There is no "SLI slot". Did you mean the PCIe x16 slot? If so, it draws its power from the motherboard anyway. Are you asking if it is OK to OC a gpu that gets all its power from the slot rather than from an aux. PCIe cable? If so, it is not.
There is no "SLI slot". Did you mean the PCIe x16 slot? If so, it draws its power from the motherboard anyway. Are you asking if it is OK to OC a gpu that gets all its power from the slot rather than from an aux. PCIe cable? If so, it is not.