USB 3.0 flash drive performance

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  1. Ztruker's Avatar
    Posts : 13,703
    Windows 10 Pro X64 21H1 19043.1266
       #1

    USB 3.0 flash drive performance


    What is a good USB 3.0 flash driver performance (read/write speed)? I just picked up a pack of 5 USB 3.0 Kexin (no-name) flash drives, and I'm very unhappy with them. They seem extremely slow, not much, if any, better that a USB 2.0 drive. At less than $5 a piece, the price was very good, but performance not so much.

    USB 3.0 flash drive performance-image.png

    CrystalDiskMark gave me these numbers but I don't know it they are good or bad.

    USB 3.0 flash drive performance-image.png

    I'm about to return them to Amazon and buy a couple (2 or 3) more expensive Sandisk drives that are supposed to have better speeds.

    What do ya'll think? What kind of speeds do you get with your 3.0 flash drives?
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  2. thomaseg1's Avatar
    Posts : 13,266
    Windows 10 Pro (x64) 20H2 19042.804 & 21327.1000
       #2

    I didn't have any 3.0's to test but here's a 2.0 sandisk .

    USB 3.0 flash drive performance-image.png
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  3. Ghot's Avatar
    Posts : 13,957
    Win 10 Home 10.0.19044.1387 (x64) [21H2]
       #3

    @Ztruker


    Here's a very old Corsair Voyager GT USB 3.0 (Red) plugged into the x570 motherboard directly.







    And for comparison sake, here's a WD Black 1TB 7200rpm HDD.





    And here's a brand new Samsung 860 EVO 500GB (2.5")

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  4. Ztruker's Avatar
    Posts : 13,703
    Windows 10 Pro X64 21H1 19043.1266
    Thread Starter
       #4

    So my brand new USB 3.0 drives really do suck! I will return to Amazon and get better ones.
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  5. Ghot's Avatar
    Posts : 13,957
    Win 10 Home 10.0.19044.1387 (x64) [21H2]
       #5

    Ztruker said:
    So my brand new USB 3.0 drives really do suck! I will return to Amazon and get better ones.


    That would be my take from this. That Corsair Voyager I have is like 8-10 years old.

    /e This USB stick was one of the very 1st USB 3.0, IIRC. According to the specs, they are MUCH faster now.


    For example...

    Corsair 256GB Voyager GTX USB 3.0 Flash Drive, Speed Up to 450MB/s (CMFVYGTX3B-256GB) - Newegg.com
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  6. thomaseg1's Avatar
    Posts : 13,266
    Windows 10 Pro (x64) 20H2 19042.804 & 21327.1000
       #6

    USB 3.0 flash drive performance-image.png

    old one

    USB 3.0 flash drive performance-image.png
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  7. Ghot's Avatar
    Posts : 13,957
    Win 10 Home 10.0.19044.1387 (x64) [21H2]
       #7

    Quick reviews check... this seems to be the fastest one out there at the moment...

    CORSAIR 128GB Voyager GTX USB 3.1 Premium Flash Drive (CMFVYGTX3C-128GB) - Newegg.com



    /e It's USB 3.1

    Read Speed
    ATTO: 460 MB/s
    CDM: 430 MB/s

    Write Speed
    ATTO: 460 MB/s
    CDM: 390 MB/s
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  8. OldMike65's Avatar
    Posts : 115,311
    Windows 11 Pro (x64) 21H2 Build 22000.348
       #8

    Here is a old Patriot 16GB stick ...I've had for a couple years. 3.0

    USB 3.0 flash drive performance-patriot.png
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  9. Ztruker's Avatar
    Posts : 13,703
    Windows 10 Pro X64 21H1 19043.1266
    Thread Starter
       #9

    I ordered 3 of these:

    SanDisk Ultra Flair 32GB USB 3.0 Flash Drive - SDCZ73-032G-G46,Silver
    Price: $7.99 Prime & FREE Returns

    USB 3.0 flash drive performance-sanusb.jpg


    • High speed USB 3.0 performance of up to 150MB/s
    • Transfer a full length movie in less than 30 seconds
    • Transfer to drive up to 15 times faster than standard USB 2.0 drives
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  10. ignatzatsonic's Avatar
    Posts : 2,487
    Windows 10 Home, 64-bit
       #10

    They do vary a lot, much more than ordinary disk drives. Off-brand cheapo stuff can be horrendous, as you found.

    I investigated pretty thoroughly 5 years ago and found a 4-fold to 10-plus-fold difference (depending on the specific test) between a Kingston Data Traveler 3.0 and a Sandisk Extreme 3.0.

    At that time the Extreme was among the fastest name brand flash drives. I haven't checked lately.

    Pic below from my own testing at that time:


    USB 3.0 flash drive performance-untitled-1.jpg
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