Description
Seagate Constellation.2 ST9500620SS 500GB 7200 RPM 64MB Cache SAS 6Gb/s 2.5″ Enterprise Hard Drive
Seagate Constellation.2 ST9500620SS 500GB 7200 RPM 64MB Cache SAS 6Gb/s 2.5″ Internal Enterprise-class Hard Drive
Owerview
Seagate? Constellation.2? drives are the most energy efficient enterprise drives on the market. Designed for enterprise robustness, Constellation.2 is available in capacities up to 1TB and offers reliable storage for high capacity servers and storage arrays in a minimal footprint.
Key Features and Benefits
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Industry?s first 2.5-inch 1TB capacity-optimized drive for dense, space-constrained data centers allows you to store twice as much data in the same footprint.
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Build highly efficient bulk storage solutions while lowering your power consumption costs
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Designed for robust 24×7 operation with a 1.4M hour mean-time-between-failure (MTBF) rating
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Best-in-class rotational vibration tolerance ensures unrivaled performance in high spindle-density applications, and multi-drive firmware maximizes system availability
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Choose from 6Gb/s SAS with improved data integrity, scalability and fastest data access or SATA 6Gb/s for economical 7200-RPM performance
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TCG- compliant, Self-Encrypting Drive (SED) security option cuts IT drive retirement expenses while securely protecting data*
Specifications
Seagate? Constellation.2? 6Gb/s SAS 500GB Hard Drive
ST9500620SS
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Specifications |
|
---|---|
Model Number |
ST9500620SS |
Interface |
6-Gb/s SAS |
Cache |
64MB |
Capacity |
500GB |
Areal density (avg) |
417Gb/in2 |
Guaranteed Sectors |
976,773,168 |
PHYSICAL |
|
Height (maximum) |
15.00mm (0.591 in) |
Width (maximum) |
70.10mm (2.760 in) |
Length (maximum) |
100.45mm (3.955 in) |
Weight (typical) |
183g (0.400 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 |
0.78A |
5V start max current |
0.72A |
Average idle power |
3.19W |
Average operating power |
5.48W |
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 |