Electronics Sony 4 GB Memory Stick PRO DUO ( MSX-M4GS ) (Retail Package)
Digital Life Average Rating:

Rating: - not what was advertised
This was listed as a retail package but came in a shipping envelope with no packaging. I have not tested the item but would say it is a knock off and will try and get my money back. I went on Amazon so this would not happen. I am surprised that amazon would allow items like this to be sold on there site.

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Rating: - Genuine and Valid - Great Cheap Deal!
This is the real deal. Not a fake, fortunately - and is as genuine as it can be. I use this to store PSP games music save files and videos and nothing is wrong with it! Here's a tip - buy two of these 4gb cards for the price of less than one 8gb!! More value, cheaper and the same amount of space on them combined.

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Rating: - 4g mem stick
picked up one of these along with the remote for psp slim, good buy but i had to format through the computer to wipe it clean then through psp to set up proper file system. will be picking another up once i get my psp camera from play asia :D

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Rating: - Too slow
If you want this for your psp I will just pay the difference for a sandisk Ultra, a lot faster than this