DESC: Product Features: Chipset: Intel GM45 Express; Form Factor: Small Form Factor; Included Memory size: 4 GB; Type: Rack Mountable; Extension Drive Bays: 1 X 2.5" Bay; Input / Output Ports: 4 x USB 2.0, 1 x RS-232 Serial Port, 1 x RJ-45, 1 x DVI; Supported Processors: Celeron, Core 2 Duo, Pentium Dual Core; Networking: Integrated Dual 10/100/1000 Network Card; RAM Technology: DDR2 SDRAM; Max. Supported RAM: 8 GB; Graphics Processor: Intel Graphics Media Accelerator (GMA) X4500MHD; Audio: Speakers, Line In, Line Out, Microphone, Headphones, SPDIF In, SPDIF Out; Compatible Operating Systems: Microsoft Windows XP, Microsoft Windows Vista, Microsoft Windows Vista Premium; Depth: 7.87 in.; Height: 2.36 in.; Width: 7.87 in.; Weight: 6.27 lb.