Seagate ST91000641SS 1TB 2.5" SAS Hard Disk Drive
- 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.
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- 1 Year DiscTechWarrantyProduct Warranties Explained
The product has a DiscTech warranty for the time period specified. View our limited warranty
| Capacity: | 1TB |
| Speed: | 7.2K RPM |
| Interface Types: | SAS |
| Form Factor: | 2.5" SFF Server Drive |
| Electrical Interface: | SAS-2 6Gbps |
| RAM: | 64MB |
Description
Seagate ST91000641SS 1TB 2.5" SFF 6Gbps 7.2K RPM NL SED Constellation.2 SAS HDD – New Pull
Seagate ST91000641SS 1TB 2.5" 6.0 Gbps 7200 RPM Nearline Self-Encrypting Drive Constellation.2 Serial Attached SCSI Hard Disk 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.
- 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.
Compatibility
This drive is compatible with any server that accepts 2.5"x15mm (SFF Hard Drive) SAS Drives.
Specifications
| Drive Model | ST91000641SS |
|---|---|
| Capacity | 1TB/1000GB |
| Interface | SAS 6Gbps |
| SED Model | Yes |
| SED (AES-256) FIPS 140-2 Model | No |
| Features | |
| Protection Information | Yes |
| 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, 520, 528 |
| 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 | Dual |
| RV Tolerance (rad/s to 1800Hz) | 16 |
| Power Management | |
| Idle Power (W) | 3.85 |
| Typical Operating, Random Read (W) | 6.4 |
| Power Supply Requirements | +12V and +5V |
| PowerChoice™ Technology (W) | As low as 1.87 |
| Environmental | |
| Temperature, Operating (°C) | 5 to 60 |
| Vibration, Operating, <400Hz (Gs) | 0.5 |
| Vibration, Nonoperating, <500Hz (Gs) | 3.0 |
| Shock, Operating, 2ms (Gs) | 70 |
| Shock, Nonoperating, 1ms and 2ms (Gs) | 400 |
| Acoustics, Typical Idle (bels) | 2.2 |
| Acoustics, Typical Seek (bels) | 2.8 |
| Physical | |
| Height (in/mm) | 0.591/15.00 |
| Width (in/mm) | 2.76/70.10 |
| Depth (in/mm) | 3.955/100.45 |
| Weight (lb/g) | 0.441/200 |
Click here to view the manufacturer's item description/brochure
ROHS Compliant
Alternate MPNs: 9TR268
Weight: 1 lb
Warranty: 1 Year DiscTech
Condition
New Pull
Warranty
1 Year DiscTech Warranty