HP xw8400 Intel® Xeon® 2.0GHz 1GB/160GB DVD/CD-RW WXP Pro Workstation. Processor clock speed: 2000 MHz, Processor family: Intel Xeon, Processor front side bus: 1333 MHz. Internal memory: 1024 MB, Internal memory type: DDR2, Memory slots: 8 DIMM slots. Hard drive rotational speed: 15000 RPM. Optical drive type: 48x DVD/CD-RW Combo. Chassis type: Mini Tower