WD Red 4TB 3.5 Inch NAS Internal Hard Drive - 5400 RPM - WD40EFAX

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Browse: Hard Disk Drives (HDD) 4TB drives

WD Red 4TB 3.5 Inch NAS Internal Hard Drive - 5400 RPM - WD40EFAX

HDD 3.5" 4 TB New

£288.49

£72.12 / TB

Buy now on Amazon.co.uk

Affiliate link. Price shown is the latest we recorded — always check the live price on Amazon.

Price history

Full Amazon / New / Used price history, last 12 months. Source: Keepa.

Price insights

£288.49Current price

Averages — arrows compare the current price to each average (▲ above / ▼ below).

£288.5730-day average

▼ 0.0%

£293.0090-day average

▼ 1.5%

£271.76180-day average

▲ 6.2%

£216.73365-day average

▲ 33.1%

Lows & highs

£68.40All-time low · 19 Nov 2021

£344.90All-time high · 14 Aug 2026

£102.0012-month low · 19 Oct 2025

£344.9012-month high · 14 Aug 2026

Popularity on Amazon

#96,111Amazon bestseller rank (main category)

Description

Specifically designed for use in NAS systems with up to 8 bays

Supports up to 180 TB/yr workload rate* |Workload Rate is annualized (TB transferred times (8760/recorded power-on hours)), workload rate will vary depending on your hardware and software components and configurations

NASware firmware for compatibility

Small and home office NAS systems in a 24/7 environment

3-year manufacturer's limited warranty

Note: The always-on environment of a NAS or RAID is a hot one, and desktop drives aren’t typically designed and tested under those conditions like WD Red