Material 7mm aluminum front panel, 0.8mm steel body Motherboard Mini-DTX, Mini-ITX Drive bay External 9.5mm/12.7mm slim slot-loading optical drive x 1 (replaceable with 3.5" HDD x 1 or 2.5" HDD x 2 or 120mm fan x 1) None Internal 2.5" x 4 Cooling system Front -- Rear -- Side 2 x 80mm fan slot Top 1 x 120mm fan, 1500rpm, 18dBA Bottom -- Internal -- Expansion slot 2 Front I/O port USB 3.0 x 2 audio x 1 MIC x 1 Power supply 1 x Optional standard SFX Expansion card Single or dual slot low profile up to 6.9" (175mm), width restriction-2.95" (74mm) Limitation of CPU cooler 37-70mm (variable based on use of multipurpose bracket) Extra support Kensington lock Item Dimension (L"xW"xH") 16 x 11 x 6 Weight 8.00 LB Warranty Information 1 Year Parts and Labor