HP Pavilion a1040n Desktop PC (Intel Pentium 4 Processor 630, 1.0 GB RAM, 200 GB Hard Drive, DVD/CD-RW Drive) (Discontinued by Manufacturer) Hyper-threaded 3.0 GHz Pentium 4 processor with 800 MHz front-side bus, 2 MB L2 cache 200 GB hard drive, 512 MB RAM (4 GB maximum), DVD-/+RW, DVD-ROM drives 7 USB 2.0, 2 Firewire (IEEE1394), 1 serial, 1 parallel, 1 VGA, headphone, microphone, multiformat memory card reader Built-in 10/100 Ethernet and 56K modem Windows XP Home Edition