The GTX 950 is an entry-level to mainstream graphics card in the Maxwell range of GPUs from Nvidia that sits pretty nicely in the 1080P domain. ASUS offers a GeForce GTX 950-2G without a 6-pin power plug. 

The GeForce GTX 950 is a cut-down version of the GM206 GPU that Nvidia uses in their GTX 960 series. This revised chip has a lower number of shader processors, a 128-bit wide memory bus and thus 2 GB of GDDR5 memory.

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The product has been castrated and stripped of everything that is sexy with the GTX 960/970/980. For the 'normal' models you have been able to see the memory cut down to 2 GB of memory on these puppies, that memory runs on a 128-bit wide bus, the shader processors have been cut-down to 768 Shader/Stream/Cuda cores. 

Asus states the card has a board power of 75W and doesn't need a six-pin PCIe power connector.