Overview:
Western Digital WD20EFRX is a hard disk drive designed for internal use in desktop computers and network-attached storage devices. It is a large form factor (LFF) hard disk drive that has a storage capacity of 2 terabytes (TB) and spins at 5400 revolutions per minute (RPM). It is equipped with a 65-megabyte (MB) buffer and uses the Serial Advanced Technology Attachment-SATA interface with a transfer rate of 6 gigabits per second (Gbps).