Sapphire HD 7950 Ref
SAPPHIRE Radeon HD 7950 3GB 384-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card ( 11196-00-40G)
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.
This GPU is an economical option, it is Sapphire's reference model. It has no VRM heatspreader, and an aluminum heatsink. The plastic shroud directs the air directly out the back of the case.