Western Digital HDD WD20EFRX 2TB SATA Red Desktop 64MB Cache Bare Drive

Marketing Information
WD Red: NAS Hard Drive
WD Red is the only hard drive designed for NAS systems that have 1-5 drive bays. The drives are designed and extensively tested for compatibility in the unique 24x7 operating environment and demanding system requirements of home and small office NAS.
NAS compatibility
WD eliminates the confusion. WD Red is the only hard drive designed for NAS systems that have 1 to 5 drive bays. The drives are designed and extensively tested for compatibility in the unique 24x7 operating environment and demanding system requirements of home and small business NAS.