Gainward HD 4650 1024MB DDR2 Barcode: 471846200-9696 GPU: ATI HD 4650 GPU Clockspeed: 600MHz Memory: 1024MB DDR2 Memory Clockspeed: 800MHz Pixels per clock (peak) : NA Bandwidth: NA Ramdac: 400MHz Bus: PCI-Express Cooling: 1-Slot Fan Video-Features: HD-Output Connectivity: D-Sub + DVI-I + HDMI

Gainward HD 4650 512MB DDR2 Barcode: 471846200-9702 GPU: ATI HD 4650 GPU Clockspeed: 600MHz Memory: 512MB DDR2 Memory Clockspeed: 800MHz Pixels per clock (peak) : NA Bandwidth: NA Ramdac: 400MHz Bus: PCI-Express Cooling: 1-Slot Fan Video-Features: HD-Output Connectivity: D-Sub + DVI-I + HDMI

Gainward HD 4670 512MB DDR3 Barcode: 471846200-9689 GPU: ATI HD 4670 GPU Clockspeed: 750MHz Memory: 512MB DDR3 Memory Clockspeed: 1000MHz Pixels per clock (peak) : NA Bandwidth: NA Ramdac: 400MHz Bus: PCI-Express Cooling: 2-Slot Fan Video-Features: HD-Output Connectivity: D-Sub + DVI-I + HDMI + DisplayPort

The ATI Radeon TM HD4600 series is the PCI-Express® 2.0 technology product which delivers a level of gaming performance previously only found in high-end graphics chips. The ATI Radeon TM HD4600 series is the second-generation chip manufactured using 55nm process technology, and supports DX10.1 with Shader Model 4.1, integrated HDMI, integrated HDCP and native support for Blu-ray and HD-DVD decode. Upgrade your graphics card and watch Blu-ray movies and play HD content with incredible visual fidelity or take your experience to another level with new multimedia capabilities. Enjoy a truly responsive experience and take full advantage of Blu-ray functionality with dual-stream, picture in picture (PIP) capabilities.

Gigabyte ATI HD4650 Overclocked PCI-E 2.0 1GB 128-bit GDDR2, Dual Link DVI-I / D-sub / HDMI / HDCP, Fan

ATI HD4670, PCI Express 2.0 512MB GDDR3 128Bit @ 2.0GHz Memory 2 x DL-DVI / TV Out (Max 2560x1600 DL) Single Slot Fan Cooler [11138-00-20R]