Western Digital WD 3TB WD30EURS 3.5" SATA 7200 RPM AV-GP 3.5" SATA Hard Disk Drive.
Speed: 6Gb/s 64MB Cache
The Western Digital WDWD30EURS model internal hard drive has a 3.5 inch
form factor and a 6Gb/s external data transfer rate. It has a spindle
speed of up to 7200 rpm and a 3 TB capacity.