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The two demands we place on a case fan - to displace as much air as possible while producing the least amount of noise - are inherently mutually exclusive. In order to move more air, a fan needs to rotate faster, which produces more sound. The easiest way to make a fan more silent is to make it turn slower, but this will of course influence the amount of air it displaces.
This is where smart designers come into the picture. Case fan manufacturers try to increase the volume of displaced air by changing the design and number of the blades. We have seen a wide variety of designs: fan blades with notches like a golf ball, blades with a slant, and serrated blades. Nothing is too crazy to try. For each new attempt the manufacturer has a (vaguely) scientific foundation of why that particular design is better. In the end, it’s the performance that counts.
The same applies to the bearings used in the fans, something we've examined previously. In addition to the tried-and-proven ball bearings and sleeve bearings there are now exotic derivations such as rifle bearings, twister bearings, and so on. The goal is always the same - less noise. Again, it’s not the design but the end result that is important.
The Noctua NH-U12P SE2 CPU cooler has a tower heatsink, four heatpipes, and two 120 mm fans. We tested the first version of the NH-U12P almost three years ago. The main differences between the NH-U12P and the NH-U12P SE2 (Special Edition 2) are that the SE2 has the SecuFirm2 mounting mechanism and comes with two fans
In this review Frostytech is testing Auras' lower noise Shagon AHC-118 tower heatsink. This CPU cooler stands 178mm tall, with a footprint of 135mm x 119mm. Weighing in at 951 grams, this is one big heatsink that will only fit in full size tower chassis. The Shagon AHC-118 heatsink is built around six 6mm diameter copper heatpipes and a 120x130mm aluminum fin stack. The heatsink features an exposed heatpipe base and utilizes a single 1800-1000RPM 120mm PWM fan.
Today it’s the Cooler Master Gemin II SF524. A mixture of high performance and top down cooler. We’ve seen quite a few companies try this style of cooler and they have some real advantages such as being able to cool RAM modules or the VRM area. The disadvantage is that the heat has further to travel along the heatpipes compared to a tower style cooler. Will that affect the results? Only one way to find out.
Just put the Antec A/V cooler on top of any A/V components air ventilation grid and the cooler will start to suck out the hot air out and away from the A/V component. The idea is simple enough and for $61.01 plus shipping you can have one at your door and ready to use on your precious stereo components. One of the most popular mid-range receivers today is the Onkyo TX-SR806B and at $619 plus shipping this 7.1 Channels, 130 W/Channel receiver also gets pretty hot. When spending that much money on a receiver it only makes sense to make sure that it is being properly cooled...
Thermalright addresses a key issue of picking a cooler for an HTPC by taking their expertise in heatsink design and developing an enthusiast grade CPU cooler that can fit in to an HTPC case. The AXP-140 heatpipe CPU cooler would make a great cooler for just about any system, but because it is only 70.2mm high it is just the thing for keeping an HTPC running cool and quiet.
Cooler Master is a name well known to enthusiasts for their extensive line of enthusiast computer equipment, including cases, CPU coolers, power supplies, and more. They're probably best known for their coolers, though, and today Benchmark Reviews has the Cooler Master Hyper 612 PWM to test against a collection of other coolers. This appears to be an update of Cooler Master's existing Hyper 212 cooler, but how will it perform? Putting it up against an overclocked and overvolted Core i7 950 processor will reveal all.
Keep your laptop from overheating with the Rosewill RNA-7700 Notebook Cooling Stand. This innovative laptop accessory features a silent 220mm fan that circulates the air around the hottest area of your laptop. The powerful fan is rated at 100CFM and can spin up to 550RPM. Best of all, your experience won’t be spoiled by sound since the fan operates at a quiet 16dBA.
Although released in August of 2009, there is little doubt that heatsink manufacturers like Thermaltake are receiving more interest in their Socket 1156 solutions thanks to Intel's release of the new Core processor family at CES back in January. Based on a new 32nm manufacturing technology, these new processors produce much less heat than their 45nm counterparts. But like every heatsink provider, Thermaltake knows there are users who want better-than-stock performance without sacrificing noise or sinking a lot of money into a cooling solution (no pun intended). Does the $29 Thermaltake Silent 1156 fit into this mold?
Vor rund zwei Jahren brachte Alpenföhn den Matterhorn als Speerspitze der eigenen Produktpalette heraus. Gegenüber den Vorgängern aus selben Hause konnte man nicht nur in Sachen Leistung, sondern auch in punkto Design und Verarbeitung neue Maßstäbe setzen. Mit dem Matterhorn Pure bietet der Hersteller das Erfolgsmodell nun in einer leicht abgespeckten Version an.
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