windows 7 ultimate 64 bit with service pack 1 , 3.00 ghz dual core processor , 4 gb ram , asus motherboard , 1024 mb ATI AMD Radeon HD 5450 graphics card , Wi-fi , two dvd burners : Sony and Pioneer , two hard drives : 80 gb and 250 gb Seagate , Sony flatscreen monitor , brand new unused HP keyboard and mouse , gaming case with led lighting , a see-through side and loads of spare slots inside case for upgrades , PSU less than a year old , two internal cooling fans and one on processor , recently cleaned and fully updated with maintenance programs , antivirus , malware programs , ashampoo burning suite , vlc media player , microsoft office , only selling due to upgrade , please enquire by text only as working irregular