Seagate® Constellation.2™ 6Gb/s SAS 1TB Hard Drive ST91000640SS
Specifications |
|
Model Number |
ST91000640SS |
Interface |
6-Gb/s SAS |
Cache |
64MB |
Capacity |
1TB |
Areal density (avg) |
417Gb/in2 |
Guaranteed Sectors |
1,953,525,168 |
PHYSICAL |
|
Height (maximum) |
15.00mm (0.591 in) |
Width (maximum) |
70.10mm (2.760 in) |
Length (maximum) |
100.45mm (3.955 in) |
Weight (typical) |
200g (0.440 lb) |
PERFORMANCE |
|
Spin Speed (RPM) |
7200 RPM |
Sustained data transfer rate |
115MB/s |
Average latency |
4.16ms |
Random read seek time |
7.5ms |
Random write seek time |
8.5ms |
I/O data transfer rate |
600MB/s |
Unrecoverable read errors |
1 in 1015 |
RELIABILITY |
|
MTBF |
1,400,000 hours |
Annual Failure Rate |
0.62% |
POWER |
|
12V start max current |
0.88A |
5V start max current |
0.69A |
Average idle power |
3.84W |
Average operating power |
6.35W |
ENVIRONMENT |
|
Ambient Temperature |
|
Operating |
5°–60°C |
Nonoperating |
-40°–70°C |
Maximum operating temperature change |
20°C per hour |
Maximum nonoperating temperature change |
20°C per hour |
Shock |
|
Operating Shock (max) |
25 Gs for 2ms |
Nonoperating Shock (max) |
400 Gs for 2ms |
ACOUSTICS |
|
Acoustics (Idle Volume) |
2.2 bels |
Features |
|
Storage Type |
HDD |