Motherboard ATX, #ATX Drive Bays 5.25" external: 3 3.5" external: 0 3.5" internal: 9/8* 2.5" internal: 0/1* Front Connectors USB 3.0: 1 USB 2.0: 1 Microphone: 1 Headphone: 1 Cooling System Front: 120mm (optional) Rear: 120mm (1x 120mm included) Top: 2x 120mm (2x 120mm included) Side: 2x 120mm (optional) Scope of Delivery 3x 120mm LED fan (blue illuminating, 4Pin Molex connector) Screw bag with cable ties Speaker 3.5" to 2.5" adapter for SSD Features E a s y - C l i p S y s t e m f o r 3 .5" and 5.25" drives Blue painted mainboard fastening (RTX-Format) Blue painted and screwed slot brackets Blue illuminated LED strips in the front (Power-LED) Exchangeable dust filters in the base PSU bracket at the bottom Window kit in the right side panel Pilot hole for water cooling system Intelligent cable management Side panels attached with thumbscrews USB 3.0/USB 2.0 and audio connectors as block connector HD-Audio