Product Detail HP/Compaq D530 Pentium 4 2.8 GHz Desktop General Features: No OS - Small form factor Intel Pentium 4 2.8 GHz processor 512 MB RAM 40 GB hard drive CD-ROM drive 1.44 MB floppy drive Integrated video Integrated audio Integrated Ethernet Motherboard Features: One (1) AGP slot Two (2) PCI slots on a riser card Four (4) DIMM sockets I/O Ports: Two (2) PS/2 ports One (1) 15-pin VGA connector . The "Hewlett-Packard D530 Pentium 4 2.8GHz 512MB 40GB CD FDD No OS" is best product for you. We recommended Hewlett-Packard D530 Pentium 4 2.8GHz 512MB 40GB CD FDD No OS