For the last few years Thermalright's video card cooling products were centered around the gargantuan HR-series of heatsinks which offered incredible performance but had an Achilles Heel: their size. In order to achieve their performance, coolers like the HR-03 relied on an upright design which made attaching a fan and running a second video card in SLI or Crossfire all but impossible. Enter the T-Rad² which is slim enough to have a standard 120mm or two 92mm fans installed on it without demolishing your dreams of a dual card setup.
FULL STORY @ HARDWARECANUCKS (http://www.hardwarecanucks.com/forum/hardware-canucks-reviews/10715-thermalright-t-rad%B2-video-card-cooler-review.html)