Seagate Exos X18 18TB HDD 3.5″ SATA 6Gb/s 256MB Cache, RPM 7200

Market-leading 18 TB HDD offering the highest capacity available for more petabytes per rack
Highly reliable performance with enhanced caching, making it the logical choice for cloud data centre and massive scale-out data centre applications
Hyperscale SATA model tuned for large data transfers and low latency

Mean Time Between Failures (MTBF, hours)2,500,000
Reliability Rating @ Full 24×7 Operation (AFR)0.35%
Non-recoverable Read Errors per Bits Read1 sector per 10E15
Power-On Hours per Year (24×7): 8,760
512e Sector Size (Bytes per Sector): 512

Performance
Spindle Speed (RPM): 7,200 RPM
Interface Access Speed (Gb/s): 6.0, 3.0
Max. Sustained Transfer Rate OD (MB/s, MiB/s): 270/258
Random Read/Write 4K QD16 WCD (IOPS): 170/550
Average Latency (ms): 4.16
Interface Ports: Single
Rotation Vibration @ 20-1500 Hz (rad/sec²): 12.5