Sliger Designs CX-236-BK 2U case for ATX motherboards. This case features two full height horizontal card slots, four hard drive bays with removable trays, three cooling fans, and internal power cable routing. This case comes with the mounting ears for 19-inch rackmounting. This case does not come with a power supply. This case requires some form of hot-swap power supply (not included) but there is enough room in this case to easily mount a standard rackmount power supply. Demensions for this unit are: 15"x21"x3.5"