Detail overview General Information: Manufacturer: Western Digital Corporation Manufacturer Website Address: Www.wdc.com Manufacturer Part Number: WD202KRYZ Product Line: Wd Gold Product Name: Wd Gold 20tb Hard Drive Key Features : Capacity : 20 Tb Drive Dimensions : 3.5 Inch Interface : Sata 6 Gb/s 512n / 512e User Sectors Per Drive : 512e Optinand™ Technology : Yes Rohs Complian : Yes Drive Performance : Interface Transfer Rate (max) : 6 Gb/s Sustained Transfer Rate : 291 Mbps Cache : 512 Mb Spindle Speed : 7200 Rpm Physical : Height : 26.1 Mm Dimensions ( W X D) : 101.6 X 147 Mm Weight : 670 G Condition : Brand New With Mfg Warranty. Availability : In Stock. Server Supply Warranty : 30 Days.