This is run off an antec basiq 350w PSU, I'm building this for a man over 65, so no over clocking, no dedicated gpu, 4gb single channel ddr3, crucial bx100 250gb all on an Asus h97i-plus
If your PSU has the 4+4 connector, just run it on the full 8-pins. If it doesn't you could run it on 4 pins. if it won't power up with only the 4-pin, you could get an adapter like this (http://www.newegg.com/Product/Product.aspx?Item=N82E16812423180&cm_re=cpu_4-pin_to_8-pin_adapter-_-12-423-180-_-Product) which splits the power from the 4-pin to a full 8-pin or this (http://www.newegg.com/Product/Product.aspx?Item=N82E16812423181&cm_re=cpu_4-pin_to_8-pin_adapter-_-12-423-181-_-Product) which gets the power for the additional pins from a 4-pin molex. I'd recommend the latter since I personally have used the first type and it ended in a small puff of smoke and a burnt PSU loom. luckily the motherboard was undamaged except for a singe mark on the 8-pin CPU header. my guess is that too much power was being drawn through the original 4-pin wires which weren't designed for that. The one with the supplemental molex should be safer. I wasn't OC'ing either, it was a Celeron G1610 on an H77 board.