HP Compaq dc5800 Core 2 Duo E8400 3.0GHz 2GB 160GB DVD&plusmn;RW No Operating System Small Form Factor HP Compaq dc5800 Core 2 Duo E8400 3.0 GHz Small Form Factor PC General Features: No Operating System! Small Form Factor Intel Core 2 Duo E8400 3.0 GHz dual-core processor 6 MB L2 cache, 1333 MHz FSB Speed Intel Q33 Express Chipset 2 GB DDR2 RAM 160 GB SATA hard drive DVD RW SATA drive Integrated Intel Graphics Media Accelerator 3100 Integrated high definition audio with internal speaker