Твърд диск 18TB, Seagate Exos X20, SAS 12Gb/s, 7200 rpm, 256MB кеш, 3.5" (8.89 cm)

Specifications

Type: 12 Gb/s SAS
Capacity: 18 TB

Features
Helium Sealed-Drive Design: Yes
Conventional Magnetic Recording (CMR): Yes
Protection Information (T10 DIF): Yes
SuperParity: Yes
Low Halogen: Yes
PowerChoice™ Idle Power Technology: Yes
PowerBalance™ Power/Performance Technology: Yes
Hot-Plug Support: Yes
Cache, Multi-segmented (MB): 256
Organic Solderability Preservative: Yes
RSA 3072 Firmware Verification (SD&D): Yes

Reliability/Data Integrity
Mean Time Between Failures (MTBF, hours): 2,500,000
Reliability Rating @ Full 24×7 Operation (AFR): 0.35%
Non-recoverable Read Errors per Bits Read: 1 sector per 10E15
Power-On Hours per Year (24×7): 8,760
512e Sector Size (Bytes per Sector): 512, 520, 528
4Kn Sector Size (Bytes per Sector): 4,096, 4,160, 4,224

Performance
Spindle Speed (RPM): 7,200 RPM
Interface Access Speed (Gb/s): 12.0, 6.0, 3.0
Max. Sustained Transfer Rate OD (MB/s, MiB/s): 285/272
Random Read/Write 4K QD16 WCD (IOPS): 168/550
Average Latency (ms): 4.16
Interface Ports: Dual
Rotation Vibration @ 20-1500 Hz (rad/sec²): 12.5

Power consumption
Idle A (W) Average: 5.8 W
Max Operating, Random Read/Write 4K/16Q (W): 9.8, 7.0
Power Supply Requirements: +12 V and +5 V

Environmental
Temperature, Operating (°C): 5°C – 60°C
Vibration, Non-operating: 2 to 500 Hz (Grms): 2.27
Shock, Operating 2 ms (Read/Write) (Gs): 40
Shock, Non-operating 2 ms (GS): 200

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