The WD Red Plus SATA internal hard drive is thoughtfully built to meet the demands of NAS environments. Its new NASware technology optimizes the drive's performance to effortlessly deal with NAS system workloads. The 8TB storage capacity provides enough space for storing a large volume of data, and 5, 640rpm allows for improved performance. | WD Red Plus 8TB 5640RPM SATA Internal NAS Hard Drive (WD80EFPX)