 "WD Red NAS 3.5" Internal HDD SATA 6Gb/s, 1TB"@en 6Gb/s 1TB - WD | CPC "@en
"High capacity 3.5" hard drive that has been designed and extensively tested for the demanding system requirements of home and small office NAS applications in 24/7 operating environments."@en 
 "Western Digital Black 1 TB Internal HDD" " Western HDD - WD1003FZEX Enterprise Hard Drives CDW.com
"This WD Black drive delivers improved performance that heightens the experience in your PC playground. This performance drive offers enhanced features over the previous generation to maximize system performance, allowing you to have more fun creating while spending less time waiting." 