HP Compaq dx2000 P4 2.8A GHz 256M/40G CDRW LAN WXP Pro SP1a. Processor family: Intel Pentium 4, Processor front side bus: 533 MHz. Internal memory: 0.25 GB, Maximum internal memory: 4 GB, Internal memory type: DDR-SDRAM. Total storage capacity: 40 GB, Hard drive rotational speed: 7200 RPM. Maximum graphics adapter memory: 64 MB. Chassis type: Micro Tower