Sapphire HD 7950
Sapphire Radeon HD 7950 3GB 384-Bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card OC with Boost.
The AMD Radeon HD 7950 Series has 1792 stream cores and 3GB 384-Bit GDD5 Memory. The HD 7950 Series is comparable in terms of performance to the R9 280 Series.
Sapphire's copper heatpipes quickly dissipate heat. The Video memory has heat spreaders that make contact directly with the heatsink, which further increases stability.