys looking to use with your new s4? WIth al the issues with the sandisk 64, wondering if it's worth paying the little extra for samsung 64gb pro UHS1 (does the s4 support that speed?) Anyone know?
Also are you guys planning to use exfat? I hear some of the roms w/the old s3 had issues with exfat and needed fat32
Click to expand...
Click to collapse
I went with SanDisk because I've had the fewest problems with that brand compared to say Sony or PNY. I tried using the card as exFAT and ran into problems. Furthermore, it's incompatible with CWM (due to the Microsoft patent, they can't include support), so I used guiformat to reformat it FAT32, and now it runs smoothly and is visible to CWM. Having so much room at hand is quite liberating.

For what it's worth, the 64GB Samsung Extreme Pro card is $49.99 at your local Frys (if you have one nearby) until 5/23.
http://images.frys.com/art/facebook/newspaperads/051713a_preview/P1_FRI_051713.html
If not, Amazon recently dropped their pricing to $52.98 shipped.
http://www.amazon.com/Samsung-Electronics-microSDXC-MB-MGCGB-AM/dp/B009SK57ZQ

djq said:
the SanDisk Ultra 64 GB MicroSDXC Class 10 works great never given me any problems
Click to expand...
Click to collapse
Picked that up at Radio Shack for $43 before Christmas. Formatted it to fat32 for my Note 2 and popped it in the S4 with no issues.
When I buy another one it'll be SanDisk or Samsung.
Sent from my SPH-L720 using Tapatalk 2

How much expandable storage is there?

I have a Samsung EVO 256 GB Micro SD. Will it work? Different sources tell me different things, the huawei website says only up to 128 gb, but maybe someone has found that 256 gb works for a certain rom?
Also, not sure if it matters, but I am in the USA and would be purchasing from Bestbuy.

only 128gb
unholydoragon said:
I have a Samsung EVO 256 GB Micro SD. Will it work? Different sources tell me different things, the huawei website says only up to 128 gb, but maybe someone has found that 256 gb works for a certain rom?
Also, not sure if it matters, but I am in the USA and would be purchasing from Bestbuy.
Click to expand...
Click to collapse
256gb won't work in that phone, it supports only 128gb

It should
Gsmareana says otherwise and so do some reviews. The honor 8 should support it considering it uses the same filing system.

I've seen reports of people using 256GB working, but was told going 256GB could hurt the card's longevity.

Is this from mine, but I have a US model.. Don't know if it makes a difference.
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nieves53 said:
Is this from mine, but I have a US model.. Don't know if it makes a difference.
View attachment 3929271
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I dont't think if there is any difference in this case.

nieves53 said:
Is this from mine, but I have a US model.. Don't know if it makes a difference.
View attachment 3929271
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So 256 GB is working without any workaround ?

Why would someone want a 256gb card?
Movies - screen too small
Uncompressed music - dac not good enough
RAW shooting - 128gb is more than enough
4K shooting - not available
Also 256gb card isn't affected in its longevity.

I got it for free from Samsung. 32 gb isn't enough for me, and it'd be nice if I don't have to go out and buy another one.
Anyone have any thoughts on why Huawei lists it as 128gb limit for expandable storage?
zinko_pt said:
Why would someone want a 256gb card?
Movies - screen too small
Uncompressed music - dac not good enough
RAW shooting - 128gb is more than enough
4K shooting - not available
Also 256gb card isn't affected in its longevity.
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unholydoragon said:
I got it for free from Samsung. 32 gb isn't enough for me, and it'd be nice if I don't have to go out and buy another one.
Anyone have any thoughts on why Huawei lists it as 128gb limit for expandable storage?
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If I had had any 256Gb card around me I would try it for you but unfortunatelly I hadn't. I see there are different oppinions about this case but nothing certain.
If this is the only thing keeping back you from this phone than I can't help but since it is not such a big deal to buy a 64-128GB on ebay/aliexpress (and even you can sell yours) and I would buy the phone.
(I think it would work but I wasn't the guy giving the specifications at Honor).

zinko_pt said:
Why would someone want a 256gb card?
Movies - screen too small
Uncompressed music - dac not good enough
RAW shooting - 128gb is more than enough
4K shooting - not available
Also 256gb card isn't affected in its longevity.
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You don't know how many files other people keep. If I had that much space in SD, I would've used 200 of it.

adriansticoid said:
You don't know how many files other people keep. If I had that much space in SD, I would've used 200 of it.
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True. But it has to be an exception. Regular Joe doesn't need that much. Even an enthusiast user.
For the card just format extFAT in the PC and put it in the phone. It won't break anything. The worst it might happen is the sdcard not being recognized.

unholydoragon said:
I got it for free from Samsung. 32 gb isn't enough for me, and it'd be nice if I don't have to go out and buy another one.
Anyone have any thoughts on why Huawei lists it as 128gb limit for expandable storage?
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In an other thrad there is a user who has a 256Gb card in his phone. So it seem to be working but I would highly recommend asking him in PM which version of the phone he is using. Link

256GB should work, if it's anything like other phones with 128GB limit. As far as I'm aware, manufacturers only normally test and approve up until 128GB, but it will most likely work.
On another note, I wish the 64GB version was available in Europe!

dmooney7291 said:
256GB should work, if it's anything like other phones with 128GB limit. As far as I'm aware, manufacturers only normally test and approve up until 128GB, but it will most likely work.
On another note, I wish the 64GB version was available in Europe!
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So why did they put a 128GB limit if 256 will work just fine?
Sent from my honor 5X using XDA Labs

How long have the 256GB cards been available in the micro form factor now? (It doesn't seem like it was that long ago that the biggest was 200GB...for some reason?) I'd guess either 256GB cards weren't available or Honor just didn't put some through the validation process. They still come at quite a price premium over 128GB cards, so that was almost certainly worse a year ago.

I'm using the 256 gb card and it is working fine

dmooney7291 said:
256GB should work, if it's anything like other phones with 128GB limit. As far as I'm aware, manufacturers only normally test and approve up until 128GB, but it will most likely work.
On another note, I wish the 64GB version was available in Europe!
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The 64gig is available in Europe. Its called honor 8 premium and comes only in gold. (FRD-L19). I paid about 25-30€ more for the premium version in Hungary.
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