ATI Radeon™ HD3800 - Viper Video Products (graphics cards)
ATI Radeon™ HD 3870 X2 PCIE 1024MB GDDR3 Video GPU: Radeon™ HD3870 X2 Bus Type: PCI-Express X16 (PCI Express 1.1) Core Clock: 825 MHZ Memory Size: 1024MB Memory Configuration: 32Mx32 GDDR3 Memory Interface: 256 + 256-Bit Memory Speed: 900 MHz x2 Dual Link DVI (HDMI support through dongle)		ATI Radeon™ HD 3870 PCIE 1024MB GDDR3 Video GPU: Radeon™ HD3870 Bus Type: PCI-Express X16 (PCI Express 2.0) Core Clock: 825 MHZ Memory Size: 1024MB Memory Configuration: 32Mx32 GDDR3 Memory Interface: 256-Bit Memory Speed: 1800 MHz x2 Dual Link DVI + HDTV out with VIVO
Viper ATI Radeon™ HD 3870 PCI Express 512MB GPU: Radeon™ HD3870 Bus Type: PCI-Express Core Clock: 775 MHZ Memory Size: 512MB Memory Configuration: 16Mx32 GDDR4 Memory Interface: 256-Bit Memory Speed: 1125 MHz Two Dual Link DVI + HDTV-Out (HDMI support VIA Adapter)		Viper ATI Radeon™ HD 3850 PCI Express 512MB Overclocked GPU: Radeon™ HD3850 Bus Type: PCI-Express Core Clock: 725 MHZ Memory Size: 512MB Memory Configuration: 16Mx32 GDDR3 Memory Interface: 256-Bit Memory Speed: 900 MHz x2 Dual Link DVI + HDTV-out with (HDMI support through adapter)
Viper ATI Radeon™ HD 3850 PCI Express 256MB GPU: Radeon™ HD3850 Bus Type: PCI-Express Core Clock: 668 MHZ Memory Size: 256MB Memory Configuration: 8Mx32 GDDR3 Memory Interface: 256-Bit Memory Speed: 828 MHz Two Dual Link DVI + HDTV-Out (HDMI support VIA Adapter)