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Silver 3.5-inch bare SATA hard drive with green circuit board visible

Western Digital

Western Digital WD20EZAZ 2TB 3.5" 5400 RPM 256MB SATA internal hard drive

SKU CH-K4E7-2X2QV MPN WD20EZAZ

A 2 TB 3.5" desktop hard drive with 5400 RPM and 256 MB cache for everyday computing

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity2TB
  • NAND Flash Memory TypeHard Drive
  • RPM5400 RPM
  • Cache256MB
  • 2 TB capacity stores large media libraries
  • 256 MB cache speeds up frequent file access
  • SATA 6.0 Gb/s interface fits standard desktop bays
  • 5400 RPM spindle balances quiet operation and throughput
  • 5 inch form factor installs in any desktop chassis

2TB SATA desktop drive

This 3.5-inch internal hard drive provides 2TB of storage for everyday desktop workloads. It spins at 5400 RPM and connects through a SATA 6.0Gb/s interface. The drive is built for daily computing tasks such as document storage, media libraries and backups.

Free cloning software included

The package includes a licence for Acronis True Image WD Edition, which lets you clone an existing drive onto this unit without purchasing additional software. This simplifies migration when replacing an older drive or moving to a larger capacity. No extra cables or mounting hardware are supplied with the bare drive.

256MB cache improves burst throughput

A 256MB cache buffers frequent read and write operations, helping the drive handle mixed workloads more smoothly than lower-cache models. The 5400 RPM spindle speed keeps noise and power draw modest for desktop use. Builders needing sustained high-speed transfers or enterprise-grade endurance should consider drives specified for those workloads.

Highlights

  • 2 TB capacity stores large media libraries
  • 256 MB cache speeds up frequent file access
  • SATA 6.0 Gb/s interface fits standard desktop bays
  • 5400 RPM spindle balances quiet operation and throughput
  • 5 inch form factor installs in any desktop chassis

Specifications

BrandWD
SeriesBlue
ModelWD20EZAZ
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity2TB
NAND Flash Memory TypeHard Drive
RPM5400 RPM
Cache256MB
FeaturesReliable everyday computing
Western Digital quality and reliability
Free Acronis True Image WD Edition cloning software
Massive capacity up to 6TB
UsageFor Daily Computing
Form Factor3.5"
Height (maximum)26.10mm
Width (maximum)101.60mm
Length (maximum)147.00mm
Shipping weight0.57 kg
Package size224 × 160 × 76 mm

Questions about this item

Will the 256MB cache or the 5400 RPM motor need replacement during the drive's lifespan?

The 256MB cache and 5400 RPM motor are sealed inside the 3.5-inch enclosure and are not user-serviceable parts.

Which limit appears first during sustained writes — the SATA 6.0Gb/s interface or the 5400 RPM platter speed?

The 5400 RPM platter speed typically limits sustained transfer rates before the SATA 6.0Gb/s interface reaches its ceiling.

How much noise and heat does the 3.5-inch 5400 RPM drive produce when running all day?

The 3.5-inch 5400 RPM design runs quietly with low heat output, suitable for continuous daily computing workloads.

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