Lenovo 4XH7A08770 storage drive enclosure HDD enclosure Metallic 3.5"

Models without any drive bays that are based on the 12x 3.5" chassis (feature code AV0Q) include the Right EIA Latch with FIO (USB ports, status LEDs, and a power button). These models support adding drive bays by using the 3.5" 8-drive backplane kit (4XH7A08770) or 3.5" 12-drive backplane kit (4XH7A08771).