Enzotech’s CNB series is the world’s first complete one-piece forged copper Northbridge heatsink with no interface or gaps. It gives you the best thermal performance possible without using a fan. The chipset is cooled to Optimum operating temperature with no fan noise or vibration. Artic Silver Ceramique thermal compound is included to maximize the thermal interface area for superb heat transfer. CNB-R1 can also be used for some Southbridge or VGA applications. Three hold down hardware rings are included to make for one very versatile heatsink. Mounting sizes for these three are 53.5, 59, and 67.4mm.
Total Reviews: 3
Average Rating: 
Northbridge cooling
06-17-2007
Reviewer: pjc52 (1)
Replaced the loud, mediocre unit on my Abit AI7, installed with no problems, nice and quite.
A big improvement.
Effective and Easy to install
03-20-2007
Reviewer: ()
Lowered temps by about 8 degrees celcius. Installation so easy "a caveman could do it." Nice tidy footprint. Got rid of my very noisy fan
very flexable
03-17-2007
Reviewer: slick (7)
the stock passive cooler on my northbridge(icfx3200) outperformed this cooler, so i installed it on my southbridge.
it didn''t fit until i milled out 3mm on each side(to make room for capacitors) and cut off 8 pins.
this is a very mod-able heatsink; because of the softcopper, and flexible pins.
very convent instillation mounts.
a average performer, but will work better then most "stock" passive northbridge coolers.