Available at Dell Home, Dell Studio XPS 7100 AMD Phenom™ II X4 Desktop PC + 23" LCD Monitor features AMD Phenom™ II X4 820 2.8GHz quad core processor w/ 4MB L3 cache, 6GB dual channel DDR3 system memory, 750GB SATA 7200rpm hard disk drive w/ 16MB cache, 16x DVD burner, Radeon HD 5450 graphics card with 1GB dedicated video RAM, THX TruStudio PC sound card, 23-inch Dell ST2310 1920x1080p widescreen LCD monitor w/ 50,000:1 dynamic contrast ratio & 5ms response time, more. Ships with Windows 7 Home Premium 64-Bit and includes multimedia keyboard & optical mouse.