Performance-minded PC users frequently want both a fast solid-state drive for crucial apps and a regular hard disk for everything else, but that's not always feasible in the tight space of a laptop. Western Digital is making that two-drive option a practical reality through its new Black2. The design puts both a 120GB SSD and a 1TB spinning disk into a single 2.5-inch SATA enclosure, offering more speed and capacity than you'd find in a typical
