Lowest per TB · Lowest priceSeagate BarraCuda 6 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256 MB Cache for Computer Desktop PC (ST6000DM003)
Seagate·6TB
£189.00
£31.50/TB per TB
Compare the best 6TB hard drives deals available in the UK. We track prices daily from Amazon to help you find the lowest price per terabyte on 6TB hard drives.
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 6TB 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.
Amazon
Most popularSeagate IronWolf 6TB, Internal NAS HDD, CMR 3.5 Inch, SATA 6GB/s, 5400 RPM, 256MB Cache for RAID NAS, Data Rescue Services, Frustration Free Packaging (ST6000VNZ06)
Seagate·6TB
£235.00
£39.17/TB per TB
Shop by capacity
Loading products...