HP xw4400 Intel® Core® 2 Duo 2.13GHz 2GB/250GB DVD/CD-RW WXP Pro Workstation. Processor family: Intel Core 2 Duo, Processor clock speed: 2.13 GHz, Processor front side bus: 1066 MHz. Internal memory: 2 GB, Internal memory type: DDR2, Memory slots: 4 DIMM slots. Hard drive rotational speed: 7200 RPM. Optical drive type: 48x DVD/CD-RW Combo. Networking features: Integrated Broadcom 5755 Netxtreme Gigabit PCIe LAN, optional Broadcom 5751 Netxtreme Gigabit PCIe