 "WD Gold Datacenter Hard Drive WD101KRYZ - hard drive 10 TB SATA 6Gb/s" " WD 6Gb/s Enterprise Drives CDW.com
"WD Gold hard drives employ advanced technology to deliver great 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 robust storage device." 
 "WD Blue 4TB 5400rpm SATA 6Gb/s 64MB Cache HDD (WD40EZRZ)"@en "▷ WD (WD40EZRZ) | OcUK"@en
"4TB Capacity, 3.5 inch, SATA 6Gb/s Interface, IntelliPower 5400rpm Spin Speed, 64MB Cache, 2 Year Warranty."@en 