Galaxy released a green aka energy-efficient of the GeForce GTX 650 graphics card, the Green Edition. Not that the original models consume much power. The card however does not have any 6-pin PCIe power connectors and thus rely the PCIe bus for power which cand eliver 75 Watts.
The card uses near-identical PCB and cooler designs to the GTX 650 GC, except the 6-pin power connector is absent. The card sticks to NVIDIA-reference clock speeds of 1058 MHz core, and 5.00 GHz memory. It packs 1 GB of GDDR5 memory across a 128-bit wide memory interface. Expect the GTX 650 Green Edition to cost around US $110.
Galaxy GeForce GTX 650 Green Edition
