HP xw6400 Intel® Xeon® 2.33GHz 1GB/73GB DVD/CD-RW Combo WXP Pro Workstation. Processor family: Intel Xeon, Processor clock speed: 2.33 GHz, Processor front side bus: 1333 MHz. Internal memory: 1 GB, Internal memory type: DDR2, Memory slots: 4 DIMM slots. Hard drive rotational speed: 15000 RPM. Optical drive type: DVD-ROM. Chassis type: Mini Tower