Hewlett-Packard z565 Digital Entertainment Center HP z565 Digital Entertainment Center General Features: Sleek black case with brushed aluminum case Microsoft Windows XP Media Center Edition 2005 pre-installed w/COA Intel Pentium D 945 dual core processor operating at 3.4 GHz CPU front side bus 800 MHz Motherboard Chipset: Intel (Intel Viiv ready) System Memory: 2 GB DDR2 SDRAM (2 x 1024), expandable to 4 GB