Constellation Hard Drives
Getting Started
Support Spotlight
Constellation FAQs
See our most frequently asked questions about Constellation internal hard drives.
Read MoreTop Articles
How Do I Low-Level Format a SATA or ATA (IDE) Hard Drive?
Find out how to format your hard drive.
Read MoreFirmware Updates
Seagate products are run by firmware. Having the latest firmware can improve performance and or reliability of your product.
Read MoreThe BIOS does not detect or recognize the ATA / SATA hard drive
There are six main reasons why a system BIOS will not detect the presence of an internal hard drive.
Read MoreTroubleshooting
Downloads
Utilities
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DiscWizard
Seagate DiscWizard works with Maxtor and Seagate disc drives. The software lets you quickly install your new disc drive with wizards that guide you through the processes of creating and formatting partitions on your disc drive, transfering data, and backing up your data. Learn more
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MaxBlast 5
MaxBlast works with Maxtor disc drives only. The software lets you quickly install your new disc drive with wizards that guide you through the processes of creating and formatting partitions on your disc drive, transfering data, and backing up your data. Learn more
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SeaTools for DOS
The quick diagnostic tool that checks the health of your drive. Learn more
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SeaTools for Windows
The quick diagnostic tool that checks the health of your drive. Learn more
Specifications
| Generation | Constellation.2 | Constellation.1 | |||
|---|---|---|---|---|---|
| Capacity | 1TB | 500GB | 250GB | 500GB | 160GB |
| Show me : | |||||
| Form Factor | 2.5" | 2.5" | 2.5" | 2.5" | 2.5" |
| Interface Options | SATA 6Gb/s, SAS 6Gb/s | SAS 6Gb/s, SATA 6Gb/s | SATA 6Gb/s | SAS 6Gb/s, SATA 3Gb/s | SATA 3Gb/s |
| Performance | |||||
| Spindle Speed (RPM) | 7200 | 7200 | 7200 | 7200 | 7200 |
| Cache (MB) | 64 | 64 | 64 | 16, 32 | 32 |
| Transfer Rate, Max Ext (MB/s) | 600 | 600 | 600 | 600, 300 | 300 |
| Sustained Data Rate OD | 115Mb/s | 115Mb/s | 115Mb/s | 100Mb/s, 95Mb/s | 95Mb/s |
| Average Latency (ms) | 4.16 | 4.16 | 4.16 | 4.16 | 4.16 |
| Reliability/Data Integrity | |||||
| Nonrecoverable Read Errors per Bits Read | 1 in 1015 | 1 in 1015 | 1 in 1015 | 1 in 1015 | 1 in 1015 |
| Annualized Failure Rate (AFR) | 0.62% | 0.62% | 0.62% | 0.73% | 0.73% |
| Power Management | |||||
| Idle, Typical Operating (W) | 2.95, 3.84 | 3.19, 2.44 | 2.25 | 2.90, 2.71 | 2.14 |
| Environmental | |||||
| Temperature | |||||
| Operating | 5° to 60°C | 5° to 60°C | 5° to 60°C | 5° to 55°C | 5° to 55°C |
| Non-operating | -40° to 70°C | -40° to 70°C | -40° to 70°C | -40° to 70°C | -40° to 70°C |
| Shock | |||||
| Operating: Gs (ms) | 70 / 40 (2ms), 25 (2ms) | 25 (2ms), 70 / 40 (2ms) | 70 / 40 (2ms) | 25 (2ms), 70/40 (2ms) | 70/40 (2ms) |
| Non-operating: Gs (ms) | 400 (2ms) | 400 (2ms) | 400 (2ms) | 400 (2ms) | 400 (2ms) |
| Acoustics (bels - sound power) | |||||
| Idle | 2.2 | 2.2 | 2.2 | 2.3 | 2.1 |
| Operating | 2.8 | 2.8 | 2.8 | 2.6 | 2.5 |
| Physical | |||||
| Height (in/mm) (maximum) | 0.591/15.00 | 0.591/15.00 | 0.591/15.00 | 0.591/15.00 | 0.591/15.00 |
| Width (in/mm) (maximum) | 2.760/70.10 | 2.760/70.10 | 2.760/70.10 | 2.760/70.10 | 2.760/70.10 |
| Length (in/mm) (maximum) | 3.955/100.45 | 3.955/100.45 | 3.955/100.45 | 3.955/100.45 | 3.955/100.45 |
| Weight (lb/g) | 0.441/200, 0.440/200 | 0.400/183, 0.403/183 | 0.395/179 | 0.43/196 | 0.41/188 |
| Model Number | Generation | Capacity | Interface | Spindle Speed (RPM) | Cache (MB) | Encryption | Storage Type | Areal Density | Maximum Operating Shock | Maximum Length | Maximum Width | Maximum Height | Typical Weight | AFR | Operating Temperature | Average Operating Power |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ST91000640NS | Constellation.2 | 1TB | SATA 6Gb/s | 7200RPM | 64MB | HDD | 417 | 70 / 40Gs | 100.45mm | 70.10mm | 15.00mm | 200g | 0.62% | 60°C | 5.43W | |
| ST91000642NS | Constellation.2 | 1TB | SATA 6Gb/s | 7200RPM | 64MB | Encryption/FIPS | HDD | 417 | 70 / 40Gs | 100.45mm | 70.10mm | 15.00mm | 200g | 0.62% | 60°C | 5.43W |
| ST91000640SS | Constellation.2 | 1TB | SAS 6Gb/s | 7200RPM | 64MB | HDD | 417 | 25Gs | 100.45mm | 70.10mm | 15.00mm | 200g | 0.62% | 60°C | 6.35W | |
| ST91000641SS | Constellation.2 | 1TB | SAS 6Gb/s | 7200RPM | 64MB | Encryption | HDD | 417 | 25Gs | 100.45mm | 70.10mm | 15.00mm | 200g | 0.62% | 60°C | 6.35W |
| ST91000641NS | Constellation.2 | 1TB | SATA 6Gb/s | 7200RPM | 64MB | Encryption | HDD | 417 | 70 / 40Gs | 100.45mm | 70.10mm | 15.00mm | 200g | 0.62% | 60°C | 5.43W |
| ST91000642SS | Constellation.2 | 1TB | SAS 6Gb/s | 7200RPM | 64MB | Encryption/FIPS | HDD | 417 | 25Gs | 100.45mm | 70.10mm | 15.00mm | 200g | 0.62% | 60°C | 6.35W |
| ST9500622NS | Constellation.2 | 500GB | SATA 6Gb/s | 7200RPM | 64MB | Encryption/FIPS | HDD | 417 | 70 / 40Gs | 100.45mm | 70.10mm | 15.00mm | 183g | 0.62% | 60°C | 4.73W |
| ST9500622SS | Constellation.2 | 500GB | SAS 6Gb/s | 7200RPM | 64MB | Encryption/FIPS | HDD | 417 | 25Gs | 100.45mm | 70.10mm | 15.00mm | 183g | 0.62% | 60°C | 5.48W |
| ST9500621SS | Constellation.2 | 500GB | SAS 6Gb/s | 7200RPM | 64MB | Encryption | HDD | 417 | 25Gs | 100.45mm | 70.10mm | 15.00mm | 183g | 0.62% | 60°C | 5.48W |
| ST9500620SS | Constellation.2 | 500GB | SAS 6Gb/s | 7200RPM | 64MB | HDD | 417 | 25Gs | 100.45mm | 70.10mm | 15.00mm | 183g | 0.62% | 60°C | 5.48W | |
| ST9500621NS | Constellation.2 | 500GB | SATA 6Gb/s | 7200RPM | 64MB | Encryption | HDD | 417 | 70 / 40Gs | 100.45mm | 70.10mm | 15.00mm | 183g | 0.62% | 60°C | 4.73W |
| ST9500620NS | Constellation.2 | 500GB | SATA 6Gb/s | 7200RPM | 64MB | HDD | 417 | 70 / 40Gs | 100.45mm | 70.10mm | 15.00mm | 183g | 0.62% | 60°C | 4.73W | |
| ST9250611NS | Constellation.2 | 250GB | SATA 6Gb/s | 7200RPM | 64MB | Encryption | HDD | 417 | 70 / 40Gs | 100.45mm | 70.10mm | 15.00mm | 179g | 0.62% | 60°C | 4.61W |
| ST9250612NS | Constellation.2 | 250GB | SATA 6Gb/s | 7200RPM | 64MB | Encryption/FIPS | HDD | 417 | 70 / 40Gs | 100.45mm | 70.10mm | 15.00mm | 179g | 0.62% | 60°C | 4.61W |
| ST9250610NS | Constellation.2 | 250GB | SATA 6Gb/s | 7200RPM | 64MB | HDD | 417 | 70 / 40Gs | 100.45mm | 70.10mm | 15.00mm | 179g | 0.62% | 60°C | 4.61W | |
| ST9500430SS | Constellation.1 | 500GB | SAS 6Gb/s | 7200RPM | 16MB | HDD | 283 | 25Gs | 100.45mm | 70.10mm | 15.00mm | 196g | 0.73% | 55°C | 3.83W | |
| ST9500432SS | Constellation.1 | 500GB | SAS 6Gb/s | 7200RPM | 16MB | Encryption/FIPS | HDD | 283 | 25Gs | 100.45mm | 70.10mm | 15.00mm | 196g | 0.73% | 55°C | 3.83W |
| ST9500431SS | Constellation.1 | 500GB | SAS 6Gb/s | 7200RPM | 16MB | Encryption | HDD | 283 | 25Gs | 100.45mm | 70.10mm | 15.00mm | 196g | 0.73% | 55°C | 3.83W |
| ST9500530NS | Constellation.1 | 500GB | SATA 3Gb/s | 7200RPM | 32MB | HDD | 283 | 70/40Gs | 100.45mm | 70.10mm | 15.00mm | 196g | 0.73% | 55°C | 3.11W | |
| ST9160511NS | Constellation.1 | 160GB | SATA 3Gb/s | 7200RPM | 32MB | HDD | 283 | 70/40Gs | 100.45mm | 70.10mm | 15.00mm | 188g | 0.73% | 55°C | 2.92W |
Capacity 1TB, 500GB, 250GB, 160GB
Cache (MB) 64, 32, 16