HP xw4600, xw. Processor family: Intel Core 2 Duo, Processor clock speed: 2.83 GHz, Processor model: E8300. Internal memory: 4 GB, Internal memory type: DDR2, Maximum internal memory: 16 GB. Hard drive capacity: 250 GB, Hard drive interface: Serial ATA, Hard drive rotational speed: 7200 RPM. Optical drive type: DVD-RW. Audio system: HD Audio