HDD External WD Elements Portable 320GB USB2.0

Device Location: : External 
Hard Drive Type: : Portable 
Form Factor: : 2.5" 
Storage Capacity: : 320 GB 
Supports Data Channel: : USB 2.0 
Sector Capacity: : 512 B 
Performance 
Rotational Speed: : 5400 rpm 
Average Rotational Delay: : 5.6 ms 
External Data Bit Rate: : 480 Mbps (Max) 
Interface Provided 
USB2.0 Interface Quantity: : 1 
Environment 
Maximum Operating Ambient Temperature: : 5 °C 
Minimum Operating Ambient Temperature: : 40 °C 
Maximum Non-Operating Ambient Temperature: : -40 °C 
Minimum Non-Operating Ambient Temperature: : 65 °C 
Miscellaneous 
Cable Included: : USB Cable 
External Color: : Black 
Dimensions&Weight 
Depth: : 126 mm 
Height: : 15 mm 
Width: : 78 mm 
Nominal Weight: : 0.2 kg