ADATA or Toshiba External Hard Drives?

Should i buy a 500GB external hard drive from ADATA or from Toshiba? Which brand is more reliable? The ADATA is USB 3, so will it work for my USB 2 ports?

Adata ANH13-500GU3-CBK 2.5 inch 500 GB External Hard Disk

adata500gbexternalharddriveBrand: Adata
Capacity: 500 GB
Connectivity: USB 3.0 (Backward compatible with USB 2.0)
Dimensions: 16 x 77.8 x 118.8 mm
Features: Stylish design with brushed aluminum surface. Software (Download from Website)
Form Factor: Portable
Model: NH13
OS Supported: Windows 2000, Windows XP, Windows Vista, Windows 7, Mac OS X 10.6 or later, Linux Kernal 2.6.31 or later
Part Number: ANH13-500GU3-CBK
In The Box: USB 3.0 cable, Quick Install Guide
Size: 2.5 inch
Software: OStoGO, HDDtoGo, Norton Internet Security 2012 (60-day trial)
Transfer Speed: 109 Mbps
Warranty: 3 Years
Weight: 165 g

Toshiba 500 GB/Go USB 2.0 Hard Drive

toshiba500gbexternalharddrive Capacity: 500 GB
Interface : USB 2.0 or eSATA port
Rotational Speed: Up to 5,400 RPM
Password protected backup encryption
Cache Buffer: 8MB
System Requirements: Windows 7, Vista or XP OS, One USB 2.0 port
Dimension : 6.6″ x 6.8″ x 1.34″
Bi-directional synchronization
Full system backup (including operating system) and recovery

ADATA is better, faster file transfer, USB 3 is taking over USB 2 but it’s just ganna take awhile..

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