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AltraMayor/f3

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F3 - Fight Flash Fraud

14 mentions on Hacker News by 14 people: 2 stories, 12 comments · first 2019-03-02 · latest 2025-08-22

Mentions per year 14 mentions · busiest year 2023 (6)
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  1. ValiDrive is Windows-only and closed source. Does it have any advantages over https://github.com/AltraMayor/f3 ?
    comment by p1mrx · 2025-08-22 · in How Not to Buy a SSD
  2. …could have just bought one and run f3 [0] on it instead of FUD-ing about "suspicious"-ness [0] https://github.com/AltraMayor/f3/
    comment by dooglius · 2025-01-28 · in RadioShack Not Only Still Exists, It Sells Suspiciously Cheap SD Cards
  3. …take eight hours to write and verify, but it's well worth it. (if you can abide disputes/returns) https://github.com/AltraMayor/f3
    comment by jimbobthrowawy · 2023-12-25 · in 2TB microSD card is on the way early next year
  4. ▲ 2
    F3 – Fight Flash Fraud
    story by lagniappe · 2023-09-28 · 0 comments
  5. …play, one may wish to use a capacity tester in addition to hardware stats. Fight Flash Fraud (f3) https://github.com/AltraMayor/f3 One could setup a destructive wear-test, but results may not be generalized between lots with identical…
    comment by Joel_Mckay · 2023-04-01 · in SSD as Long Term Storage Testing
  6. I've been using F3 to test new SD cards: https://github.com/AltraMayor/f3 I think it does practically the same thing as your method.
    comment by zapu · 2023-03-14 · in Backblaze 2022 SSD Drive Stats
  7. ▲ 1
    F3 – Fight Flash Fraud
    story by luu · 2023-02-25 · 0 comments
  8. It looks like Module is always a power of 2. https://github.com/AltraMayor/f3/blob/master/f3probe.c#L497 https://github.com/AltraMayor/f3/blob/master/f3probe.c#L338 Module does not seem to be a physical characteristic of the storage…
    comment by vitus · 2023-02-16 · in Shrinkflation, SanDisk Style
  9. …This ensures the drive meets the rated capacity and doubles as a sequential read/write test. 1: https://github.com/AltraMayor/f3
    comment by MarioMan · 2022-12-12 · in Who invented the thumb drive?
  10. I believe f3 (Fight Flash Fraud) already does random numbers with a preset seed: https://github.com/AltraMayor/f3/blob/master/f3read.c#L144
    comment by ThatPlayer · 2022-08-28 · in 30TB Portable SSD Hits Walmart for $39 but Stay Away from It
  11. Fight Flash Fraud https://github.com/AltraMayor/f3
    comment by cmurf · 2020-12-27 · in Give your Mac imaginary unlimited storage thanks to Disk Utility’s bug
  12. I always use this tool https://github.com/AltraMayor/f3 It fills the entire device with data and then tries to read it all back. It can tell you how many bytes were successfully read, how many were corrupted and how many were written over…
    comment by Polylactic_acid · 2020-03-16 · in The case of the missing WAV audio files on the FAT32 SD Card
  13. …a tool named f3 exists to test the capacity of that flash drive/card you just bought from Amazon. https://github.com/AltraMayor/f3/
    comment by cataflam · 2020-01-11 · in John Carmack and Amazon's $30 1TB thumb drives
  14. https://github.com/AltraMayor/f3#installation - for non mac users
    comment by kkarakk · 2019-03-02 · in Amazon’s Project Zero will let brands remove fake product listings