Xigmatek Dark Knight SD1283 and Loki SD963
 

Overclockers Club has a double-header cooler review posted today that features the Xigmatek Dark Knight SD1283 and Loki SD963 heatpipe HSFs. At a $50 price tag, the Xigmatek Dark Knight SD1283 hangs onto the performance bracket of mid-range coolers. The Loki SD963 is a little more difficult to put it in a bracket since it only costs $20, but nevertheless it performs better than stock cooling and should work in a pinch.

http://www.hardocp.com/news/2012/09/...83_loki_sd963/