02-06-2017 02:05 PM
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  1. Luis Miguel Batista's Avatar
    It seems that the S7 dont have the extra pin rows to read UHS-II so even if you use a card with that specs, you will not take the full speed potential that you buy.

    I´ve been recording some 4K videos and it seems to have a bitrate of about 6 MB/s, just don't know if it a fixed or variable bitrate during the recording...
    So, why the need of top end cards with 60-70-80 MB/s of write?
    here is my old 2GB class 10 Kingston that WORK flawless recording small 4K videos. Also reading the video from the card is flawless with this small speed...

    Best Micro SD Card & Fastest for the Samsung Galaxy S7 Edge-screenshot_20160626-235215.jpg
    06-27-2016 05:25 AM
  2. J_A_Fauske's Avatar
    I have run AndroBench(left image) and A1 SD Bench(right image) on my Galaxy S7 Edge with a Samsung 128GB EVO Plus Micro SDXC card (MB-MC128DA/AM).
    Best Micro SD Card & Fastest for the Samsung Galaxy S7 Edge-screenshot_20160702-061338.jpg Best Micro SD Card & Fastest for the Samsung Galaxy S7 Edge-screenshot_20160702-070500.jpg

    I also ran CrystalDiskMark 5.1.2 on my desktop Windows 7 Pro with the EVO Plus Micro SDXC card in a Lexar USB 3.0 MicroSD Reader (LRWM03U-7000) in a USB 3.0 port.
    Best Micro SD Card & Fastest for the Samsung Galaxy S7 Edge-mb-mc128d-cdm_c.png

    It seems purchasing higher priced/speced cards would be a waste of resources.
    My EVO Plus 128GB cost about $45 at the local Best Buy.
    I hope this helps others in choosing wisely.
    07-02-2016 09:02 AM
  3. gmaister22's Avatar
    what you guys think about this one?

    Sandisk Ultra 128 GB which is 80MB read / 20M write - 63 euro

    Also, some people reported that their sd cards got fried, and they were all sandisk...anyone heard about that?
    08-09-2016 05:50 PM
  4. randun's Avatar
    Am getting my S7 Edge tomorrow. Any updated suggestions from those here? I see the last report was from last July. Thanks.
    09-22-2016 05:40 PM
  5. Rama Krishna Chinnam's Avatar
    My Video on Samsung Galaxy S7 Edge
    09-22-2016 09:26 PM
  6. qasdfdsaq's Avatar
    Best & Fastest Micro SD Card :
    if you know any with Faster speeds Please do post links
    Headline sequential R/W speeds are NOT what's important. A lot of Lexar devices have high sequential rates but abysmal 4K random read/write speeds. Also, some Lexar UHS-II devices seriously underperform in UHS-I readers, e.g. dropping from 60MB/sec to 20MB/sec despite the reader being capable of 100MB/sec.


    I would strongly recommend against the Lexar 1000x UHS-II 128GB card, as I've had repeated compatibility issues with this card and my SGS 7 (G930F, non-Edge).

    This is the one card I would recommend as it's half the price of the Lexar 1000x in UK high street stores, AND faster when used in the S7/S7E. Under heavy random loads, the Sandisk 80MB/sec card is three times faster than the Lexar 150MB/sec card.

    Does the S7 even support the standard for the cards in the "best" list?
    Nope. The S7 is a UHS-I only device.

    What's the minimum read/write speeds I should be looking at getting if I want it to handle 4K?
    6MB/sec. Which means any class 6, class 10 or UHS-1 card will do. The S7 records 4K at approximately 5.7MB/sec.

    I have the Patriot 256GB Supersonic Rage 2
    So you can Imagine how fast it will be to transfer from SD to my Flash Drive with OTG
    What, 10% of the speed you're paying for because phone is incapable of using more?

    But do we know how fast the card reader is in the phone. That was a issue with the Note3 in that the card reader in the phone limited access speed to the micro SD card when it was in the phone. I ran a benchmark on my 128GB card last night and only got about half it's rated speed for reads and writes.

    Posted via the Android Central App
    Approx 80MB/sec read. That's with raw access to the underlying device (requires root shell), actual speeds via filesystem are about 10% lower. Write was 40MB/sec max, but that was via FS as I didn't have a blank card to do raw tests on. The UHS-I standard that the phone uses theoretically does 104MB/sec but 70-80MB/sec is the maximum you'll ever get in practice.

    Thanks Vader, however in your test the speed is limited by the microUSB 2.0 interface on the S7 to 42 MB/s.
    Could you please test the Lexar 1800x microSD card in the S7 with the apps "A1 SD" and/or "Androbench" (for latter don't forget to select the correct test target, first) and report the numbers you'll get, here?
    It'll be basically the same as the Lexar 1000x or Sandisk Ultra 533x cards: around 70MB/s read, 40MB/s write. Write is pretty rubbish, but at least it's better than the S4 which is limited to 15MB/sec due to the non-UHS SD 2.00 bus.

    One more Test of the Lexar 1800x
    Woohoo, same speed as a Sandisk 533x. What did I tell ya...

    image shows it as 1 rating; it'll be super slow
    Wrong. My "1" rated card is as fast as the OP's Lexar 1800x. The rating simply means a minimum write speed of >10MB/sec, which is more than enough for 4K recording. Rating means nothing else in terms of performance.

    i read the same. That a standard old UHS/U1 card is enough, that S7/S7edge isn't going to take advantage of higher max speeds...?
    Correct

    The S7 can't even take advantage of UHS-I speeds, as it's a pretty crappy UHS-I reader.

    My understanding is that UHS-II is a different physical port and requires more pin connections than what is in the S7/S7e.
    Correct

    Ahh I understand now. I don't have a U3 card so unfortunately I can't test them.
    Means very little tbh. A U1 card can easily do more than U3 speeds (I have a card that doesn't even have a U1 rating, yet does 35MB/sec.) The rating is a minimum, in practice most cards can do 2-3x more than their rating.


    I´ve been recording some 4K videos and it seems to have a bitrate of about 6 MB/s, just don't know if it a fixed or variable bitrate during the recording...
    So, why the need of top end cards with 60-70-80 MB/s of write?
    Well because as I said earlier, sequential speeds are very little of what makes a card "good" or feel "fast". Practically the only thing you do on a phone that relies solely on sequential speed is video recording, everything else is non-sequential. And a card that does 150MB/sec sequential might only do 0.01MB/sec non-sequential (yeah, I have one, it's a piece of ****). People need to look beyond the maximum headline speeds, they're good for marketing, and not much else.

    what you guys think about this one?

    Sandisk Ultra 128 GB which is 80MB read / 20M write - 63 euro

    Also, some people reported that their sd cards got fried, and they were all sandisk...anyone heard about that?
    I'd recommend it, especially now it's 40 euros and does 40M write.

    Yes I've got SD cards that fried, I've fried a Sandisk card, I've fried a Kingston card, I've fried a Sony card, any card will fry eventually. You just hear more about Sandisk because they are common and more people have them.

    Am getting my S7 Edge tomorrow. Any updated suggestions from those here? I see the last report was from last July. Thanks.
    As above, my recommendation goes to the Sandisk Ultra 80MB/s 128GB
    SDSQUNC-128G-GN6MA

    https://www.amazon.com/SanDisk-micro...cUvbUpU5556418
    Buy SanDisk Ultra 80MBs MicroSD Memory Card - 128GB at Argos.co.uk - Your Online Shop for Memory cards, Memory cards and readers, Cameras and camcorders, Technology.

    But really, there's not a huge amount of difference between any of the UHS-I cards.
    11-10-2016 01:03 PM
  7. saurabh_abc1's Avatar
    Use the fastest UHS-I class3 card for best read/write performance. I bought a 128gb sandisk extreme plus card and it gives over 70 MB/s read and over 60 MB/s write speeds.

    11-27-2016 06:42 PM
  8. Tachead7075's Avatar
    Headline sequential R/W speeds are NOT what's important. A lot of Lexar devices have high sequential rates but abysmal 4K random read/write speeds. Also, some Lexar UHS-II devices seriously underperform in UHS-I readers, e.g. dropping from 60MB/sec to 20MB/sec despite the reader being capable of 100MB/sec.



    I would strongly recommend against the Lexar 1000x UHS-II 128GB card, as I've had repeated compatibility issues with this card and my SGS 7 (G930F, non-Edge).


    This is the one card I would recommend as it's half the price of the Lexar 1000x in UK high street stores, AND faster when used in the S7/S7E. Under heavy random loads, the Sandisk 80MB/sec card is three times faster than the Lexar 150MB/sec card.



    Nope. The S7 is a UHS-I only device.



    6MB/sec. Which means any class 6, class 10 or UHS-1 card will do. The S7 records 4K at approximately 5.7MB/sec.



    What, 10% of the speed you're paying for because phone is incapable of using more?


    Approx 80MB/sec read. That's with raw access to the underlying device (requires root shell), actual speeds via filesystem are about 10% lower. Write was 40MB/sec max, but that was via FS as I didn't have a blank card to do raw tests on. The UHS-I standard that the phone uses theoretically does 104MB/sec but 70-80MB/sec is the maximum you'll ever get in practice.


    It'll be basically the same as the Lexar 1000x or Sandisk Ultra 533x cards: around 70MB/s read, 40MB/s write. Write is pretty rubbish, but at least it's better than the S4 which is limited to 15MB/sec due to the non-UHS SD 2.00 bus.



    Woohoo, same speed as a Sandisk 533x. What did I tell ya...



    Wrong. My "1" rated card is as fast as the OP's Lexar 1800x. The rating simply means a minimum write speed of >10MB/sec, which is more than enough for 4K recording. Rating means nothing else in terms of performance.


    Correct

    The S7 can't even take advantage of UHS-I speeds, as it's a pretty crappy UHS-I reader.


    Correct



    Means very little tbh. A U1 card can easily do more than U3 speeds (I have a card that doesn't even have a U1 rating, yet does 35MB/sec.) The rating is a minimum, in practice most cards can do 2-3x more than their rating.




    Well because as I said earlier, sequential speeds are very little of what makes a card "good" or feel "fast". Practically the only thing you do on a phone that relies solely on sequential speed is video recording, everything else is non-sequential. And a card that does 150MB/sec sequential might only do 0.01MB/sec non-sequential (yeah, I have one, it's a piece of ****). People need to look beyond the maximum headline speeds, they're good for marketing, and not much else.



    I'd recommend it, especially now it's 40 euros and does 40M write.

    Yes I've got SD cards that fried, I've fried a Sandisk card, I've fried a Kingston card, I've fried a Sony card, any card will fry eventually. You just hear more about Sandisk because they are common and more people have them.



    As above, my recommendation goes to the Sandisk Ultra 80MB/s 128GB
    SDSQUNC-128G-GN6MA

    https://www.amazon.com/SanDisk-micro...cUvbUpU5607023
    Buy SanDisk Ultra 80MBs MicroSD Memory Card - 128GB at Argos.co.uk - Your Online Shop for Memory cards, Memory cards and readers, Cameras and camcorders, Technology.

    But really, there's not a huge amount of difference between any of the UHS-I cards.
    How does the Samsung Evo+ and Patriot LX series compare to the SanDisk Ultra Plus you are recommending? Thanks.
    12-14-2016 11:54 AM
  9. Timobkg's Avatar
    How does the Samsung Evo+ and Patriot LX series compare to the SanDisk Ultra Plus you are recommending? Thanks.
    The Samsung Evo Plus is faster than the SanDisk Ultra and Ultra Plus. The Ultra Plus in particular has poor random read speeds on Android.
    The Samsung Evo Plus is also faster than the Patriot LX, which also has slow random write speeds on Android.
    12-21-2016 06:44 PM
  10. Tachead7075's Avatar
    The Samsung Evo Plus is faster than the SanDisk Ultra and Ultra Plus. The Ultra Plus in particular has poor random read speeds on Android.
    The Samsung Evo Plus is also faster than the Patriot LX, which also has slow random write speeds on Android.
    Thanks. That's good because I decided to get a 128gb Evo Plus. I am running a 64gb Lexar right now but, need some more space and figured I would get something faster at the same time.
    12-21-2016 06:52 PM
  11. geraldem's Avatar
    Anyone try cards larger that 128? Looking to try 256?...any get that working?
    02-03-2017 08:15 AM
  12. sparksd's Avatar
    Anyone try cards larger that 128? Looking to try 256?...any get that working?
    http://forums.androidcentral.com/sam...d-card-s7.html
    02-03-2017 08:49 AM
  13. geraldem's Avatar
    DOH...sorry. thanks
    02-03-2017 08:50 PM
  14. ilordvader's Avatar
    I got this cos i feel better to get a Faster card
    Lexar® Professional 1800x microSDHC™/microSDXC™ UHS-II cards

    02-03-2017 11:24 PM
  15. mountainman's Avatar
    I got this one. Seems to work fine shooting 4K. Copied stuff to and from it. Fast enough for me.

    https://www.amazon.com/Samsung-Class...cUvbUpU5669460
    02-06-2017 02:05 PM
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