What is ATI CrossFireX™?
ATI CrossFireX™ is the ultimate multi-GPU performance gaming platform. Enabling game-dominating power, ATI CrossFireX technology enables two or more discrete graphics processors to work together to improve system performance. ATI CrossFireX technology allows you to expand your system’s graphics capabilities. It allows you the ability to scale your system’s graphics horsepower as you need it, supporting up to four ATI Radeon™ HD graphics cards, making this the most scalable gaming platform ever.

Advantages of CrossFireX™
The new TeraScale graphics engine combines the power of one teraFLOPS, 800 stream processors and next generation GDDR5 memory to propel you deep into your gameplay with seamless frame rates and high resolutions.

Enhanced anti-aliasing (AA) and anisotropic filtering (AF) create striking graphics with unparalleled realism so you can max out the settings of the most demanding next-generation games or revitalize your favorite titles. Play today while preparing for tomorrow with tessellation, support for DirectX® 10.1 and scalable ATI CrossFireX™ technology.
For more info on CrossFireX, please visit the AMD ATI site.

• Poly X4803B 1600FSB DDR3 MB 2xPCIe 2.0,2xGLAN
• Intel Quad-Core Extreme QX9770 3.2GHz 12M 1600FSB
• 4GB DDR3 1600MHz Unbuffered Memory
• TX506 5+6 Bay Full-ATX Tower Case (Cosmos 1000)
• 1200W Toughpower Power Supply 80+ Certified Efficiency
• 600GB - 2 x WD 300GB 10K RPM SATA-2 V-Raptor in RAID 0
• On-board SATA RAID-0,1,0+1,5 Controller # On-board 1394 Firewire Ports
• 1.44MB Floppy Drive & All-In-One Internal Card Reader # Logitech Cordless Deluxe 650 Keyboard & Mouse
• LG GGC-H20L Blu-Ray/HD SATA Lightscribe DVD drive
• Lite-On 20X LightScribe DVD+/-RW Dual-Layer IDE
• Sound Blaster X-Fi Titanium Fata1ity Pro PCIe x1 Card
• 2 x ATI Radeon HD 4870X2 2GB GDDR5 Graphics in CrossFireX
• HDTV Hybrid Digital+Analog TV Tuner PCIe x1 Card
• On-Board Dual Gigabit/100/1000T Ethernet
• Windows Vista Ultimate 32Bit DVD (Optional 64 bit)

• Poly P4500B ATX MB DDR3 6SATA-R5 PCIe2 gLAN 7.1a
• Intel Core2 Duo E8500 3.16Ghz 6MB CPU 1333FSB
• 4GB DDR3 1333MHz Fast Unbuffered Memory
• TS900 9-Bay Tower Case w/2xUSB, 1394 (Antec 900)
• 700W Quiet PFC SLI P/S, 85% High Efficiency
• 2 x WD 74GB 10K RPM SATA Raptor HDD 16M Cache
• 500GB SATA-II 7200RPM HD 32MB Cache
• On-board SATA RAID-0,1,0+1,5 Controller
• On-board 1394 Firewire Ports
• Logitech Vista Internet USB KB+Opti Mouse(Black)
• Lite-On 20X LightScribe DVD+/-RW Dual-Layer IDE
• On-board 7.1 3D Audio Sound
• 2 x ATI Radeon HD 4850 512MB PCIe 2.0 16x CrossFire Graphics
• On-Board Gigabit/100/1000T Ethernet
• Windows Vista Home Premium 32Bit DVD

• Poly 790FX AM2+ ATX MB 6SATA-R 2gLAN 7.1, 1394
• AMD Phenom X4 QuadCore 9950 2.6GHz 4M 140W AM2+
• 4GB DDR2 1066MHz Fast PC8500 Unbuff Memory
• TX506 5+6 Bay Full-ATX Tower Case (Cosmos 1000)
• 1000W High Performance Active PFC Power Supply
• 600GB 2xWD 300GB 10K RPM SATA-2 V-Raptor HDD 16M Cache
• On-board SATA RAID-0,1,0+1,5 Controller
• On-board 1394 Firewire Ports
• Logitech Premium Desktop KB w/Cordless OptiMouse
• LG GGC-H20L Blu-Ray SATA w/Lightscribe & HD DVD
• Lite-On High Speed 20X DVD+/-RW Dual-Layer IDE
• On-board 7.1 3D Audio Sound
• 2 x ATI Radeon HD 4870 512MB GDDR5 PCIe 2.0 CrossFireX Graphics
• On-Board Dual Gigabit/100/1000T Ethernet
• Windows Vista Ultimate 32Bit DVD (Optional 64-bit)