HP Omni 120-1333W 21-Inch (AMD E1-1200, 1.4GHz, 4GB Memory, 500GB Hard Drive, DVD+/-RW, Windows 8) (Black) 21-Inch widescreen HD LED-backlit monitor, AMD E1-1200 Accelerated Processor (Dual-Core, 1.40 GHz, 1MB L2 Cache) 4GB DDR3 SDRAM system memory (expandable to 8GB) 500GB SATA hard drive, SuperMulti DVD Burner, 10 Base-T Ethernet, 802.11b/g/n Wireless LAN AMD Radeon HD 7310 Graphics with up to 2GB graphics system memory, Built-in webcam, 6-in-1 memory card reader 6 x USB 2.0 ports, 1 x headphone / microphone combo jack, 1 x RJ-45 Ethernet port, 1 x audio line-out, HP USB Keyboard, HP USB Optical Mouse Genuine Microsoft Windows 8 (64-Bit)