nope, just single sleeving the 8-pin cpu like I did with the last one.

I just finished the 24-pin, and the unit still works I cut the wires to 6 inches instead of 1 inch and that made things much easier. I sleeved the wires with 1/2" nylon multifilament in 12 wire bunndles and I really like how it turned out - pics when I finish the 8-pin

I gotta say, of all the PSU's I have opened up this hx850 is just astonishingly clean and well put together! its like looking at the inside of and MDPC compared to the inside of a Dell makes the revo 85+ look like it was put together by a 10 year old