Seagate Part #/MPN: ST91000640NS
DiscTech Item #: SGT-ST91000640NS-NP-OE
- New PullCondition Levels Explained
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 DiscTechProduct Warranties Explained
The product has a DiscTech warranty for the time period specified. View our limited warranty
- Low Stock:Call for ETAStock Levels
This item is currently (nearly) out of stock. It may be possible to arrange fast shipment. If you need it urgently call us. Otherwise, it usually ships within 1 week.
Capacity: 1TB
Speed: 7,200RPM
Interface Types: SATA
Form Factor: 2.5inx15mm SFF Server Drive
Sector Size: 512 / 512e
Sustained Throughput: 115
Average Seek Time: 8.5/9.5
Electrical Interface: SATA 600 - 6.0Gbps
On-Board Cache: 64MB
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 | |
|---|---|
| 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
New Pull
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.
1 Year DiscTech Warranty
The product has a DiscTech warranty for the time period specified. View our limited warranty