 "Western Digital Red PRO 4TB 3.5 inch NAS Enterprise Hard Drive WD4002FFWX"@en WD4002FFWX LN72269 | SCAN UK"@en
"4TB WD Red Pro WD4002FFWX, 3.5" NAS HDD, SATA III - 6Gb/s, 7200rpm, 128MB Cache, NCQ                    "@en 
 "Western Digital Red 1 TB Internal HDD" " Western HDD - WD10EFRX Desktop Hard Drives CDW.com
"WD's exclusive NASware technology, built into every WD Red hard drive, improves NAS storage performance by reducing common hard drive concerns in NAS systems including concerns for things like compatibility, integration, upgradeability, reliability and cost of ownership that are experienced with a hard drive designed for desktop computers." 