Seagate Exos X20 3,5" - 20TB (server) 7200rpm/SATA/256MB/512e/4kN
Seagate Exos X20 3,5" - 20TB (server) 7200rpm/SATA/256MB/512e/4kN
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Specifications SATA 6 Gb/s 12 Gb/s SAS SATA 6 Gb/s 12 Gb/s SAS Capacity 20 TB 20 TB 18 TB 18 TB Standard Model FastFormat[superscript] (512e/4Kn)[superscript1] …
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| Specifications | SATA 6 Gb/s | 12 Gb/s SAS | SATA 6 Gb/s | 12 Gb/s SAS |
| Capacity | 20 TB | 20 TB | 18 TB | 18 TB |
| Štandard Model FastFormat[superscript] (512e/4Kn)[superscript1] | ST20000NM007D | ST20000NM002D | ST18000NM003D | ST18000NM000D |
| SED Model FastFormat (512e/4Kn)[superscript1,2] | ST20000NM000D | ST20000NM003D | ST18000NM004D | ST18000NM001D |
| SED-FIPS FastFormat (512e/4Kn)[superscript1,2] | ST20000NM005D | ST18000NM002D | ||
| FEATURES | ||||
| Hélium Sealed-Drive Design | Yes | Yes | Yes | Yes |
| Conventional Magnetic Recording (CMR) | Yes | Yes | Yes | Yes |
| Protection Information (T10 DIF) | — | Yes | — | Yes |
| Super Parity | Yes | Yes | Yes | Yes |
| Low Halogen | Yes | Yes | Yes | Yes |
| PowerChoice[superscript] Idle Power Technology | Yes | Yes | Yes | Yes |
| PowerBalance[superscript] Power/Performance Technology | Yes | Yes | Yes | Yes |
| Hot-Plug Support[superscript3] | Yes | Yes | Yes | Yes |
| Cache, Multi-segmented (MB) | 256 | 256 | 256 | 256 |
| Organic Solderability Preservative | Yes | Yes | Yes | Yes |
| RSA 3072 Firmware Verification (SD&D) | Yes | Yes | Yes | Yes |
| RELIABILITY/DATA INTEGRITY | ||||
| Mean Time Between Failures (MTBF, hours) | 2.5 Million | 2.5 Million | 2.5 Million | 2.5 Million |
| Reliability Rating @ Full 24×7 Operation (AFR) | 0.35% | 0.35% | 0.35% | 0.35% |
| Non-recoverable Read Errors per Bits Read | 1 sector pier 10E15 | 1 sector pier 10E15 | 1 sector pier 10E15 | 1 sector pier 10E15 |
| Power-On Hours per Year (24×7) | 8,760 | 8,760 | 8,760 | 8,760 |
| 512e Sector Size (Bytes per Sector) | 512 | 512, 520, 528 | 512 | 512, 520, 528 |
| 4Kn Sector Size (Bytes per Sector) | 4096 | 4096, 4160,4224 | 4096 | 4096, 4160,4224 |
| Limited Warranty (years) | 5 | 5 | 5 | 5 |
| PERFORMANCE | ||||
| Spindle Speed (RPM) | 7,200 | 7,200 | 7,200 | 7,200 |
| Interface Access Speed (Gb/s) | 6.0, 3.0 | 12.0, 6.0, 3.0 | 6.0, 3.0 | 12.0, 6.0, 3.0 |
| Max. Sustained Transfer Rate OD (MB/s, MiB/s) | 285/272 | 285/272 | 285/272 | 285/272 |
| Random Read/Write 4K QD16 WCD (IOPS) | 168/550 | 168/550 | 168/550 | 168/550 |
| Average Latency (ms) | 4.16 | 4.16 | 4.16 | 4.16 |
| Interface Ports | Single | Dual | Single | Dual |
| Rotation Vibration @ 20–1,500 Hz (rad/sec[superscript2]) | 12.5 | 12.5 | 12.5 | 12.5 |
| Idle A (W) Average | 5.4 | 5.8 | 5.4 | 5.8 |
| Max Operating, Random Read/Write 4K/16Q (W) | 9.4, 6.4 | 9.8, 7.0 | 9.4, 6.4 | 9.8, 7.0 |
| Power Supply Requirements | +12 V a +5 V | +12 V a +5 V | +12 V a +5 V | +12 V a +5 V |
| ENVIRONMENTAL | ||||
| Temperature, Operating (°C) | 5 to 60 | 5 to 60 | 5 to 60 | 5 to 60 |
| Vibration, Non-operating: 2 to 500 Hz (Grms) | 2.27 | 2.27 | 2.27 | 2.27 |
| Shock, Operating 2 ms (Read/Write) (Gs) | 40 | 40 | 40 | 40 |
| Shock, Non-operating, 2 ms (Gs) | 200 | 200 | 200 | 200 |
| PHYSICAL | ||||
| Height (mm/in, max)[superscript4] | 26.1/1.028 | 26.1/1.028 | 26.1/1.028 | 26.1/1.028 |
| Width (mm/in, max)[superscript4] | 101.85/4.010 | 101.85/4.010 | 101.85/4.010 | 101.85/4.010 |
| Depth (mm/in, max)[superscript4] | 147.0/5.787 | 147.0/5.787 | 147.0/5.787 | 147.0/5.787 |
| Weight (lb/g) | 670g/1.477lb | 670g/1.477lb | 670g/1.477lb | 670g/1.477lb |
| Carton Unit Quantity | 20 | 20 | 20 | 20 |
| Cartons per Pallet/Cartons per Layer | 40/8 | 40/8 | 40/8 | 40/8 |
| 1 FastFormat modely lode v 512e formáte štátu. Keď switching from 512e to 4Kn by vykonávanie FastFormat routine, všetky údaje na ovládači boli deleted. Note that data musí byť aligned do 4K kategórií to see improved performance in 4Kn format. | ||||
| 2 Self-Encrypting Drives (SED) and FIPS 140–3 Validated drives available through franchised authorised distributors. May require TCG-compliant host alebo controller support. | ||||
| 3 Supports Hotplug operation per Serial ATA Revision 3.3 specification | ||||
| 4 Tieto základné decké dimensiony upravujú malý štandardný tvar Factor Standard (SFF-8301), ktorý sa nachádza na https://www.snia.org/sff . For connector-related dimensions, pozri SFF-8323. | ||||