GIGABYTE - 1GB (GV-R645OC-1GI);Chipset:Radeon HD 6450;PCB Form:Low Profile;Core Clock:675 MHz;Memory Clock:1600 MHz;Process Technology:40 nm;Memory Size:1 GB;Memory Bus:64 bitCard Bus:PCI-E 2.1;Memory Type:DDR3

GIGABYTE - 1GB (GV-R657OC-1GI);Chipset:Radeon HD 6570;PCB Form:ATX;Core Clock:670 MHz;Memory Clock:1600 MHz;Process Technology:40 nm;Memory Size:1 GB;Memory Bus:128 bit;Card Bus:PCI-E 2.1;Memory Type:DDR3

GIGABYTE - 1GB (GV-R687OC-1GD);Chipset:Radeon HD 6870;Core Clock:915 MHz; Memory Clock:4200 MHz;Process Technology:40 nm;Memory Size:1 GB;Memory Bus:256 bit;Card Bus:PCI-E 2.1;Memory Type:GDDR5;DirectX11;OpenGL4.1;I/O:HDMI,DVI-I ,DVI-D 

GIGABYTE - 1GB (R675OC-1GI);Memory Clock:4800 MHz;Process Technology:720;Memory Size:1 GB;Memory Bus:128 bit;Card Bus: PCI-E 2.1;Memory Type:GDDR5;DirectX:11;OpenGL:4.1;PCB Form:ATX;I/O:HDMI/D-sub/DVI-I/DVI-D*1; Digital:2560 x 1600/Analog:2048 x 1536;Multi-view:2

GIGABYTE - 1GB (R677D5-1GD);Chipset:Radeon HD 6770;Core Clock:775MHz;Memory Clock: 4000MHz;Process Technology:800;Memory Size:1 GB;Memory Bus:128 bit;Card Bus:PCI-E 2.1;Memory Type:GDDR5;DirectX:11;OpenGL:4.1;PCB Form:ATX

GIGABYTE - 1GB (R775OC-1GI);Chipset:Radeon HD 7750;Digital max resolution:2560 x 1600;Analog max resolution:2048 x 1536;Process Technology:28 nm;PCB Form:ATX;Core Clock:880 MHz; Memory Clock:4500 MHz;Memory Size:1 GB;Memory Bus:128 bit;Card Bus:PCI-E 3.0;Memory Type:GDDR5

GIGABYTE - 2GB (GV-N430-2GI);Chipset:GeForce GT 430;Core Clock:700 MHz;Shader Clock:1400 MHz;Memory Clock:1600 MHz;Process Technology:40 nm;Memory Size:2 GB;Memory Bus:128 bit;Card Bus:PCI-E 2.0;Memory Type:DDR3;DirectX:11;OpenGL  :4.1;PCB Form:ATX;Digital max resolution:2560 x 1600;Analog max resolution:2048 x 1536;Multi-view:2

GV-N440-2GI;Chipset: GeForce GT440;Engine Clock: 810 MHz;Video Memory: 2GB DDR3;Memory Clock: 1600 MHz;Memory Interface: 128-bit;Bus: PCI-Express 2.0 x16;RAMDAC: 400 MHz;Steam Processors: 96 Cuda Cores;Max. Resolution: 2560 x 1600;Connectors: VGA, DVI, HDMI;Thermal: Fansink

GIGABYTE - 2GB (GV-R697OC-2GD);Chipset:Radeon HD 6970;Core Clock:900 MHz;Memory Clock:5500 MHz;Process Technology:1036;Memory Size:2 GB;Memory Bus:256 bit;Card Bus:PCI-E 2.1;Memory Type:GDDR5;DirectX:11;OpenGL:4.1;PCB Form:ATX

GIGABYTE - 2GB (GV-R787OC-2GD);Chipset:Radeon HD 7870;Digital max resolution:2560 x 1600;Analog max resolution:2048 x 1536;Process Technology:28 nm;PCB Form:ATX;Core Clock:1100 Mhz;Memory Clock:4800 MHz;Memory Size:2 GB;Memory Bus:256 bit;Card Bus:PCI-E 3.0

GIGABYTE - 4GB (GV-R699D5-4GD-B);Chipset:Radeon HD 6990;Core Clock:830 MHz;Memory Clock:5000MHz;Process Technology:3072;Memory Size:4GB;Memory Bus:256 bit;Card Bus:PCI-E 2.1;Memory Type:GDDR5;PCB Form:ATX;I/O:mini DisplayPort*4 ,DVI-I*1;Digital max resolution:2560 x 1600;Analog max resolution:2048 x 1536;Multi-view:5

Supports Socket FM1 of 32nm AMD A-series/E2-series processors;Enhanced AMD Radeon HD 65xx/64xx/63xx graphics (DX11) integrated with the processor;1 PCI-E 2.0 interfaces with AMD Dual Graphics technology support;Integrated USB 2.0 and SATA2 interfaces with RAID 0,1,10

Supports Socket FM1 of 32nm AMD A-series/E2-series processors;Enhanced AMD Radeon HD 65xx/64xx/63xx graphics (DX11) integrated with the processor;1 PCI-E 2.0 interfaces with AMD Dual Graphics technology support;Integrated USB 2.0 and SATA2 interfaces with RAID 0,1,10;Integrated DVI/D-sub outputs for Full HD playback

2 PCI-E 2.0 interfaces with AMD Dual Graphics and CrossFireX technology support;Ultra Durable 2 Classic Technology with 4+1 phase power VRM designed;Supports 6 USB 3.0 interfaces with superfast transfer rates of up to 5Gbps;Supports 6 SATA3 storage interfaces with superfast 6Gbps link speed and RAID 0,1,10;GIGABYTE 3x USB Power with On/Off Charge USB ports

Supports Socket FM1 of 32nm AMD A-series/E2-series ;Enhanced AMD Radeon HD 65xx/64xx/63xx graphics (DX11) integrated with the processor;2 PCI-E 2.0 interfaces with AMD Dual Graphics technology support;Ultra Durable 1 Technology with 4+1 phase power VRM designed;Supports 4 USB 3,6 SATA3 and RAID 0,1,10

Supports 3rd Gen. Intel® 22nm CPUs and 2nd Gen. Intel® Core™ CPUs (LGA1155 socket);Dual UEFI BIOS protection with 3TB+ HDD boot up capability;PCI Express Gen 3.0 support;Industry's Leading All Japanese Solid Capacitor Design;GIGABYTE 333™ Onboard Acceleration (USB 3.0, SATA 3.0 & 3x USB Power)

Supports 3rd Gen. Intel® 22nm CPUs and 2nd Gen. Intel® Core™ CPUs (LGA1155 socket);Dual UEFI BIOS protection with 3TB+ HDD boot up capability;PCI Express Gen 3.0 support;Industry's Leading All Japanese Solid Capacitor Design;GIGABYTE 333™ Onboard Acceleration (USB 3.0, SATA 3.0 & 3x USB Power)