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The NVIDIA GeForce GTX 690 houses two (Kepler GK104) GPUs on the same PCB. The GTX 690 is 11” in length and utilizes a 10 phase power supply and an onboard PLX chip. The onboard PLX allows the GeForce GTX 690 to run in a single PCIe 3.0, X16 slot with the benefits of SLI. NVIDIA has also added an all-aluminum casing (shroud), as well as a magnesium injection fan housing. Combined, these elements produce less noise, decrease overall weight and produce less heat. Dual copper vapor chambers (nickel plated fins) surround the center injected fan and cool each GPU.