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Tuesday, 6 January 2009

32GB kingston pendrives

I recently went with my friend to buy USB Pen Drives as I had heard that 32GB kingston pendrives were being sold for Rs 500/- .Of course I knew that no company would be selling pendrives at such price, so It was obvious that it was some cheap Chinese product, but being curious, I still went ahead and bought one. tWho knows it may work…
Before Buying the Pendrive I asked the dealer what was its warrantee,he was reluctant to give any although there is a 1-3 year warranty on pendrives .I asked him to confirm properties of the pendrive in windows.He allowed me to do so and it displayed absolute 31.2 GB intact. Then I got curious that how it could be possible? Nevertheless,I purchased the pendrive..
After reaching home when I tried to copy the 4 GB “The Dark Knight” movie, and it got corrupted, that made me thinking again. I Googled and found similar cases arising through eBay. The company website didn't even had the model I purchased listed.I was selectively fooled and then I started experimenting with the pendrive..
Here is what I found -
• On copying pictures and stuff I found out that only till 2GB of data was intact, the rest got corrupted.
• No firmware signature was there..
• Formatting the Pendrive was of no use.
• I tried using windows Disk Check utility to see whether the bad sectors could be recovered but the program used to hang on initiating it.
• The fake took an excessively long time (1 to 10 hours) only 'pretending' writing but the data was not actually being written.
• Several Hidden system folders with random names having files more that 2.5 GB of size appeared randomly eg. 00000.000 will appear and you cannot delete them.
• On opening the pendrive I saw the PCB was in a pretty bad condition,It had a 2GB RAM chip and was patched in firmware to make it look as it was of 32 GB.

I used several programs to find out the actual capacity of pendrive and to format it.
• Check Flash 1.03
• HP USB Disk Storage Format Tool - v2.1.8
• i506X USB Flash Disk
(experiment with them :D )
EPILOGUE
The pendrive was dumped into trash after its dissection because it was thoroughly useless.ULTRA Slow transfer speeds,data corruption and random files..It deserved that.
I can say only one thing in the end..BE ORIGINAL, BUY ORIGINAL..

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