Performance features on ThinkCentre A52 desktops include Intel® Pentium® D Processors to provide users with new dual-core processing and state-of-the-art technology. (select models). The ThinkCentre A51p models include the Intel 915G/GV Express family of chipsets, providing the latest technology and faster performance; integrated Intel Graphics Media Accelerator 900 with an upgradable 16x PCI Express slot; eight USB 2.0 ports; DDR2 memory; a range of optional optical devices - all wrapped up in a newly designed toolless chassis.