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Standard 3.5 inch internal hard drive with silver metal casing

Western Digital

Western Digital WD30EFRX 3TB SATA 6.0Gb/s 5400RPM 256MB 3.5" internal hard drive

SKU CH-H60C-QCTBG

A 3 TB, 3.5-inch internal hard drive with a 6.0 Gb/s SATA interface, 5400 RPM spindle speed and 256 MB cache for desktop storage

  • Total capacity3 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed5,400 RPM
  • Cache memory256 MB
  • 3 TB capacity stores large media libraries
  • SATA 6.0 Gb/s interface enables fast data transfer
  • 256 MB cache improves read and write responsiveness
  • Designed for 24/7 NVR operation with vibration tolerance
  • 5 inch form factor fits standard desktop drive bays

3 TB SATA desktop drive

The Western Digital WD30EFRX is a 3.5 inch internal hard drive with a 3 TB capacity and a SATA 6.0Gb/s interface. It is built for desktop systems that need large, reliable storage for everyday files and backups. The 5400 RPM spindle speed and 256 MB cache support steady data throughput. This drive suits users who prioritise capacity over peak speed.

Thermals noise and power in normal use

Designed for continuous operation, the drive handles the heat fluctuations and equipment vibrations found in always-on environments such as NVR systems. Average desktop drives are built for short intervals, whereas this model is engineered for 24/7 workloads. The lower spindle speed helps keep operating temperatures and acoustic output modest during typical daily use. Power draw remains consistent with standard 3.5 inch SATA drives.

Behaviour under sustained load

The firmware and mechanical design are tuned for long-duration writing rather than short bursts, making it suitable for surveillance recording and similar constant-write tasks. Extended workloads do not push the drive beyond its thermal comfort zone because the 5400 RPM motor generates less heat than faster alternatives. Cache management keeps write streams stable over many hours. Users needing maximum random-access performance for databases or heavy multitasking should consider drives with higher spindle speeds.

How it compares

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

Price $119.99
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 $40.00 per TB
Cheaper than about 70% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWestern Digital
Part numberWD30EFRX
Total capacity3 TB
Performance
Rotational speed5,400 RPM
Storage
Cache memory256 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

How do I install the WD30EFRX 3TB SATA drive and what step is often missed?

Mount the 3.5" drive in a bay, connect the SATA 6.0Gb/s data and power cables, then initialise the 3TB volume in Disk Management — the step often missed is creating a partition before formatting.

What maintenance will the WD30EFRX need for 24/7 NVR use?

No routine maintenance is required; keep the enclosure ventilated to manage heat fluctuations and run SMART checks periodically to monitor the 5400 RPM drive's health.

What limit appears first during sustained 24/7 recording on this drive?

The 5400 RPM spindle speed and 256MB cache set the sustained write throughput ceiling, which becomes the bottleneck before the 3TB capacity fills.

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