The Computer Daily

Western Digital 4TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD40EFAX

This NAS hard dirve is a great solution for a small nas, or a large nas. Just get however many of these drives you need, and youl have yourself a fast, reliable high capacity storage soulotion.

About this item Available in capacities ranging from 2-6TB with support for up to 8 bays 5400RPM performance class NASware firmware for compatibility NAS systems with daily workloads associated with personal and home office environments and idle time available to perform necessary background operations Supports up to 180 TB/yr Workload Rate Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)) 3-year limited warranty

The about this item info is from amazon.com and affilites.