SILICON POWER Armor A66 4TB External Hard Drive

3.3 11 ratings

HDD External 4 TB New

£466.97

£116.74 / TB

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.

£466.97Current price

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

£463.0330-day average

▲ 0.9%

£459.9190-day average

▲ 1.5%

£441.26180-day average

▲ 5.8%

£428.08365-day average

▲ 9.1%

£108.05All-time low · 1 Jul 2023

£466.98All-time high · 31 Jul 2026

£178.5312-month low · 21 Oct 2025

£466.9812-month high · 31 Jul 2026

#427,730Amazon bestseller rank (main category)

Plug it into your PC and use it directly, no external power supply required

Monitoring devices

Military Grade Impact Resistant Drive (Pass MIL-STD 810G 516.6 IV Drop Test)

TV Networks

Computer equipment

The cable can be stored in the main unit, preventing the cable from being lost

IPX4 waterproof performance, protect your drive from splashing water