Desktop drives aren't typically tested or designed for the rigors of a NAS system. Do right by your NAS and choose the drive with an array of features to help preserve your data and maintain optimum performance. WD Red drives with NASware 3.0 technology are purpose-built to balance performance and reliability in NAS and RAID environments. The always-on environment of a NAS or RAID is a hot one. WD Red drives are engineered to run cool and quiet while offering optimum compatibility for demanding 24x7 environments.