WD 4TB Red 5400 rpm SATA III 3.5" Internal NAS HDD Retail Kit

Designed with home and small office/business customers in mind, the 4TB Red 5400 rpm SATA III 3.5" Internal NAS HDD Retail Kit from WD is well-suited for NAS environments with up to eight 3.5" drive bays. Engineered to handle increased workloads, this 4TB drive operates using a SATA III 6 Gb/s interface, a 64MB cache, and a rotational speed of 5400 rpm, all of which help to ensure uninterrupted data transfers with a sustained rate of up to 150 MB/s. This drive also features high levels of reliability, with 600,000 load/unload cycles,