WD Red Pro 18TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 512MB Cache

HDD 3.5" 18 TB New

£637.51

£35.42 / TB

down vs 24h ago

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Price history

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

£637.51Current price

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

£601.5830-day average

▲ 6.0%

£547.6690-day average

▲ 16.4%

£495.74180-day average

▲ 28.6%

£449.75365-day average

▲ 41.7%

£289.69All-time low · 1 Apr 2023

£1,188.00All-time high · 5 Jun 2021

£337.8812-month low · 7 Sep 2025

£648.4912-month high · 27 May 2026

Available in capacities ranging from 2 to 22TB(1) | (1) 1GB = 1 billion bytes and 1TB = 1 trillion bytes

Actual user capacity may be less depending on operating environment

For RAID-optimized NAS systems with unlimited number of bays

Rated for 550TB/yr workload rate(2) | (2) Annualized Workload Rate = TB transferred x (8760 / recorded power-on hours)

The maximum rated workload is specified for operating at typical temperature of 40C

Workload Rate will vary depending on your hardware and software components and configurations

Designed to handle the demands of high-intensity 24x7 multi-user NAS environments

Western Digital partners with a wide range of NAS system vendors for extensive testing to ensure compatibility with most NAS enclosures