HDD Server Seagate Constellation 1TB 7200/SATA2/32MB

Model Number: ST31000524NS 
Interface: SATA 3Gb/s 
Cache: 32MB 
Capacity: 1TB 
Areal density (avg): 347Gb/in2 
Guaranteed Sectors: 1, 953, 525, 168 
PHYSICAL: 
Height: 26.1mm (1.028 in) 
Width: 101.6mm (4.000 in) 
Length: 146.99mm (5.787 in) 
Weight (typical): 610g (1.344 lb) 
PERFORMANCE: 
Spin Speed (RPM): 7200 RPM 
Sustained data transfer rate: 140Mb/s 
Average latency: 4.16ms 
Random read seek time: <8.5ms 
Random write seek time: <9.5ms 
I/O data transfer rate: 300MB/s 
Unrecoverable read errors: 1 in 1015 
RELIABILITY: 
MTBF: 1, 200, 000 hours 
Annual Failure Rate: 0.73% 
POWER: 
Average idling power: 5.0W 
Maximum starting current, DC: 2.8 
ENVIRONMENT: 
Ambient Temperature: 
Operating: 5°–60°C 
Non-operating: -40°–70°C 
Maximum operating temperature change: 20°C per hour 
Maximum non-operating temperature change: 30°C per hour
Shock: 
Operating shock (max): Read 70 / Write 40 Gs for 2ms 
Non-operating shock (max): 350 Gs for 2ms 
ACOUSTICS: 
Acoustics (Idling Volume): 2.2 bels 
Acoustics (Seek Volume): 2.8 bels