Glacialtech's Igloo 5063 Light E heatsink stands 67mm tall and comes with a fixed speed 80mm fan that rotates at a quiet 2600RPM. Being all aluminum, the heatsink weighs just 341 grams. Glacialtech's Igloo 5063 Light is compatible with Intel socket 775 CPUs outputting 95W heat or less, and ships with a convenient pre-applied patch of good quality Shin-Etsu thermal compound applied.