HP Pavilion Media Center M8150N Desktop PC (Intel Core 2 Quad Processor Q6600, 3 GB RAM, 640 GB Hard Drive, HD DVD Drive, Vista Ultimate) Powerful multimedia desktop with TV tuner (NTSC/ATSC), personal video recording functionality, and programming guide 2.4 GHz Intel Core 2 QUAD Q6600 dual-core processor, dual 320 GB hard drives (640 GB total), 3 GB RAM (8 GB max), HD DVD drive, 16x LightScribe DVD drive Connectivity: 6 USB, 2 FireWire, 1 VGA, 1 S-Video, 1 composite A/V digital audio output, surround sound speaker output, 15-in-1 memory card reader 54g Wi-Fi (802.11b/g), 10/100/1000 Ethernet, Nvidia GeForce 8400 GS video card (with 256 MB of video memory Pre-installed with Windows Vista Home Ultimate (with Premium and Business capabilities)