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Silver 3.5-inch SATA hard drive with gold label

Western Digital

Western Digital WD103KRYZ 10TB 7200 RPM 512MB cache 3.5" SATA internal hard drive

SKU CH-VTTQ-29MBH MPN WD103KRYZ

Enterprise-class 3.5-inch SATA hard drive delivering 10TB capacity at 7200 RPM with 512MB cache for demanding storage workloads

  • Total capacity10 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 10TB

  • 10TB capacity stores massive enterprise datasets
  • 7200 RPM spindle delivers sustained throughput for heavy workloads
  • 512MB cache accelerates frequent read/write operations
  • 5M hours MTBF rating ensures long-term reliability
  • 5-year limited warranty protects your investment

Enterprise Storage Drive

The Western Digital WD103KRYZ is a 10TB 3.5-inch internal hard drive built for enterprise storage systems and data centres. It spins at 7200 RPM with a 512MB cache and connects through a SATA 6.0Gb/s interface. The Gold series is rated for up to 2.5M hours MTBF and carries a 5-year limited warranty.

Standard SATA Installation

Installation follows the usual 3.5-inch SATA pattern: secure the drive in a compatible bay, attach the data cable to a SATA 6.0Gb/s port and connect the power lead. The drive measures 147.00mm long, 101.60mm wide and 26.10mm high, so the mounting cage must accept those maximum dimensions. Enterprise firmware may require a controller that supports TLER or equivalent error-recovery settings; without it the drive can drop from a RAID array during prolonged rebuilds.

Sustained Workload Behaviour

The drive is engineered for the highest workload and reliability ratings in the Western Digital portfolio, targeting continuous operation rather than burst transfers. In sustained write scenarios the 512MB cache absorbs incoming streams before flushing to the 7200 RPM platters, keeping throughput steady across the 10TB capacity. Heat output rises with constant duty cycles, so adequate chassis airflow is needed to maintain the specified operating envelope over the 5-year warranty period.

How it compares

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

Price $437.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 10 TB
Higher than about 85% of the 2,372 comparable items (median 2 TB).
Price per TB $43.80 per TB
Cheaper than about 67% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWD
Product lineGold
Model nameWD103KRYZ
Total capacity10 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 weight0.82 kg
Package size183 × 127 × 56 mm

Other versions of this model

5 more in the same range

Questions about this item

How can I verify the drive is spinning at 7200 RPM after installation?

Use SMART monitoring software such as CrystalDiskInfo to confirm the reported rotation speed shows 7200 RPM and that the SATA interface negotiates at 6.0 Gb/s.

What accessories are included in the box and what must I supply?

The drive ships alone in retail or OEM packaging; you must provide a SATA data cable, a SATA power connector and four 3.5-inch mounting screws.

Which capacity should I choose from the Gold series for a RAID array needing maximum workload rating?

Select the 10TB model if that capacity fits your array; the series scales to 26TB and every capacity carries the same 2.5M-hour MTBF and enterprise workload rating.

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