Click or scroll to zoom Tap or pinch to zoom 4TB Red Pro NAS HD SATA 6Gb by WD Bulk $289.99 SKU WD4003FFBXSP 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Red Pro NAS Hard Drive WD4003FFBX - hard drive - 4 TB - SATA 6Gb/s Specs. 3.5-inch form factor. 217 MB/s. 7200 RPM Class. SINGLE PACK