| Product | 10TB SATA 6.0Gb/s 7200RPM - 3.5" - Ultrastar™ DC HC330 (512e) | 14TB SATA 6.0Gb/s 7200RPM - 3.5" - Ultrastar™ DC HC555 (512e) | 16TB SATA 6.0Gb/s 7200RPM - 3.5" - Ultrastar™ DC HC555 (512e) | 18TB SATA 6.0Gb/s 7200RPM - 3.5" - Ultrastar™ DC HC550 (512e/4Kn) | 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 HC555 (512e) | 18TB SAS 3.0 12.0Gb/s 7200RPM - 3.5" - Seagate Exos X18 Series FastFormat™ (512e/4Kn) | 1.92TB Micron 7450 PRO Series U.3 PCIe 4.0 x4 NVMe Solid State Drive (15mm) | 3.84TB Micron 7450 PRO Series U.3 PCIe 4.0 x4 NVMe Solid State Drive (15mm) |
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| Main Specifications | ||||||||||||
| Product Type | Server | Server | Server | Server | Server | Server | Server | Server | Server | Server | Server | Server |
| Storage Capacity | 10TB | 14TB | 16TB | 18TB | 10TB | 12TB | 14TB | 16TB | 18TB | 18TB | 1.92TB | 3.84TB |
| 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 | U.3 Internal | U.3 Internal |
| Interface | 6.0Gb/s Serial ATA | 6.0Gb/s Serial ATA | 6.0Gb/s Serial ATA | 6.0Gb/s Serial ATA | 12.0Gb/s SAS | 12.0Gb/s SAS | 12.0Gb/s SAS | 12.0Gb/s SAS | 12.0Gb/s SAS | 12.0Gb/s SAS | PCIe 4.0 x4 NVMe | PCIe 4.0 x4 NVMe |
| Rotational Speed | 7200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM | 7200RPM | ||
| Cache | 256MB | 512MB | 512MB | 512MB | 256MB | 512MB | 512MB | 512MB | 256MB | |||
| Format | 512e (changeable to 4Kn) | 512e/4Kn | 512e/4Kn | 512e/4Kn | 512e (changeable to 4Kn) | 512e | 512e/4Kn | 512e/4Kn | 512e/4Kn | 512e/4Kn | ||
| Series | Ultrastar DC HC330 | Ultrastar DC HC555 | Ultrastar DC HC555 | Ultrastar DC HC550 | Ultrastar DC HC330 | Ultrastar HC555 | Ultrastar DC HC550 | Ultrastar DC HC550 | Ultrastar DC HC555 | Exos X18 | 7450 PRO | 7450 PRO |
| Z-height | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 26.1mm | 15mm | 15mm |
| Endurance | 1x DWPD | 1x DWPD | ||||||||||
| Detailed Specifications | ||||||||||||
| Lifetime Endurance | 3650 TBW (4K random) | 7300 TBW (4K random) | ||||||||||
| Life Expectancy | 2.5 million hours MTBF | 2 million hours MTTF | 2 million hours MTTF | |||||||||
| Read IOPS | 800,000 IOPS | 1,000,000 IOPS | ||||||||||
| Write IOPS | 120,000 IOPS | 180,000 IOPS | ||||||||||
| Read Speed | 6800 MB/s | 6800 MB/s | ||||||||||
| Write Speed | 2700 MB/s | 5300 MB/s | ||||||||||
| NAND | Micron 176-layer 3D TLC NAND | Micron 176-layer 3D TLC NAND | ||||||||||
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