My cloud ex2 ultra 8gb 2 bay nas product specifications average latency na average read seek na battery yes cachebuffer na data transfer rate na disk capacity 8 tb drive bays 2 interfaces usb 30 x 2 gigabit ethernet power supply dc in memory 1 gb ddr3 processor marvell armada 385 dual core 13 ghz rotational speed na tape drive na write speed na product dimensions height 675 in 17145 mm lengthdepth 610 in 15494 mm