At first glance, the Hyper 212 Plus seems like Cooler Master’s original Hyper 212 with a different fan mounting system and support for sockets 1156 and 1366. But while the original had two sets of heat dissipation fins, one set for each end of the heat pipes, the 212 Plus adopts a more straightforward tower design, with the heatsink fins connected to both ends of each heat pipe. It’s the same basic and effective design seen in all of today’s top-performing air coolers. And unlike most coolers, the 212 Plus’s heat pipes contact the CPU directly. So, how do the Hyper 212 Plus’s stacks stack up against the competition?

The Hyper 212 Plus is one of the smaller air coolers we’ve tested recently—a big relief after last month’s monstrous Scythe Mugen 2. At 4.7 inches wide, 3.1 inches deep, and 6.2 inches high, the Hyper 212 is shorter than our champion, Thermalright’s U120, though it’s about an inch deeper. It’s also about a pound lighter, at 1.4 pounds to the Thermalright’s 2-plus pounds. Despite its relative lack of bulk, though, it managed to bump right up against the north-bridge heat spreaders on our EVGA 680i SLI board—a problem that would be avoided if the cooler’s fins started a half-inch higher up the pipes. To install the 212 Plus, we had to insert four standoff pegs into the motherboard and tighten them by bolting them to the backplate. An x-shaped bracket with spring screws at the corners holds the cooler to the CPU. We like this approach because it makes the cooler easy to install without having to worry about the backplate falling off, and the standoffs allow the use of shorter screws for the mounting bracket. Once the cooler was secure, we mounted the included 12cm fan using common wire retention clips—a simple task made difficult by the close proximity of the cooler to the north bridge’s cooling fins.

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Everyone and their CPU-cooler-manufacturing mother are jumping aboard the skyscraper-formfactor bandwagon, hoping to match the performance of Thermalright’s Ultra-120 eXtreme and Noctua’s NH-U12P air coolers. Last month we tested Zalman’s attempt, and this month we have Thermaltake’s answer, the ISGC-300, one of a series of four ISGC-branded air coolers recently released into the wild. Thermaltake’s creative relationship with the English language is responsible for the ISGC moniker, which stands for “Inspiration of Silent Gaming Cooling.”

The ISGC-300 consists of a copper heat exchanger with four heat pipes running into a tower of 33 saw-toothed fins. At 6.24 inches high by five inches wide by 2.8 inches deep, it’s slightly shorter and narrower than Thermalright’s Ultra-120, but about a quarter-inch deeper. A 12cm white Thermaltake hydrodynamic-bearing fan is held onto the front using metal clips in a manner reminiscent of the Noctua NH-U12P. The nine-bladed fan is quiet and includes a variable-speed switch in lieu of a four-pin PVM connector. At its quietest, it’s nearly silent; at its loudest, it’s still damned quiet.

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Corsair is best known for its memory and power supplies, but recently the company has taken to rebadging excellent OEM products for retail. First came a rebadged edition of Samsung’s blazing-fast 256GB MLC solid state drive. Now Corsair is continuing the trend by scooping up Asetek’s all-in-one liquid CPU cooler and rebranding it as the Corsair Cooling Hydro Series H50. It’s not just a straight-up rebadge. According to Corsair, it worked with Asetek to modify the latter’s OEM-only version, adopting a universal design and reportedly improving performance. We can’t verify how Corsair’s H50 compares to the OEM version, as the OEM version isn’t available for consumer purchase.

We were more interested to see how the H50 did against CoolIt’s similarly priced Domino (reviewed June 2009). Like the Domino, the Corsair H50 consists of a CPU heat exchanger/pump unit that fits atop the CPU and is connected to a radiator, which mounts in place of your case’s rear 12cm fan. The H50 includes its own 12cm fan, which sits between the radiator and the case wall and pulls air through the radiator fins. The pump uses a three-pin power lead, which needs to plug into the CPU fan power port on the motherboard, and the 12cm fan, confusingly, has a four-pin connector, which plugs into any other fan control port. We originally tried running the pump off a direct-power Molex and the fan off the CPU PWM port, but saw miserable performance. Only after reversing the two did we achieve the expected performance.

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The last Thermalright cooler we reviewed, the IFX-14 (November 2008), actually bested our then-champion Thermaltake DuOrb in performance, but its enormous size cost it the crown. The slimmer Ultra-120 eXtreme, while still a skyscraper of finny goodness, is much skinnier than the IFX-14, and (happily) includes one 12cm clip-on fan—the older model supported two fans, but included none.

Five nickel-plated copper heat pipes rise from opposite sides of the base through a large stack of heat-dissipating fins, cooled by a 12cm fluid-dynamic bearing fan. The included fan connects to the motherboard fan socket with a 3-pin connector, so there’s no onboard fan-speed control.

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