At least 4 GB

The HP ENVY Phoenix screams power with armor-plated styling, and modern finishes. .A built-in landing pad lets you conveniently plug in headphones, USB drives, and MP3 players..With expandable storage capacity and easy access to upgradeable components, the new drive bay supports up to three standard 3.5-inch hard drives. A sliding panel offers quick access to front ports, keeping them hidden when not in use..Move and shake with lightning-fast processors, perfect for all of your favorite immersive games, videos, and photo editing software. The 600W power supply feeds the power-hungry processor and optional 250W discrete graphics card with energy to spare. .Tap into next-generation graphics and redefine your vision of smooth, seamless, lifelike gaming..With up to three internal hard drives,... Less

Take on your most demanding digital tasks with the stylish, high-performance HP Pavilion Elite h8-1220 PC. This HP desktop computer supports multiple monitors so you can mega-task: e-mail, research, chat, browse the Web, edit photos and watch videos simultaneously. It also features a SuperMulti DVD Burner, a 15-in-1 digital media reader for easy file transfer and exclusive Beats AudioTM Studio Quality Sound—hear music the way the artist intended. The HP Pavilion Elite h8-1220 PC has an AMD FX-8100 Processor, Genuine Windows 7 Home Premium 64-bit and a 2TB hard drive. Surf the web without cables and connect to wireless printers and other devices with wireless LAN 802.11b/g/n, and sync to mobile devices via Bluetooth. Get the power you need for serious gaming and other graphics- intensive... Less

Windows 7 Professional 64-bit 90% Efficient Active Pfc Power Supply Amd A6-5400b Dual Core 3.6 Ghz 1m 65w Cpu Amd A75 4 gb (1x4 Gb) Ddr3 1600 Mhz 500 Gb 7200 Rpm Sata 6g 1st Hdd Ati Radeon Hd 7560d HP Supermulti Dvd Writer Drive HP ps/2 Standard Keyboard HP Ps/2 optical Mouse Broadcom Netxtreme Gbe Bcm 5761 3 Years Parts, Labor And Onsite Service (3/3/3) Standard Warranty. Certain Restrictions And Exclusions Apply.

Windows 7 Professional 64-bit 240w 90% Efficient Active Pfc Power Supply Amd A4-5300b Dual Core 3.4 Ghz 1m 65w Cpu Amd A75 4 gb (1x4 Gb) Ddr3 1600 Mhz 500 Gb 7200 Rpm Sata 6g 1st Hdd Ati Radeon Hd 7560d HP Supermulti Dvd Writer Drive HP ps/2 Standard Keyboard HP Ps/2 optical Mouse Broadcom Netxtreme Gbe Bcm 5761 3 Years Parts, Labor And Onsite Service (3/3/3) Standard Warranty. Certain Restrictions And Exclusions Apply.

HP Compaq Elite 8300 - CMT - 1 x Core i5 3470 / 3.2 GHz - RAM 4 GB - HDD 1 x 500 GB - DVD SuperMulti - Radeon HD 7450 - Gigabit LAN - Windows 7 Professional 64-bit - vPro - Monitor : none.

HP Z800 Workstation W/ 850w 85 Plus Energy Efficient Chassis Fl850ua#aba