Seagate Exos X20 ENTERPRISE 512E/4KN INTERNAL 3.5′ SATA DRIVE, 20TB, 6GB/S, 7200RPM, 5YR WTY | ST20000NM007D

Seagate Exos X20 ENTERPRISE 512E/4KN INTERNAL 3.5′ SATA DRIVE, 20TB, 6GB/S, 7200RPM, 5YR WTY

Scalable hyperscale applications/cloud data centers
Massive scale-out data centers
Big data applications
High-capacity density RAID storage
Mainstream enterprise external storage arrays
Distributed file systems, including Hadoop and Ceph
Enterprise backup and restore—D2D, virtual tape
Centralized surveillance

Specifications
Capacity 20 TB
Helium Sealed-Drive Design Yes
SuperParity Yes
Low Halogen Yes
PowerChoice™ Technology Yes
PowerBalance Technology Yes

Cache, Multi-segmented (MB) 256
Mean Time Between Failures (MTBF, hours) 2,500,000
Reliability Rating @ Full 24×7 Operation (AFR) 0.35%
Nonrecoverable Read Errors per Bits Read 1 sector per 10E15

Power-On Hours per Year 8,760
512e Sector Size (Bytes per Sector) 512
4Kn Sector Size (Bytes per Sector)
4096
Warranty, Limited (years) 5
Spindle Speed (RPM) 7,200
Height (in/mm, max) 1.028 in/26.11 mm
Width (in/mm, max) 4.01 in/101.85 mm
Depth (in/mm, max) 5.787 in/147 mm
Weight (lb/g) 620 g/1.37 lb

Product Last Updated: 11/12/2025

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