Gigabyte Radeon HD 5770 Passive

Gigabyte release a new graphic card based on ATI Radeon HD 5770. It’s Gigabyte R577SL-1GD with dual slot cooler which able to remove heat without fans.gigabyte-R577SL-1GDGigabyte implement ultra durable design to make silent cooler with 4-heatpipes cooper and composed of several fin arrays and the one is rest on top of the board. Gigabyte HD 5770 has 850 MHz clock speed with 1GB of GDDR5 VRAM (