80GB, 99€ on Amazon, seems quite decent.
I bought something similar a few years back and have found it one of the best accessories I've had, large storage size yet fits in the pocket and you can always rip the HD out after a couple of years and fit something bigger/faster.
On my last job people were asking to borrow it all the time as it was sometimes quicker than the network for transferring large files, ISO's of Win 2K3 for example.
For something somewhat smaller though this would be my suggestion:

as it's not much bigger than a typical usb memory key and you can carry multiple cards with you, use the one from your phone etc.
I bought something similar a few years back and have found it one of the best accessories I've had, large storage size yet fits in the pocket and you can always rip the HD out after a couple of years and fit something bigger/faster.
On my last job people were asking to borrow it all the time as it was sometimes quicker than the network for transferring large files, ISO's of Win 2K3 for example.
For something somewhat smaller though this would be my suggestion:

as it's not much bigger than a typical usb memory key and you can carry multiple cards with you, use the one from your phone etc.

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