HP Z200, 2.66 GHz, Intel® Xeon® 3000 Sequence, X3450, 4 GB, DVD Super Multi, Windows 7 Professional HP Z200. Processor frequency: 2.66 GHz, Processor family: Intel® Xeon® 3000 Sequence, Processor model: X3450. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1333 MHz. Card reader integrated, Optical drive type: DVD Super Multi. Operating system installed: Windows 7 Professional. Power supply: 350 W. Chassis type: Minitower. Product type: Workstation. Weight: 10.7 kg