Seagate Constellation ST91000640NS 1TB SATA Hard Drive
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| Capacity: | 1TB |
| Speed: | 7.2K RPM |
| Interface Types: | SATA |
| Form Factor: | 2.5" SFF Server Drive |
| Electrical Interface: | SATA 600 - 6Gbps |
| RAM: | 64MB |
Description
Seagate Constellation.2 ST91000640NS 1TB 2.5" SFF 7.2K 6Gbps SATA Hard Drive - New Pull
Seagate Constellation.2 ST91000640NS 1TB / 1000GB 2.5inch SFF 7,200 RPM 6.0Gbps SATA Hard Drive - New Pull
Constellation.2
Design Small and Deliver BIG—2.5-Inch, Eco-Friendly Nearline Drive
Key Advantages
- Second generation of the first 2.5-inch, mainstream capacity, 15mm z-height, nearline enterprise drive for space-constrained data centers
- Choose 6Gb/s SAS for data integrity, scalability and fast data access, or SATA 6Gb/s for fast, economical Tier 2/nearline performance.
- The industry’s highest-reliability 7200-RPM drive, designed for 24×7 operation with MTBF of 1.4M hours and AFR of 0.62%
- Enterprise-class firmware features and best-in-class rotational vibration tolerance maximize system availability and performance.
- Lowest operating power (under 6.4W) and enhanced PowerChoice™ options for additional power savings during slow or idle periods; Workload Management™ technology helps systems keep drives cool.
- Self-Encrypting Drive (SED) option (AES-256) cuts IT drive retirement costs while securely protecting data where it lives—on the drive.
- FIPS 140-2 Validated™ drives protect Sensitive but Unclassified and Protected class data.
Best-Fit Applications
- Storage-hungry business applications
- Storage area networks (SAN) and network attached storage (NAS)
- Maximum-capacity servers and blade servers
- Rich media content storage
- Enterprise backup and restore—D2D, virtual tape
- Cloud computing
Alt. PN: 9RZ168
Compatibility
This drive is compatible with any server that accepts 2.5"x15mm (SFF) SATA hard drives.
Specifications
| Specifications | |
|---|---|
| Model Number | ST91000640NS |
| Features | |
| Protection Information | — |
| Low Halogen | Yes |
| Reliability/Data Integrity | |
| Mean Time Between Failures (MTBF, hours) | 1.4 million |
| Reliability Rating @ Full 24x7 Operation (AFR) | 0.62% |
| Nonrecoverable Read Errors per Bits Read | 1 sector per 10E15 |
| Power-On Hours per Year | 8760 |
| Bytes per Sector | 512 |
| Performance | |
| Spindle Speed (RPM) | 7200 |
| Cache, Multisegmented (MB) | 64 |
| Interface Access Speed (Gb/s) | 6.0, 3.0, 1.5 |
| Max. Sustained Transfer Rate (MB/s) | 115 |
| Seek Time, Average Read/Write (ms) | 8.5/9.5 |
| Average Latency (ms) | 4.16 |
| Interface Ports | Single |
| RV Tolerance (rad/s2 to 1800Hz) | 16 |
| Power Management | |
| Idle Power (W) | 3.31 |
| Typical Operating, Random Read (W) | 5.21 |
| Power Supply Requirements | +12V and +5V |
| PowerChoice™ Technology (W) | As low as 1.19 |
| Environmental | |
| Temperature, Operating (°C) | 5 to 60 |
| Vibration Operating, <400Hz (Gs) Nonoperating, <500Hz (Gs) | 0.5 3.0 |
| Shock Operating, 2ms (Gs) Nonoperating, 1ms and 2ms (Gs) | 70 400 |
| Acoustics Typical Idle (bels) Typical Seek (bels) | 2.2 2.8 |
| Physical | |
| Height (in/mm) | 0.591/15.00 |
| Width (in/mm) | 2.760/70.10 |
| Depth (in/mm) | 3.955/100.45 |
| Weight (lb/kg) | 0.441/0.200 |
Click here to view the manufacturer's item description/brochure
Alternate MPNs: 9RZ168
Weight: 1 lb
Warranty: 1 Year DiscTech
Condition
The product has been mounted in a brand new system (e.g. server), then removed from the system, before entering service. These products may have some hours of usage due to system build time / burn-in / testing etc. New Pulls are guaranteed to have at least 95% (often 99%) of their service life remaining , they may show signs of being physically mounted and dismounted. All handling is performed by trained technicians, taking full ESD precautions.
Warranty
1 Year DiscTech Warranty