For sale is a lot of 4 Round 90mm x 25mm Heatsinks Aluminum. The heatsinks are recovered from CPU cooling units. The units are used in good condition but there will be some small dinks and bent fins. The heatsink is 90mm x 20mm with a 5mm round stub on the bottom. The small fan screw holes are 101mm to center the larger holes are 105mm to center.