Gigabyte GV-R677SL-1GD Fanless HD 6770 1GB GDDR5 PCIE2.0 DVI HDTV HDCP HDMI Displayport

Integrated with the first 1GB GDDR5 memory and 128-bit memory interface
Features Dual-link DVI-I / HDMI / Displayport
GIGABYTE Silent-cell passive thermal design
Support AMD Eyefinity™ & CrossFireX™ & Avivo™HD
System power supply requirement: 450W (one 75W 6-pin PCI Express® connector recommended)
Chipset Radeon HD 6770
Core Clock 850 MHz
Shader Clock N/A
Memory Clock 4800 MHz
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
I/O HDMI*1
DisplayPort*1
DVI-I*1
Digital max resolution 2560 x 1600
Analog max resolution 2048 x 1536
Multi-view 3
Card size H42mm x L278mm x W172 mm
Power requirement 450W (one 75W 6-pin PCI Express® connector recommended)