XFX Double D Radeon HD 6850 1GB DDR5 PCI Express 2.1 x16 CrossFireX Support Video Card with Eyefinity HD-685X-ZDFC GPUs / Video Graphics Cards - Newegg.com
XFX Radeon HD 6850 Review | bit-tech.net
HIS 6850 Fan 1GB GDDR5 PCI-E HDMI/2xDVI/DP < HD 6800 Series < デスクトップ グラフィックス < Products | HIS Graphic Cards