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Seagate HDD SATAII 1TB 32MB 7.2K |
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February 2011 |
Seagate® Constellation™ ES SATA 3-Gb/s 1-TB Hard Drive
Seagate® Constellation™ ES fourth-generation drives are among the
highest capacity drives available and are the only 6-Gb/s SAS nearline
hard drives on the market. These drives feature enterprise-class
reliability, and power and performance efficiencies, making them ideal
for business-critical, 24x7 multi-drive server and storage environments.
Key Features and Benefits
- Reduces design and support costs by building on the Seagate best-in-class enterprise storage foundation
- Features the maximum capacity available — up to 2 TB — in a 3.5-inch enterprise-class hard disc drive
- Features
a traditional 3.5-inch form factor with enhanced rotational vibration
tolerance and high data integrity for enterprise-class reliability in a
cost-effective drive
- Delivers proven reliability, with an MTBF* of 1.2 million hours
- Lets
you choose a 3-Gb/s Enterprise SATA or 6-Gb/s SAS interface, which
eases integration and delivers up to double the throughput of
traditional 3-Gb/s nearline hard drives
- Reduces energy and cooling costs, with the lowest power consumption of any nearline 3.5-inch drive
- Includes Seagate PowerChoice™ technology for even greater on-demand power savings during slow or idling periods
- TCG-compliant,
Self-Encrypting Drive (SED) security option (SAS models only)
eliminates the need to overwrite or physically destroy drives, enables
safe return of drives for warranty or expired lease purposes, and allows
organisations to repurpose or sell hard drives securely
- Meets regulatory data security compliance requirements and is FIPS 140-2 Validated™ to protect data classed as Sensitive but Unclassified and Protected
| Specifications |
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| Model Number |
ST31000524NS |
| Interface |
SATA 3Gb/s |
| Cache |
32MB |
| Capacity |
1TB |
| Areal density (avg) |
347Gb/in2 |
| Guaranteed Sectors |
1,953,525,168 |
| Physical |
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| Weight (typical) |
610g (1.344 lb) |
| Performance |
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| Spin Speed (RPM) |
7200 RPM |
| 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 |
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| Average idling power |
5.0W |
| Maximum starting current, DC |
2.8 |
| 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 |
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| Operating shock (max) |
Read 70 / Write 40 Gs for 2ms |
| Non-operating shock (max) |
350 Gs for 2ms |
| Acoustic |
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| Acoustics (Idling Volume) |
2.2 bels |
| Acoustics (Seek Volume) |
2.8 bels |
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