From £18.75/TB·2,300 products·Updated 26 Jul 2026
29 products · Prices updated 26/07/2026
4TB external hard drives are great for media enthusiasts and anyone who needs substantial portable storage. Available in both portable 2.5-inch and desktop 3.5-inch formats, they provide excellent value for backing up multiple computers.
All prices are tracked daily from Amazon UK. Use the filters to narrow by brand and condition. Sorted by price per terabyte for the best value 4TB external hard drives.
As an Amazon Associate we earn from qualifying purchases. Prices shown are from Amazon UK in GBP and were accurate as of 26 July 2026; they are subject to change. The price and availability shown on Amazon at the time of purchase is the one that applies.
Toshiba·4TB
Seagate·4TB