MVP OF NAS WD Red hard disk drive is a high-performance NAS storage solution. It offers a wide array of capacity options from 1TB to 10TB and is specifically designed for NAS systems with up to eight bays in 3.5-inch form factors. With its superior compatibility and around-the-clock reliability, you're ready for whatever comes next. The Drive for NAS 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. Built for NAS Compatibility WD Red drives with NASware 3.0 technology are purpose-built to balance performance and reliability in NAS and RAID environments. Keep it Cool 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 deman model : WD60EFAX - WD60EFRX tag : Internal Hard Drives