Hard Drive, 8TB, SATA 6Gb/s Interface, 3.5in Form Factor, 198MBps Data Transfer, 256MB Buffer Size, 5400rpm, 4 WD x 5.787 LG x 1.028in HT, 0 to 65C Operating, Native Command Queuing (NCQ), 0.8W Standby, RoHS 2011/65/EU