Western Digital WD Red NAS Hard Drive 4TB SATA 5400 rpm 6 Gb/s

The right choice for NAS, no other drive is designed specifically for home and small office NAS systems and PCs with RAID.

WD40EFRX SATA 6 Gb/s 3.5 Inch IntelliPower 4 TB 64 MB

All the pictures are for illustration purposes only, specifications subject to change without notice