We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Silver 3.5 inch bare hard drive with green label

Western Digital

Western Digital WD30EZRX 3TB 3.5" SATA 6.0Gb/s 64MB Cache internal hard drive

SKU CH-40CJ-WAKZJ MPN WD30EZRX

3 TB desktop drive with SATA 6.0Gb/s interface, 64 MB cache and IntelliPower speed for cool, quiet operation

  • Total capacity3 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speedIntelliPower
  • Cache memory64 MB

Capacity 3TB

  • 3 TB capacity stores large media libraries and backups
  • Cool, quiet operation suits low-noise desktop builds
  • Reduced power consumption lowers running costs and heat output
  • 64 MB cache speeds up frequent file access
  • SATA 6.0 Gb/s interface fits standard 3.5" drive bays

3TB SATA desktop drive

The Western Digital WD30EZRX is a 3TB 3.5" internal hard drive with a SATA 6.0Gb/s interface and 64MB cache. It uses IntelliPower spindle speed for cool, quiet operation and reduced power consumption. The drive suits daily computing workloads in standard desktop bays.

Upgrade from smaller mechanical disks

Replacing a lower-capacity 3.5" SATA drive with this 3TB model adds substantial space without changing cables or mounting points. The jump is worthwhile when existing storage is full and the system only supports SATA interfaces. It does not suit builders who need faster access times or solid-state responsiveness.

3TB capacity for bulk data

The 3TB capacity comfortably holds large media libraries, backups and archival files. Sequential throughput is limited by the SATA 6.0Gb/s link and mechanical latency, so random I/O heavy tasks such as database work or OS boot will run out of headroom quickly. Drives may show up to 25 bad sectors and carry DoD 5220.22 M erase verification.

How it compares

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

Price $110.99
Typical for this category: the median of 4,938 items is $107.99.
Total capacity 3 TB
Higher than about 60% of the 2,372 comparable items (median 2 TB).
Price per TB $37.00 per TB
Cheaper than about 74% of the 2,365 comparable items (median $62.21 per TB).

New to this? Paying with USDT: TRC-20 or ERC-20 — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameWD
Product lineGreen
Model nameWD30EZRX
Total capacity3 TB
Recommended useFor Daily Computing
Performance
Rotational speedIntelliPower
Storage
Cache memory64 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 weight0.63 kg
Package size147 × 102 × 25 mm

Other versions of this model

3 more in the same range

Questions about this item

What are the exact dimensions of the 3.5" WD30EZRX so I can confirm it fits my drive bay?

The drive measures 26.10 mm in height, 101.60 mm in width and 147.00 mm in length, matching the standard 3.5" form factor.

Which cables and jumpers are required to install the SATA 6.0Gb/s WD30EZRX, and what is the common mistake?

Connect a standard SATA data cable and a SATA power connector; no jumpers are needed. The frequent error is forgetting to seat the data cable firmly on both the drive and motherboard.

How often should I check the WD30EZRX for bad sectors after the DoD 5220.22 M erase?

Run a full surface scan once after installation to verify the media, then schedule a check every six months; the drive may contain up to 25 bad sectors from prior use.

More in 3.5-Inch Internal Desktop HDDs

Similar items