Antec  350 Watt M-ATX Desktop Case NSK1380 (Black/Silver) Antec inc nsk1380 microatx cube case, quiet 80 plus certified 350 watt atx12v 2.01 4 drive bays - 1 x 5.25 external drive bay - up to 3 x 3.5 HDD drive bays Motherboard  fits microatx form factor (9.6 x 9.6 or 24.5cm x 24.5cm) Three-layer side panel (aluminum, plastic, aluminum) dampens system generated noise Includes universal optical drive bay cover