Seagate Exos X20 ST18000NM000D 18TB 3.5" 7200RPM 256MB Cache SAS HDD

Capacity: 18TB
Standard Model FastFormat™ (512e/4Kn): ST18000NM000D
Interface: 12Gb/s SAS
Features:
Helium Sealed-Drive Design: Yes
Conventional Magnetic Recording (CMR): Yes
Protection Information (T10 DIF): Yes
Super Parity: Yes
Low Halogen: Yes
PowerChoice™ Idle Power Technology: Yes
PowerBalance™ Power/Performance Technology: Yes
Hot-Plug Support: Yes
Cache, Multisegmented (MB): 256
Organic Solderability Preservative: Yes
RSA 3072 Firmware Verification (SD&D): Yes
Reliability/Data Integrity:
Mean Time Between Failures (MTBF, hours): 2500000
Reliability Rating @ Full 24×7 Operation (AFR): 0.0035
Nonrecoverable Read Errors per Bits Read: 1 sector per 10E15
Power-On Hours per Year (24×7): 8760
512e Sector Size (Bytes per Sector): 512, 520, 528
4Kn Sector Size (Bytes per Sector): 4096 , 4160 , 4224
Limited Warranty (years): 5
Performance:
Spindle Speed (RPM): 7200RPM
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: 5.8W
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, Nonoperating: 2 to 500Hz (Grms): 2.27
Shock, Operating 2ms (Read/Write) (Gs): 40
Shock, Nonoperating 2ms (Gs): 200
Physical:
Height (in/mm, max): 1.028in/26.1mm
Width (in/mm, max): 4.010in/101.85mm
Depth (in/mm, max): 5.787in/147.0mm
Weight (gm/lb): 670g/1.477lb