Database Develop

Lexar/Patriot 32GB microSDHC card

Hi,
Has anyone tried either the Lexar or Patriot 32GB microSDHC card with their Droid/Milestones?
Any issues at all?
Thanks!

Any information at all would be appreciated.
I haven't been able to find any information by searching forums.
I am running Cyanogen 6, 2.2.1, so I should be able to format the 32GB card. I'm just concerned with compatibility issues with the original Droid 1 and the Milestone.
Anyone?
Thanks!

this would be interesting for me too. im searching a 32 gb card which is workin!

yeah, would love to hear something about 32gb goodness too ^^

Yeah I'm surprised that we aren't getting more feedback with this topic.
I've found threads with 32GB cards with EVOs and Droid Xs, but, that's about it.
I think it helps if you manage to get it formatted properly, either on a desktop computer or on your device (if it supports it).
I'm tempted by the Patriot 32GB Class 10, but, some of the people on Newegg seemed to have some issues with it on a their Droid Xs.

Im using a 32gb class 10 lexar microsd in my milestone, so far its working great and have had no problems

lebkom said:
Im using a 32gb class 10 lexar microsd in my milestone, so far its working great and have had no problems
Click to expand...
Click to collapse
Thanks for the feedback!
Do you experience any subjective speed increases with the new card?
Have you run any SD Card speed tests with the card? If not, would you mind doing so and reporting back?
Just wondering if the Milestone will benefit from a class 10 card (or any card greater than class 2).
Thanks again!

i got 8.8MB/s write speed and 12.7MB/s read using antutu system review btw im also using apps2ext and cm7. I dont know by using apps2ext if the benchmark is effected. I was using a 16gb class 2 Kingston card before this and generally haven't noticed much of a speed difference but I mainly use the card for music
Edit: SD tools gets 10.6MB/s writing speed and 14.4MB/s reading speed

lebkom said:
i got 8.8MB/s write speed and 12.7MB/s read using antutu system review btw im also using apps2ext and cm7. I dont know by using apps2ext if the benchmark is effected. I was using a 16gb class 2 Kingston card before this and generally haven't noticed much of a speed difference but I mainly use the card for music
Edit: SD tools gets 10.6MB/s writing speed and 14.4MB/s reading speed
Click to expand...
Click to collapse
Hi,
Thanks for sharing your results. Those performance speeds are quite attractive!
I'm surprised that you you don't feel any subjective speed increases though. I would have thought that when accessing applications stored on your SD card, or when you initially remount your SD card and have to search through media using Gallery, that the difference would have been significant.
Although it is possible that our phones doesn't support much more than Class 2 speeds.
But, at least we know that the Lexar card is compatible with the Droid/Milestone!
Thanks very much for the information!

knowthenazz said:
Although it is possible that our phones doesn't support much more than Class 2 speeds.
Click to expand...
Click to collapse
Class 2 is (roughly speaking) 2MB/s writing speed. Imagine you want to copy a lot of mp3's or a movie (or use it as USB dongle) with 2MB/s. unusable.

MuF123 said:
Class 2 is (roughly speaking) 2MB/s writing speed. Imagine you want to copy a lot of mp3's or a movie (or use it as USB dongle) with 2MB/s. unusable.
Click to expand...
Click to collapse
Oh sure, I understand that a faster card will make file transfers with my desktop much faster. I guess I was hoping to get more of a performance boost from my phone (ie. Apps2SD) with a faster card.
I'm not sure I'd call 2MB/S unusable for desktop file transfers. But, then again I don't change the music on my phone more than once a month. I can see it being more troublesome if you changed it more regularly. And hey, more speed is always good

Something else to consider - I have an 8GB class 2 card.
Loading angry birds seasons from my SD card = 15 seconds
Loading from internal memory = 9 seconds

Twist3 said:
Something else to consider - I have an 8GB class 2 card.
Loading angry birds seasons from my SD card = 15 seconds
Loading from internal memory = 9 seconds
Click to expand...
Click to collapse
Yes, that's a great point. I just don't know if the Droid/Milestone can take advantage of a microSDHC card with a higher transfer rate than Class 2.
Have you tried a faster card with your phone?
Does anyone have any comparison numbers with faster cards and application loading using Apps2SD?
Thanks!

Patriot LX 32GB Class 10 benchmarked with SD Tools v1.3
(HTC Desire HD + Android v2.2)

XA-R01 said:
Patriot LX 32GB Class 10 benchmarked with SD Tools v1.3
(HTC Desire HD + Android v2.2)
Click to expand...
Click to collapse
Wow, impressive numbers. I wish the Droid/Milestone had half that performance
Is anyone using the Patriot 32GB with a Droid/Milestone?

With the Milestone SD card which came with the phone (I think this is a UK retail version) "OEM SD SU08G", I got these results:
3.8 / 14.8 MB/s
I added this simply to have something to compare with.
Will edit this image of the results in later: thumbnails37.imagebam.com/12224/fae506122237685.jpg

Shrikey said:
With the Milestone SD card which came with the phone (I think this is a UK retail version) "OEM SD SU08G", I got these results:
3.8 / 14.8 MB/s
I added this simply to have something to compare with.
Will edit this image of the results in later: thumbnails37.imagebam.com/12224/fae506122237685.jpg
Click to expand...
Click to collapse
Thanks for sharing.
I get similar results from my no-name stock 16GB card.

I'm using the Patriot 32GB microSDHC class 10, so far it works well in my milestone.
Below is the screenshot by SD tool.
A comment:
Using this kind of sdhc which is c10, try not move the files too much once a time from pc to ms, or it might caused reboot or something else.

bb2260 said:
I'm using the Patriot 32GB microSDHC class 10, so far it works well in my milestone.
Below is the screenshot by SD tool.
A comment:
Using this kind of sdhc which is c10, try not move the files too much once a time from pc to ms, or it might caused reboot or something else.
Click to expand...
Click to collapse
Hi,
Thanks for sharing your results!
You're the first person I've heard of who is using this combination. Your speed test results are very impressive.
May I ask you to clarify your comment regarding reboots? Do you mean that if you move large files, or a large quantity of files from your PC to your Milestone, that you have been experiencing reboots? What other issues have you been experiencing?
Have you noticed any kind of speed increase?
Thanks!

knowthenazz said:
Hi,
Thanks for sharing your results!
You're the first person I've heard of who is using this combination. Your speed test results are very impressive.
May I ask you to clarify your comment regarding reboots? Do you mean that if you move large files, or a large quantity of files from your PC to your Milestone, that you have been experiencing reboots? What other issues have you been experiencing?
Have you noticed any kind of speed increase?
Thanks!
Click to expand...
Click to collapse
In my place, there are many persons who are using this sdhc, so don't worry MS can support it.
In our experenice from our fourm, some MS work great and nothing happened.
But, some MS including my MS have the problem about reboot, app exit when you are using it, if you move a large quantity of files once a time from PC to MS.
There is also a problem from my experenice, not for all others.
My MS could not identify the SD card, or need to format the Sd card.
In this situation, the SD card repairation by some sd format app could be settle the problem, and then the card is back. The information of the repairation shows that there are some unknow link, bad sector, or error link. When I look further, I find the files that often appear above three error message are in the below folders /sdcard/LOST.DIR and /sdcard/LazyList. Thus I think these are the reason why the problem happens.
There is an interesting thing. I have fat and ext partitions in my card, but the partition of ext never has any problems. Last month, I format the fat32 by 64K formation, and it works well so far. (someone prefers 32K)
The speed increase. Yes, but not so significantly. I feel the system is more smooth. The delay when open the app is also less, but you know the speed also involve the size of memory. So, it's haven't extreme different.

Question about bootable SD.

Hey folks, I used Generic Nook-2GB-SDCard-CW3010-VGCM7InstallerAsALTinMultiBoot-v6.zip to load CM7..but I was wondering if I can load other SD bootable ROMs with this? I would like to try others if I can. The reason is Im having issue with CM7 being finiky on my NC, like lag opening, not being able to open Market. Any suggestions to these issues too? Thanks, really appreciate the help.

You would need to wipe the SDcard before you can try other ROMs.
Also mainly not the ROM causing the lag and unresponsive but rather the SDcard class/manufacture. What kind of SDcard are you using?

it is a PNY 4G class 4...i saw that the class 2 are much better.

jrvjr said:
it is a PNY 4G class 4...i saw that the class 2 are much better.
Click to expand...
Click to collapse
It isn't that class 2 is better than 4. Normally the opposite is suppose to be true.
The issue is the class ratings just tell you the sequential write speed of the drive. Which is nice for copying data to the drive, but isn't helpful in determining if the drive is good enough to run an OS off of.
As this thread shows...
http://forum.xda-developers.com/showthread.php?t=1005633
The 4K write speed is really important if you are running a ROM from the SD card. And Sandisk does a LOT better at this than other SD cards.
So in this case a Sandisk C2 would likely be better than a PNY C4.

Ravynmagi said:
It isn't that class 2 is better than 4. Normally the opposite is suppose to be true.
The issue is the class ratings just tell you the sequential write speed of the drive. Which is nice for copying data to the drive, but isn't helpful in determining if the drive is good enough to run an OS off of.
As this thread shows...
http://forum.xda-developers.com/showthread.php?t=1005633
The 4K write speed is really important if you are running a ROM from the SD card. And Sandisk does a LOT better at this than other SD cards.
So in this case a Sandisk C2 would likely be better than a PNY C4.
Click to expand...
Click to collapse
I agree with Ravynmagi - I am running CyanogenMod on my NC using a Sandisk C2, and it is very responsive. I have found others to be not quite as good.

SD card speed?

i upgraded to a new SD card and run antutu to see how fast it is but to my surprise this new class 10 card is not faster than my old class 2 card.
so is there like a hardware limit or why could that be?
both cards have about
6mb/s write and
15mb/s read.
anyone got some better results with a class 10 card?
Sent from my Optimus 2X using XDA App

Some brands are faster than others even if they are from a lower class.
For example, my Sandisk class 2 is faster than a Kingston class 4.
Which brand is your card???
Cheers!

el_charlie said:
Some brands are faster than others even if they are from a lower class.
For example, my Sandisk class 2 is faster than a Kingston class 4.
Which brand is your card???
Cheers!
Click to expand...
Click to collapse
its a kingston class 10 vs sandisk class 2.
with a class 4 vs 2 i could underatand it but this is supposed to be a class 10 which should have about 10mb/s write speed according to wikipedia. that would almost be double the speed that i get...
Sent from my Optimus 2X using XDA App

Hi, with my 16GB Class 10 card I get these speeds;
Write 12.3 MB/s
Read 16.9 MB/s
My card is a no brand card I bought from eBay in March for £16.
http://www.ebay.co.uk/itm/16GB-CLAS...AsAccessories_MemoryCards&hash=item1c1f50b680
Anil

I have a Samsung Plus 16GB Class 10 and get:
According to SD Tools: 12.4MB/s write and 17.2 MB/s read.
According to AnTuTu: 11.3 MB/s write and 14.7 MB/s read.

16GB Sandisk Class 10 (Antutu 2.3.1, 2nd run.)
10.4 MB/s Read
10.0 MB/s Write
The card has 12.4 GB on it of real data before testing.
This is on GR3, which I don't think has any "SD-Card optimization". (Too lazy to check.)
Keep in mind that we don't know, at least I don't, how Antutu tests. If it's testing with a lot of independent reads/writes, the speed will invariably go down. (If copying a single large file from my computer, I get a much higher throughput.)
"Class 10" should only mean that your card is able to sustain 10MB/s of continuous writes, it doesn't say anything about access times/block erase speed (which can influence any benchmark.)

Hi TrymHansen, there is a free app called SD Tools which does nothing but test SD card speeds.
Edit:
FOR ANYBODY ELSE READING THIS THREAD:
The class rating of a card indicates the minimum speed the card will write at. Class 10 = 10 MB/s write speed. Read speeds are usually higher than write speeds.
Anil

Excuse me for being dense, but I don't get the point of your post. I explained in my post what Class 10 means, and then you post as if I asked what class 10 means.

TrymHansen said:
Excuse me for being dense, but I don't get the point of your post. I explained in my post what Class 10 means, and then you post as if I asked what class 10 means.
Click to expand...
Click to collapse
My post wasn't only for you. The first part about SD Tools pertains to you. And anyway your post is incorrect, the Class rating indicates the MINIMUM speed the card will write at. Which isn't the same as a sustained speed.
Anil

aksolanki said:
My post wasn't only for you. The first part about SD Tools pertains to you. And anyway your post is incorrect, the Class rating indicates the MINIMUM speed the card will write at. Which isn't the same as a sustained speed.
Anil
Click to expand...
Click to collapse
So even though Rusty already has measured his card with SD Tools:
Rusty! said:
I have a Samsung Plus 16GB Class 10 and get:
According to SD Tools: 12.4MB/s write and 17.2 MB/s read.
According to AnTuTu: 11.3 MB/s write and 14.7 MB/s read.
Click to expand...
Click to collapse
... you somehow assume I cannot possibly have read that, and strongly feel I should be singled out for a recommendation of an app EVERYBODY on XDA knows about. For that dedication I thank you.
My post is not incorrect. I'm saying exactly the same thing you did in the post following mine using different wording.
Anyway, I'm not about to start a flamewar with you. Thanks for the input, now lets go do something constructive.

TrymHansen said:
So even though Rusty already has measured his card with SD Tools:
... you somehow assume I cannot possibly have read that, and strongly feel I should be singled out for a recommendation of an app EVERYBODY on XDA knows about. For that dedication I thank you.
My post is not incorrect. I'm saying exactly the same thing you did in the post following mine using different wording.
Anyway, I'm not about to start a flamewar with you. Thanks for the input, now lets go do something constructive.
Click to expand...
Click to collapse
Hi TryHansen, I'm not sure why you are taking this personally. But I offer my apologies if I offended you.
Anil

thanks a lot for your feedbacks. so i will return this ****ty card, if it has only half of the specified speed i guess i have something to complain about....
Sent from my Optimus 2X using XDA App

grognaz said:
thanks a lot for your feedbacks. so i will return this ****ty card, if it has only half of the specified speed i guess i have something to complain about....
Sent from my Optimus 2X using XDA App
Click to expand...
Click to collapse
Hi grognaz, from your stated speeds it would seem you have a class 6 SD card. My card has no brand on it but it reads and writes at the speeds stated by the eBay seller.
Good luck. Anil

grognaz said:
thanks a lot for your feedbacks. so i will return this ****ty card, if it has only half of the specified speed i guess i have something to complain about....
Sent from my Optimus 2X using XDA App
Click to expand...
Click to collapse
I can confirm the quality of Kingston SD cards. My 16GB "Class 10" gets the following in SD Tools:
Writing Speed: 7.2MM/s
Reading Speed 13.5MB/s
It's good enough for me as I was considering just getting a Class 6 as I don't exactly do much HD video recording, but if you need the speed - avoid this card!

I am using Sandisk 32gb class 4 card.
Antutu Benchmark
SD card write: 5.6 MB/S
SD card read: 8.9 MB/s

Your SD Cache size matters when u perform SD Speed test in your phone. If you are using CM7 ROM, the default is a mere 128kb cache.
Cache size of SD can be from 128kb to 4096kb and different sd cards will perform better/worst with different cache sizes.
Just thought it would be a good info to share.

why is it that im getting two diff figures when i test my card with antutu and sd tools?
sd tools - read 33MBs
write 6.1MBs
antutu read 10MBs
write 2.6MBs
something doesnt add up
sd read is 2046 default on miui rom
my card is a ridata 8gb class 10
which figure could be correct?

temasek said:
Your SD Cache size matters when u perform SD Speed test in your phone. If you are using CM7 ROM, the default is a mere 128kb cache.
Cache size of SD can be from 128kb to 4096kb and different sd cards will perform better/worst with different cache sizes.
Just thought it would be a good info to share.
Click to expand...
Click to collapse
This is sort of true, but if it was a mere cache it would always be a good idea to set it as large as you can afford RAM-wize. This is not the case.
It is a read-ahead cache. In short that means that whenever a read is requested, it first checks the cache to see if the data is already there, if not it reads the amount of bytes specified no matter what.
Increasing the read-ahead cache will help when reading large files, since it leads to fewer (actual) io-commands being executed.
However, if you're reading a lot of small files it will hurt performance, since for every read issued it will read a lot of unnecessary data before it can go on to the next request.
(I also think this is at a block-level, which means that it merely reads the next blocks, not knowing if they actually belong to the file you're reading at the moment, but not sure about that.)

Hey guys..
Just format your sd cards to 32KB. This i did to my Optimus Black and saw big difference

yannisb99 said:
Hey guys..
Just format your sd cards to 32KB. This i did to my Optimus Black and saw big difference
Click to expand...
Click to collapse
If use 8G↓ , then set cluster to 32K.
If use 16G↑, then set cluster to 64K.
Test it!

Class 10 Micro SD Card

anyone using class 10 cards on their salsa?
does it help with performance?
any significant increase in speed?

#1. Class 10 SD card means the card is capable of transfering 10mb of data per second.
#2. Will it has noticable performance increase? Well, it depends on which divice you are using it with.
Talking about salsa, I think it wont be able to achieve a noticable difference in perfromance as compared to class 6 SD cards. Reason being, Salsa's overall configuration is not one of the highest. Being said that, it may not have high transfer rate while working with SD cards.
Salsa devs can add more info on transfer rate of salsa.
Check the SD standards official website to learn more about SD cards. Here is the link
https://www.sdcard.org/developers/faq/

monty80 said:
#1. Class 10 SD card means the card is capable of transfering 10mb of data per second.
#2. Will it has noticable performance increase? Well, it depends on which divice you are using it with.
Talking about salsa, I think it wont be able to achieve a noticable difference in perfromance as compared to class 6 SD cards. Reason being, Salsa's overall configuration is not one of the highest. Being said that, it may not have high transfer rate while working with SD cards.
Salsa devs can add more info on transfer rate of salsa.
Check the SD standards official website to learn more about SD cards. Here is the link
https://www.sdcard.org/developers/faq/
Click to expand...
Click to collapse
Thanks for the information

Yep
It works... I got a 16GB Class 10 card. Much faster than other cards around. Even class 6 is good enough.

I don't think so, the speed of the divice will depend on the slowest process. It will only give higher speeds when using in usb storage.

kushagrajain said:
I don't think so, the speed of the divice will depend on the slowest process. It will only give higher speeds when using in usb storage.
Click to expand...
Click to collapse
not in this case, ive used several s cards of various speeds and classes, and each have there differences, hence why when we use them in this phone for a specific reason...a set on is best. ie class 6 or above for usage with ext3. and it does work

Partitioning

Hi all, I have a couple of questions before I get my new sd-card.
1. I got my eyes on the SanDisk Ultra UHS-1 8gb class 10 sdcard with a write speed of 30mb/s(advertised). I was just wondering if there would be a noticeable speed difference (i.e. App loading time) if I partitioned that sdcard, as compared to my current class 4 Kingston sdcard.
2. Also, I've read from many forums that some devices don't see noticeable increase in speed from class 6 onwards... Is that true for our device too? (SGM)
3. Is ext4 partition better or ext3 partition better?
Sent from my GT-S5570 using xda app-developers app

Hi, any help? It's been here for a few days already and I really want to know some details before I get my new SDcard so that I won't be disappointed or regret anything.

tietganFTW said:
Hi all, I have a couple of questions before I get my new sd-card.
1. I got my eyes on the SanDisk Ultra UHS-1 8gb class 10 sdcard with a write speed of 30mb/s(advertised). I was just wondering if there would be a noticeable speed difference (i.e. App loading time) if I partitioned that sdcard, as compared to my current class 4 Kingston sdcard.
2. Also, I've read from many forums that some devices don't see noticeable increase in speed from class 6 onwards... Is that true for our device too? (SGM)
3. Is ext4 partition better or ext3 partition better?
Sent from my GT-S5570 using xda app-developers app
Click to expand...
Click to collapse
1. Well u surely won't get the advertised mb/s, but it will be a reasonably fast speed, as speed depends on your cable too (for trasnfer). I'm not sure, but yes u will notice that apps load faster (im basing this on what michie said in the swapping section of the performance thread, so its probably the same for loading from external partition)
2. Yes probably little difference between a class 6, 8 and 10. Maybe because most devices can't read beyond a certain speed or even if they do, that threshold speed is enough and lies in the range of class 6 upwards.
3. I don't really know, but i would suggest ext 4 as i see it recommended in many app to sd apps. Someone could clarify this.

kirakun said:
1. Well u surely won't get the advertised mb/s, but it will be a reasonably fast speed, as speed depends on your cable too (for trasnfer). I'm not sure, but yes u will notice that apps load faster (im basing this on what michie said in the swapping section of the performance thread, so its probably the same for loading from external partition)
2. Yes probably little difference between a class 6, 8 and 10. Maybe because most devices can't read beyond a certain speed or even if they do, that threshold speed is enough and lies in the range of class 6 upwards.
3. I don't really know, but i would suggest ext 4 as i see it recommended in many app to sd apps. Someone could clarify this.
Click to expand...
Click to collapse
Alright, I don't really care about what michie said (no offence), i just want to know if it really works as michie said (personal experiences). I don't wanna buy a new sdcard, just to realise there's not much difference...

tietganFTW said:
Alright, I don't really care about what michie said (no offence), i just want to know if it really works as michie said (personal experiences). I don't wanna buy a new sdcard, just to realise there's not much difference...
Click to expand...
Click to collapse
I don't guarantee anything though Just hope it does the trick!

Try Sd tools free on playstore to test your sd speed write/read before partition
(I try Speed Write true normal like sd class : 10Mb/s (class 10)
and test again after partition.
(I Test it & The Result Sd speed write reduce to 8Mb/s after partition but sd read Increase, test on my sd class 10)
If you want to boost more speed you can try free app called sd booster on playstore.
Good app to gain more speed.
Give a try...
Sent from my GT-S5570 using xda app-developers app

Jeffrianz said:
Try Sd tools free on playstore to test your sd speed write/read before partition
(I try Speed Write true normal like sd class : 10Mb/s (class 10)
and test again after partition.
(I Test it & The Result Sd speed write reduce to 8Mb/s after partition but sd read Increase, test on my sd class 10)
Click to expand...
Click to collapse
So buying a class10 sdcard does help increase the apploading speed in a2sd?

Maybe yes maybe no? some sd different so you must try in my case. yes the speed reduce.
From 10 to 8Mb/s
but Read Speed Increase from 23Mb/s to 28Mb/s
if I use sd booster and set it on 6Mb. my sd write reduce to 6.8 mb but Read speed increase to 32,1 Mb/s
and I got more speed read to gain more smooth performance to play game and more.
also speed up booting on your phone.
but decrease performace make a file like recording and take a photo.
but speed app is awesome.
Sent from my GT-S5570 using xda app-developers app

Jeffrianz said:
Maybe yes maybe no? some sd different so you must try in my case. yes the speed reduce.
From 10 to 8Mb/s
but Read Speed Increase from 23Mb/s to 28Mb/s
if I use sd booster and set it on 6Mb. my sd write reduce to 6.8 mb but Read speed increase to 32,1 Mb/s
and I got more speed read to gain more smooth performance to play game and more.
also speed up booting on your phone.
but decrease performace make a file like recording and take a photo.
but speed app is awesome.
Sent from my GT-S5570 using xda app-developers app
Click to expand...
Click to collapse
You didn't get my point. I'm talking about app-reading speeds in app2sd in an ext4 partition. As in app-loading time. Would it decrease?

Yes off course Increase If you boost your memory... more speed you have but low write.
I'm use ext4 partition too as my Internal memory with Internal HACK memory and OC.
Take a look.
Iam using sd class 10 transcend 16GB.
and use ext partition as default memory and now all of my app in ext4.
app speed & booting is great after I use sd class 10 then my old sd card sandisk 4GB class 4.
Sent from my GT-S5570 using xda app-developers app

Jeffrianz said:
Yes off course Increase If you boost your memory... more speed you have but low write.
I'm use ext4 partition too as my Internal memory with Internal HACK memory and OC.
Take a look.
Iam using sd class 10 transcend 16GB.
and use ext partition as default memory and now all of my app in ext4.
app speed & booting is great after I use sd class 10 then my old sd card sandisk 4GB class 4.
Sent from my GT-S5570 using xda app-developers app
Click to expand...
Click to collapse
So the app-loading speed does increase huh... Alrighty then I'll consider getting a new one. Thanks much.