compare(4)
Capacity
4TB
2TB
500GB
2TB
Interface
USB 3.0 and USB 2.0
USB 2.0 / IEEE 1394a / 1394b / eSATA
USB 3.0
Wifi, USB 3.0
Transfer Rate
USB 3.0 (5GB/s) / USB 2.0 (480 Mb/s)
10 Gbps
Speed
7200 RPM
Cache
32 MB
Dimensions
48 x 135 x 165 mm
9 x 5.03 x 1.50
80.5 x 130 x 22.5 mm
89 x 127 x 21 mm
Weight
1.18 kg
1.50
260 grams
272 grams
Bundled Software
SecureLockMobile Encryption Software
Mac OS X 10.6 or later, USB - Mac OS X 10.5 or later, Windows 7/Vista/XP
Windows 8/RT/7/Vista/XP/Mac OS X 10.6 or higher
Warranty
2
3 Years
2 Years