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Silver 3.5 inch SATA hard drive bare circuit board visible

Western Digital

Western Digital WD40EZRX 4TB 5400RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive

SKU CH-V3FE-3KG1Y MPN WD40EZRX

A 4TB SATA 6.0Gb/s 3.5" desktop drive with 64MB cache and IntelliPower for cool, quiet operation

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity4TB
  • RPMIntelliPower
  • Cache64MB
  • FeaturesCool and quiet -WD GreenPower Technology yields lower operat

Options 4TB

  • 4TB capacity stores large media libraries
  • IntelliPower variable speed balances performance with efficiency
  • 64MB cache accelerates frequent data access
  • SATA 6.0Gb/s interface enables fast transfer rates
  • GreenPower technology runs cool and quiet for reliable operation

Capacity and interface

This Western Digital WD40EZRX is a 4TB 3.5-inch desktop hard drive that connects through a SATA 6.0Gb/s interface. It uses IntelliPower variable-speed technology and a 64MB cache to deliver cool, quiet operation for bulk storage.

Compatibility checks

Verify that your system has a free 3.5-inch drive bay and an available SATA data port on the motherboard or controller. Ensure the power supply includes a spare SATA power connector for the drive. Confirm the operating system supports volumes of this capacity.

Upgrade perspective

The drive replaces smaller-capacity SATA mechanical disks when more space is needed for media libraries, backups or archival data. The jump is worth it when current storage is full and the priority is low noise and reduced power draw over maximum throughput.

Helstu kostir

  • 4TB capacity stores large media libraries
  • IntelliPower variable speed balances performance with efficiency
  • 64MB cache accelerates frequent data access
  • SATA 6.0Gb/s interface enables fast transfer rates
  • GreenPower technology runs cool and quiet for reliable operation

Tæknilýsing

BrandWD
SeriesGreen
ModelWD40EZRX
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity4TB
RPMIntelliPower
Cache64MB
FeaturesCool and quiet
-WD GreenPower Technology yields lower operating temperatures for increased reliability and low acoustics, perfect for ultra-quiet PCs and external drives.
Reduced power consumption
-Best-in-class power management technology delivers significant power savings and solid performance.
Innovative design
-WD Green drives are innovatively designed and manufactured with lead-free, conflict-free and halogen-free materials.
IntelliSeek
-Calculates optimum seek speeds to lower power consumption, noise and vibration.
NoTouch Ramp Load technology
-The recording head never touches
Form Factor3.5"
Sendingarþyngd0.69 kg
Stærð sendingar159 × 133 × 48 mm

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Does the bare drive ship with cables or mounting hardware?

The WD40EZRX is supplied as a bare drive only; SATA data and power cables plus 3.5" mounting screws must be sourced separately.

Should I choose the 4TB 5400RPM model or a smaller capacity for quieter operation?

IntelliPower keeps the 4TB Green drive cool and quiet at 5400RPM, so capacity does not increase noise — pick 4TB when you need the space.

Will the SATA 6.0Gb/s interface actually deliver 6.0Gb/s throughput in my desktop?

The drive supports the 6.0Gb/s SATA link, but real-world transfer rates are limited by the 5400RPM platters and 64MB cache, not the interface ceiling.

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