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Silver 3.5-inch hard drive with green circuit board visible on underside

Western Digital

Western Digital WD161KRYZ 16TB 7200 RPM SATA 3.5" internal hard drive

SKU CH-NJNN-FGVEG MPN WD161KRYZ

Enterprise-class 16 TB SATA hard drive with 7200 RPM, 512 MB cache and 2.5M-hour MTBF for data-centre workloads

  • Total capacity16 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory512 MB
  • Max height26.1 mm

Capacity 16TB

  • 16TB capacity stores massive datasets
  • 7200 RPM spindle delivers fast sequential throughput
  • 512MB cache absorbs burst I/O workloads
  • 5M hour MTBF rating signals enterprise-grade reliability
  • SATA 6.0Gb/s interface integrates with standard servers

WD Gold 16TB Enterprise SATA HDD

The Western Digital WD161KRYZ is a new 16TB 3.5-inch internal hard drive built for enterprise storage systems. It spins at 7200 RPM and uses a SATA 6.0Gb/s interface with a 512MB cache to handle demanding workloads. The Gold series is rated for up to 2.5M hours MTBF and includes vibration protection for multi-drive environments.

Suited for servers and arrays needing

This drive fits administrators filling rackmount chassis or NAS units where sustained write performance and endurance matter. It is not for builders who need the low latency of solid-state storage or the compact M.2 form factor for space-constrained laptops. Buyers wanting portable external backup should also consider a different form factor.

SATA 6.0Gb/s interface

Your backplane or controller must support the SATA 6.0Gb/s standard and accept a 26.10mm high, 101.60mm wide, 147.00mm long drive bay. Verify these physical and electrical requirements before purchase.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $513.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 16 TB
Higher than about 92% of the 2,372 comparable items (median 2 TB).
Price per TB $32.12 per TB
Cheaper than about 80% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWD
Product lineGold
Model nameWD161KRYZ
Total capacity16 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Storage
Cache memory512 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.1 mm
Maximum width101.6 mm
Maximum length147 mm
Shipping weight1.13 kg
Package size196 × 152 × 76 mm

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