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3.5 inch bare hard drive green label SATA connector visible

Western Digital

Western Digital WD20EADS 2TB 32MB Cache SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-HEM7-AHXHW MPN WD20EADS

A 2TB 3.5" desktop drive with 32MB cache and a SATA 3.0Gb/s interface, designed for reduced power consumption

  • Total capacity2 TB
  • Interface typeSATA 3.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Cache memory32 MB
  • Key featuresReduced power consumption - WD has reduced power consumption
  • 2 TB capacity stores large media libraries
  • 32 MB cache speeds up frequent data access
  • SATA 3.0 Gb/s interface enables fast transfers
  • IntelliSeek and NoTouch cut power use by 40 percent
  • Erased to DoD 5220.22 M standard for data security

What this drive is and who it suits

The Western Digital WD20EADS is a 2TB 3.5-inch desktop hard drive with a SATA 3.0Gb/s interface and 32MB cache. It belongs to the WD Green series and uses IntelliSeek, NoTouch and IntelliPower technologies to reduce power consumption by up to 40 percent. The drive is sold new as a bare unit without cables or brackets. It is intended for bulk storage such as media libraries, documents and system backups in a desktop PC.

What to verify before ordering

Confirm that your motherboard or controller provides a free SATA port and that your power supply has an available SATA power connector. The drive requires a standard 3.5-inch drive bay and mounting screws. Because it is a bare drive, no formatting or partitioning has been performed; you will need to initialise it in your operating system before use. Ensure your system BIOS or UEFI recognises drives of this capacity.

Thermals noise and power draw

The Green series technologies aim to keep the drive cool and quiet during typical desktop workloads. Reduced power consumption means less heat output compared to standard desktop drives of the same era. Acoustic levels remain low for background storage tasks. The drive has been erased to DoD 5220.22 M standard and tested good; up to 25 bad sectors may be present.

How it compares

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

Price $75.99
Cheaper than about 61% of the 4,938 comparable items (median $107.99).
Total capacity 2 TB
Typical for this category: the median of 2,372 items is 2 TB.
Price per TB $38.00 per TB
Cheaper than about 72% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWestern Digital
Product lineWD Green
Model nameWD20EADS
Total capacity2 TB
Storage
Cache memory32 MB
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight1.36 kg
Package size152 × 102 × 26 mm

Questions about this item

Does the WD20EADS arrive as a bare drive or with cables and mounting hardware?

The WD20EADS is supplied as a bare drive only; no SATA data cable, power adapter, screws or mounting brackets are included.

Should I choose the 2TB WD Green model or a higher-capacity version for a desktop storage upgrade?

This listing offers a single 2TB capacity; there is no higher-capacity variant of the WD20EADS to select.

What real-world throughput can I expect from the 3.0Gb/s SATA interface once the drive is installed?

The SATA 3.0Gb/s link caps burst transfers at 3.0Gb/s; sustained read and write speeds will be lower and depend on the system and workload.

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