Seagate 1TB Constellation.2, SAS 6Gb/s, 7200RPM, 64MB, Enterprise Reliability
Product Features
The Seagate® Constellation.2™ drive is the only 2.5-inch enterprise-class hard drive delivering both 1TB capacities and enterprise reliability at the industry’s lowest power consumption for storage-hungry nearline applications. Self-Encrypting Drive (SED) options available to protect data-at-rest.*
- Maximizes data center footprint with up to 76TB per square foot
- Energy efficient storage at under 3.9 watts (idle)
- Highest nearline reliability with an MTBF of 1.4M hours
- 6Gb/s performance in both SAS and SATA interfaces
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.
Product Specs
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
- Weight (typical) 200g (0.44 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
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