| Product | 8TB SAS 3.0 12.0Gb/s 7200RPM - 3.5" - Ultrastar™ DC HC320 (512e) | 10TB SAS 3.0 12.0Gb/s 7200RPM - 3.5" - Ultrastar™ DC HC330 (512e) | 12TB SAS 3.0 12.0Gb/s 7200RPM - 3.5" - Ultrastar™ DC HC555 (512e) | 14TB SAS 3.0 12.0Gb/s 7200RPM - 3.5" - Ultrastar™ DC HC555 (512e/4Kn) | 16TB SAS 3.0 12.0Gb/s 7200RPM - 3.5" - Ultrastar™ DC HC550 (512e/4Kn) | 18TB SAS 3.0 12.0Gb/s 7200RPM - 3.5" - Ultrastar™ DC HC550 (512e/4Kn) | 20TB SAS 3.0 12.0Gb/s 7200RPM - 3.5" - Ultrastar™ DC HC560 (512e/4Kn) | 22TB SAS 3.0 12.0Gb/s 7200RPM - 3.5" - Ultrastar™ DC HC570 (512e/4Kn) | 24TB SAS 3.0 12.0Gb/s 7200RPM - 3.5" - Ultrastar™ DC HC580 (512e/4Kn) | 26TB SAS 3.0 12.0Gb/s 7200RPM - 3.5" - Ultrastar™ DC HC590 (512e/4Kn) | 12TB SAS 3.0 12.0Gb/s 7200RPM - 3.5" - Seagate Exos X24 Series FastFormat™ (512e/4Kn) | 16TB SAS 3.0 12.0Gb/s 7200RPM - 3.5" - Seagate Exos X24 Series FastFormat™ (512e/4Kn) | 20TB SAS 3.0 12.0Gb/s 7200RPM - 3.5" - Seagate Exos X24 Series FastFormat™ (512e/4Kn) | 24TB SAS 3.0 12.0Gb/s 7200RPM - 3.5" - Seagate Exos X24 Series FastFormat™ (512e/4Kn) ISE |
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| Main Specifications | ||||||||||||||
| Product Type | Server | Server | Server | Server | Server | Server | Server | Server | Server | Server | Server | Server | Server | Server |
| Storage Capacity | 8TB | 10TB | 12TB | 14TB | 16TB | 18TB | 20TB | 22TB | 24TB | 26TB | 12TB | 16TB | 20TB | 24TB |
| Form Factor | 3.5" Internal | 3.5" Internal | 3.5" Internal | 3.5" Internal | 3.5" Internal | 3.5" Internal | 3.5" Internal | 3.5" Internal | 3.5" Internal | 3.5" Internal | 3.5" Internal | 3.5" Internal | 3.5" Internal | 3.5" Internal |
| Interface | 12.0Gb/s SAS | 12.0Gb/s SAS | 12.0Gb/s SAS | 12.0Gb/s SAS | 12.0Gb/s SAS | 12.0Gb/s SAS | 12.0Gb/s SAS | 12.0Gb/s SAS | 12.0Gb/s SAS | 12.0Gb/s SAS | 12.0Gb/s SAS | 12.0Gb/s SAS | 12.0Gb/s SAS | 12.0Gb/s SAS |
| Rotational Speed | 7,200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM |
| Cache | 256MB | 256MB | 512MB | 512MB | 512MB | 512MB | 512MB | 512MB | 512MB | 512MB | 512MB | 512MB | 512MB | |
| Format | 512e | 512e (changeable to 4Kn) | 512e | 512e/4Kn | 512e/4Kn | 512e/4Kn | 512e/4Kn | 512e/4Kn | 512e/4Kn | 512e/4Kn | 512e/4Kn | 512e/4Kn | 512e/4Kn | 512e/4Kn |
| Series | Ultrastar DC HC320 | Ultrastar DC HC330 | Ultrastar HC555 | Ultrastar DC HC550 | Ultrastar DC HC550 | Ultrastar DC HC550 | Ultrastar DC HC560 | Ultrastar DC HC560 | Ultrastar DC HC560 | Ultrastar DC HC590 | Exos X24 | Exos X24 | Exos X24 | Exos X24 |
| Z-height | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm |
| Detailed Specifications | ||||||||||||||
| Life Expectancy | 2 Million Hours (MTBF) | 2.5 Million Hours (MTBF) | 2.5 Million Hours (MTBF) | 2.5 Million Hours (MTBF) | 2.5 million hours MTBF | 2.5 million hours MTBF | 2.5 million hours MTBF | 2.5 million hours MTBF | ||||||
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