eMachines Desktop PC with Intel Celeron Processor 2.5GHz (T2542) 2.5 GHz Celeron processor with 400 MHz front-side bus, 128 KB L2 cache 40 GB hard drive, 256 MB RAM, CD-RW drive 6 USB 2.0, 1 serial, 1 parallel, 1 VGA, headphone, microphone Built-in 10/100 Ethernet and 56K modem Windows XP Home Edition