 "WD Gold Datacenter Hard Drive WD6002FRYZ - hard drive 6 TB SATA 6Gb/s" " WD 6Gb/s Enterprise Drives CDW.com
"With up to ten times the workload capacity of desktop drives, WD Gold hard drives employ advanced technology to deliver among the best in reliability, capacity, power efficiency and performance. Designed for a multitude of Datacenter-specific applications, WD Gold hard drives are perfect for high-availability server and storage arrays that demand the most robust storage device." 
 " WD Red 6TB NAS Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch WD60EFRX "@en-US "WD | 5 Free
"WD Red is the only hard drive designed for NAS systems that have 1-5 drive bays. Available in captivities ranging from 1 TB to 6 TB, WD Red is designed specifically for home and small office NAS systems. The drives are extensively tested for compatibility and reliability in the demanding operating environment of a 24x7 NAS system. WD's exclusive NASware firmware technology enables seamless integration and balanced performance. Innovative technology reduces power consumption and lowers the operating temperature, and with a 35% improvement in MTBF over desktop drives, WD Red is a more reliable and robust NAS hard drive solution. "@en-US 
 Item Weight 1.66 pounds Item Size 4 x 1 x 1 inches Package Weight 1.72 pounds Package Size 6.85 x 2.68 x 2.68 inches Units in Package 1