 "WD Purple Surveillance 2TB 64 MB Cache 3.5" SATA-III HDD (WD20PURZ)"@en "▷ WD (WD… | OcUK"@en
"2TB Capacity, 3.5 inch, SATA 6Gb/s Interface, 5400RPM Spin Speed, 64MB Cache, 3 Year Warranty."@en 
 "WD Blue WD40EZRZ - hard drive 4 TB SATA 6Gb/s" " WD 6Gb/s Internal Desktop Hard Drives CDW.com
"This hard drive offers stunning capacity and ensures your colors never fade." 