WD Purple 3TB Surveillance Hard Drive, SATA III w/ 64MB Cache

Specifications
Make and Model Western Digital Purple Surveillance HDD
Part Number WD30PURZ

Drive
Formatted Capacity 3TB1
Interface SATA III, 6 Gb/s maximum

Performance
Transfer Rate Sustained: 145 MB/second
Rotational Speed 5400rpm Class
Buffer Size 64MB

Reliability
Load / Unload 300,000 Cycles
Read Errors Less than 10 non-recoverable bits per 1014 bits read

Shock
Operating Read / Write: 30G for 2ms
Read: 65G for 2ms
Non-operating: 250G for 2ms

Environmentals
Acoustics Idle: 23dBA
Seek Mode: 24dBA
Temperature Operating: 0 ~ 65 Deg C
Non-Operating: -40 ~ 70 Deg C

Power
Power Input 12Vdc
Power Usage Typical Read / Write: 4.4W
Idle: 4.1W
Standby & Sleep Modes: 0.4W

Dimensions & Weight
Dimensions 101.6 x 147.0 x 26.1mm
Weight 450g