TYAN Narrow 3647 205W 2U Heatsink (Passive) CPU Cooling TYAN Narrow 3647 205W 2U Heatsink (Passive) Pictures × Previous Next Advice Tech Specs Sorry, we have no advice for this part! Model: Tyan FRU-TH-0220For use in the TYAN TN76-B7102 2U w/ >165W CPUs