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Toward A Fake Flash Drive Free World – No More Counterfeits – No More Data Loss

H2testw 1.4 – Gold Standard In Detecting USB Counterfeit Drives

Posted by KittyFireFlash on September 2, 2008

H2testw 1.4 has proven itself to be the best of breed for detecting counterfeit Flash drives. It is extremely easy to use and proves detailed information. Created by Harald Bögeholz, the interface is in German but has the option to run in English. It is free and standalone.

New!  This article contains a poll you can vote on.

Nothing is installed into the operating system. Designed for Windows it can run under Linux if Wine is installed. It will not run under Macs as it is a Windows Software . If your computer can not run the software – ask a colleague or friend who has a windows based computer to help you test.  However if you are a Linux or Mac user we have good news for you,  keep reading. A software has been developed based on the idea of H2testw,  just for you.

To learn more and for download information

Sections covered:

  • Gold Standard rating for H2testw 1.4 Why do you give this software such a high rating?
  • Results for a 64GB USB drive purchased on eBay, using H2testw 1.4
  • Results from H2testw have been verified on drives detected as fakes
  • Acknowledgements
  • Download Links
  • Note To Flash Drive Sellers

Gold Standard rating for H2testw 1.4? Why do you give this software such a high rating?

We give H2testw 1.4 the highest rating and recommend it for testing counterfeit USB Flash Drives for the following reasons:

  1. Easy to Use
  2. While in German an English Execution is possible
  3. Stand alone executable file – no installation required to run it
  4. You do not need administrator privileges on a computer to run it
  5. Tested to work on 1.1 and 2.0 USB drives
  6. Tested to work on 1.1 and 2.0 USB Ports
  7. Tested to work to analyze drives advertised as 4GB, 8GB, 16GB, 32GB and yes …64 GB capacity.
  8. Reports seen capacity – what the operating system sees size to be.
  9. Will write 1 GB files up to the reported size – requiring no work on your part except patience if it is a large drive and a slow computer
  10. Will read all the files it wrote and verify them
  11. Will produce a report. a) short if all is well b) detailed if there issues found.
  12. The program is offered free

The readme.txt file provides:

  • Explanation of the program and what it does for general computer users
  • Information on how to interpret the results
  • Technical information for those who have a deeper understanding of data storage and file writing and for the skeptics out there. Output results can easily be copy pasted into notepad to be saved as a text file.

Test results for a 64GB USB drive purchased on eBay, using H2testw 1.4

Sample Output For A Fake 64 GB Drive

The media is likely to be defective.
3.8 GByte OK (8084847 sectors)
58.6 GByte DATA LOST (122921617 sectors)
Details:710.5 KByte overwritten (1421 sectors)
7.6 MByte slightly changed (< 8 bit/sector, 15630 sectors)
58.6 byte corrupted (122904566 sectors)
710.5 KByte aliased memory (1421 sectors)
First error at offset: 0x000000003cef8470
Expected: 0xeb7ac43a237c5170
Found: 0xeb7a843a237c5170
H2testw version 1.3
Writing speed: 9.24 MByte/s
Reading speed: 10.8 MByte/s
H2testw v1.4

This is 4GB USB flash drive not a 64GB USB flash drive. It is of poor quality. As 4GB drive it should be about 3.9 GB not 3.8 GB formatted. This indicates in low level formatting a lot of bad sectors had to be locked out. Usually flash chips like these are rejected for major brands and should be destroyed. Unfortunately instead of the furnace flames these chips are leaving the back door of factories to be resold. These chips are a favorite for counterfeiters to reprogramme. Low cost, big profit.

The results from H2testw have been verified on drives detected as fakes. How?

  1. Drives were dissembled
  2. Controller chips identified
  3. Flash chip identified

Searches on the actual flash drives using their identification number revealed their true capacity. These matched the output from the H2testw Program.

In a few cases, when drives were disassembled, epoxy glue removed holding the flash drive to the bottom casing, quality control stickers were found with a size circled. The size? Exactly what H2testw reported as the capacity it could write to. All drives autopsied for investigation and validation of this program were purchased on eBay.

We do not see any other program that can match these features. Therefore, H2testw has been adopted as the Gold – Standard to detect and test fakes.

eBayers use this program to PROVE they have received a fake from a seller. It is confirmed with more eBayers reporting the same results for the same drive model. We have been able to prove this repeatedly, to the point we have only one conclusion. If a drive model fails capacity testing with H2testw then any for that listing on eBay is a fake. Having more eBayers test the same model only confirms what H2testw reported. The autopsies on counterfeit drives have also proven the value of this program. The report is a God send for eBayers who must file disputes. It gives them evidence to submit with their case.

Acknowledgements

To Herald Bögeholz who wrote the Program H2testw, Thank You!
To c’t Magazin für Computertechnik, Thank You!
To www.heise.de for hosting the download of the programme, Thank You!

People around the world who have suffered the misfortune to receive a Counterfeit Flash drive are grateful for your contribution in the struggle against False Capacity USB Flash Drives and memory cards.

Mac Users:

Linux Users:

Download links For Windows Users:

Using Google translation into English

Article Manipulated data loss caused by USB sticks – Heise Online

H2testw 1.4 Website – English

Note: Using translation can slow down access speed of the web pages.

German

H2testw 1.4 Website – German – Direct Site Access

You may prefer to search with Google for the software. Type in H2testw 1.4 which is the current version at the time of listing on this page. To search all versions you can just type in H2testw.

Direct Download Of Software For version 1.4 of H2testw

Note To Flash Drive Sellers

Please test your merchandise using this software. Do not offer for sale unless the drives are able to pass testing. You do not want to face the consequences of angry buyers. If you have drives which fail, contact the source you acquired from. Submit the proof you have as evidence for receiving counterfeit merchandise.

If the drives you offer for sale are able to pass the testing of H2testw 1.4 – congratulations!

Please indicate this in your advertising or listings. Let prospective buyers know that you have tested. That your drives pass with the program and that you are able to guarantee the true advertised capacity (minus a small overhead for operating system file formatting.). This will increase your sales potential.

If you find the tool H2testw 1.4 useful to you, please return and leave a comment on your experiences with it.

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420 Responses to “H2testw 1.4 – Gold Standard In Detecting USB Counterfeit Drives”

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  4. […] If you bought a flash memory item from e-spur – United States eBay seller you are advised to test item(s) immediately for advertised capacity. You may have purchased a fake flash memory product. H2testw is the software to test true capacity for flash memory. It is used to test memory cards, mp players and usb flash drives. It is free to use and download. A linux alternative to H2testw also exists. To understand what H2testw does and download read: H2testw 1.4 – Gold Standard In Detecting USB Counterfeit Drives […]

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  8. […] If you bought a flash memory item from luxistore168 – China eBay seller you are advised to test item(s) immediately for advertised capacity. You may have purchased a fake flash memory product. H2testw is the software to test true capacity for flash memory. It is used to test memory cards, mp players and usb flash drives. It is free to use and download. A linux alternative to H2testw also exists. To understand what H2testw does and download read: H2testw 1.4 – Gold Standard In Detecting USB Counterfeit Drives […]

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  10. […] a Windows PC or Mac) or similar, and (b) perform a write-verify test using automated software like H2testw 1.4 (Windows software). I performed a ‘quick format’ (equivalent to what is done on the M9) […]

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  13. […] If you bought a flash memory item from daminpex – United States eBay seller you are advised to test item(s) immediately for advertised capacity. You may have purchased a fake flash memory product. H2testw is the software to test true capacity for flash memory. It is used to test memory cards, mp players and usb flash drives. It is free to use and download. A linux alternative to H2testw also exists. To understand what H2testw does and download read: H2testw 1.4 – Gold Standard In Detecting USB Counterfeit Drives […]

  14. […] H2testw 1.4 – Gold Standard In Detecting USB Counterfeit Drives Share this:StumbleUponDiggRedditTwitterFacebookEmailLike this:LikeBe the first to like this post. Tagged: c2offer flash memory, duijiangjuan, FakeFlashNews, qsxcvb2010, yuan5588558, zhoujielun Posted in: Consumer Watch Flash Memory, Counterfeit Flash Drives, eBay Consumer Testing ← eBay China Resumes Flash Memory Fraud With A Vengeance. If You Want A Cheap Bargain For USB Flash Drives, MP Players Or Memory Cards On eBay, Expect To Be Scammed. SanDisk, Memorette, Samsung, Transcend, Kingston Are All Losing Their Quality Reputations Thanks To eBay! Be the first to start a conversation […]

  15. […] If you bought a flash memory item from any of these eBay sellers: guyana12000 – tommycharters – shohel2012 – mysalesoutlet you are advised to test item(s) immediately for advertised capacity. You may have purchased a fake flash memory product. H2testw is the software to test true capacity for flash memory. It is used to test memory cards, mp players and usb flash drives. It is free to use and download. A linux alternative to H2testw also exists. To understand what H2testw does and download read: H2testw 1.4 – Gold Standard In Detecting USB Counterfeit Drives […]

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  17. […] Posts H2testw 1.4 – Gold Standard In Detecting USB Counterfeit DrivesWhere To Download Alcor Tools To Fix Fake USB Flash DrivesH2testw Repairing Counterfeit Flash […]

  18. asdfasdf said

    My USB:

    Warning: Only 4038 of 4086 MByte tested.
    The media is likely to be defective.
    203.9 MByte OK (417735 sectors)
    3.7 GByte DATA LOST (7852089 sectors)
    Details:207.4 MByte overwritten (424765 sectors)
    0 KByte slightly changed (Son of the B… This is fake!!!!!!!!!!!!!!!!

  19. G.S. said

    The media is likely to be defective.
    211.8 MByte OK (433920 sectors)
    3.6 GByte DATA LOST (7758080 sectors)
    Details:3.6 GByte overwritten (7697408 sectors)
    0 KByte slightly changed (< 8 bit/sector, 0 sectors)
    29.6 MByte corrupted (60672 sectors)
    7.9 MByte aliased memory (16256 sectors)
    First error at offset: 0x000000000d3e0000
    Expected: 0x000000000d3e0000
    Found: 0xffffffffffffffff
    H2testw version 1.3
    Writing speed: 10.9 MByte/s
    Reading speed: 7.61 MByte/s
    H2testw v1.4

    Dear friends, i got this test result on a 4gb usb drive I got from ebay. That states that probably it is a 256mb capacity, right? But why am I able to write movies up to 4gb on this drive? Will these be lost if I stick it to another lap top?

  20. not G.S. said

    G.S.
    Answers:
    1. right
    2. it just creates expression that you can, try watching them till the end, they will stop playing at some point before if you can open them at all
    3. yes

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