Manufacturer: MSI CO.,LTD Processor: AMD Phenom(tm) II X4 955 Processor (4 CPUs), ~3.2GHz Memory: 4092MB RAM Hard Drive:1 TB Total Video Card:ATI Radeon HD 4890 Monitor:iiyama Pro Lite E22089HDSV Full HD Sound Card:Realtek High Definition Audio Speakers/Headphones: Creative Fatal1ty Gaming Headset / Razer Charcharias Keyboard: Logitech Keyboard Mouse: Logitech G5 Laser Mouse / Razer Abyssus Mouse Surface: Steelseries QcK+ / Razer Golathius Operating System: Windows Vista Ultimate -- Service Pack 1 Motherboard: MSI 790FX-GD70 Computer Case: Coolermaster CM690