HGST 0F38357 3.5" 16TB 7.2K RPM 512MB SAS 12Gb/s 512e SE Ultrastar DC HC550 HDD WD WUH721816AL5204 Enterprise Hard Drive


  • 16TB Storage Capacity

  • 3.5" Form Factor

  • SAS-3 12 Gb/s Interface

  • 512MB Cache

  • 7200 rpm

  • Up to 262 MB/s Data Transfer Speeds

  • 2.5 Million Hour MTBF

  • HelioSeal Technology

  • 600,000 Load/Unload Cycles

  • 0.35% Annualized Failure Rate (AFR)

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  • Avaiability In stock
  • SKU 0F38357

•16TB capacity 1 in a standard 3.5-inch form factor
•CMR technology works seamlessly in capacityenterprise applications & environments
•Reliable, field-proven, 5th generation design
•HelioSeal® design delivers outstanding powerefficiency (Watts/TB)
•TDMR and improved dual-stage microactuatorprovide optimal head positioning and rotationalvibration robustness
•2.5M hours MTBF2 rating & 5-year limited warranty
•Self-Encrypting Drive (TCG SED) options

•Cloud & Hyperscale storage
•Massive scale-out (MSO), high-densitydata centers
•Distributed File Systems
•Bulk storage using Object storage solutions likeCEPH™ and OpenStack Swift
•Primary and secondary storage for ApacheHadoop® for Big Data Analytics
•Surveillance analytics

Interface SAS 12Gb/s
Capacity (GB) 16TB
Sector size (variable, Bytes/sector) 512e: 512, 520, 528
Max Areal Density (Gbits/sq. in.) 904
Form Factor 3.5-inch HDD
Data Buffer (MB) 512
Rotational Speed (RPM) 7200
Latency Average (ms) 4.16
Interface transfer rate (MB/sec, max) 1200
Seek time (read, ms, typical) 7.5


Brand Western Digital
Series Ultrastar DC HC550
Model WUH721816AL5204
Packaging OEM Drive
Interface SAS 12Gb/s
Capacity 16TB
RPM 7200 RPM
Cache 512MB
Usage For Enterprise Storage
Form Factor 3.5"
Height (maximum) 26.10mm
Width (maximum) 101.60mm
Length (maximum) 147.00mm

Additional Information
Item Condition Brand New
Brand HGST
MPN 0F38357