Cooling

Review: CoolerMaster Ultra Vortex HSF

Cooling
The Ultra Vortex is a recent addition to CoolerMaster's enthusiast HSF line, one that addresses the quiet market -- at least in the promotional material and packaging. It is also one of an increasing number of cross-platform HSF. This one works for socket 478 and the AMD K8 sockets. An all copper radial heatsink with thin fins and a 92mm fan: Reminiscent of a Zalman 7000, isn't it? How does it compare? The Ultra Vortex review, complete with MP3 sound files that you can listen to and judge for yourself.

Calibrate Your CPU Temp Reporting

Cooling
Intelligent thermal management is the key to silent computing, but CPU temperature reporting mechanisms in current processors and motherboards are inaccurate, with results that can vary by 10°C or more. The causes of the inaccuracies are complex, but correcting them to a more reasonable margin of error is not terribly difficult. Russ shows you how.

Nexus PFT-3600 P4 Cooler

Cooling
The PFT-3600 is a P4 Cooler with a 70mm fan skivved from a single piece of aluminum. Compact, light and easy to install, it is from Nexus, one of quiet computing's few truly well-established brands. Read the Nexus PFT-3600 review here.

Scythe NCU-2000 Fanless CPU Cooler

Cooling
Scythe continues its tradition of unusual innovation in silent computing components. The NCU-2000 is an update of a HS designed to run completely fanless. This huge model uses flat heatpipes, widely spaced thin fins and a copper base that can rotate so the fins are correctly oriented regardless of CPU socket orientation on socket 478 or A64. Yet it's just 505 grams, a hundred grams lighter than the original NCU-1000; is it better?

Thermalright XP-120: 1st 120mm fan CPU heatsink

Cooling
With Intel CPUs far exceeding the 100W mark, you knew it was going to come to this, sooner or later: A massive heatsink designed to work with a 120mm fan for a new level of cooling. Thermalright is the first out of the gate with their XP120. Thin aluminum fins, a very large radiant surface, copper base and heatpipes. Simply put: Its performance sweeps aside every other HS.

CoolerMaster Vortex Dream Heatsink/Fan

Cooling
The CoolerMaster Vortex Dream is a new heatsink/fan by that offers many high-end features at a budget US$22 MRSP. All-copper one-piece skivved design, cross-platform (P4/A64) compatibility, and an integrated 70mm fan with built-in manual speed control. It's a lot for the money. We hustled the Vortex Dream to the SPCR heatsink torture test chamber to bring you the real goods.

Scythe FCS-50 heatsink/fan

Cooling
Heatpipes, dual fan capability, big and tall, blow-across airflow, hypro bearing fan with wide-range speed controller: These are the core features of Scythe's new multi-platform CPU cooler. The FCS-50 features many thin fins, the flat Heatlane heapipe, and some unique design features. It fits well in Scythe's eclectic HS stable. How cool & quiet is it?

Zalman Reserator1 Fanless WC System

Cooling
Even at first glance you can tell the Zalman Reserator1 is something completely different on the PC cooling landscape. Zalman's first water-cooling system is the first fanless kit to be widely available commercially. SPCR reviewer Russ Kinder says it's almost totally silent. Click here for his long-awaited review of the Zalman Reserator1.

Spire CoolGate SP450B0 Heatsink/Fan

Cooling
Another Spire heatsink under the examining glass, this time the CoolGate heatpipe cooler, said to be for "high performance applications." It uses vertical dual heatpipes to transport heat away from the CPU and the increasingly popular blow-through airflow configuration. Ed Ng takes a close look.

Alpha S-PAL8952 P4 Heatsink

Cooling
The Alpha 8952 is the latest in a long evolution of distinctive "blow-up" fan optimized CPU heatsinks. Can this now venerable high-end aluminum pins on copper base design keep up with the latest heavyweights with processors in the 100W range? SPCR's review of the Alpha 8952 P4 HSF, quiet fan version.

Scythe Samurai SCSM-1000 CPU Cooler

Cooling
Scythe continues its tradition of unusual and effective cooling products with their new Samurai SCSM-1000, an all-platform (socket A, 478 & 754) CPU cooler that combines all-copper construction, a fan with an integrated speed controller, and superior performance with the fan blowing up rather than down. SPCR's Ralf Hutter likes it.

New Stock Intel Prescott P4 Cooler

Cooling
It could be what's standard on Prescott P4s these days, and it's somewhat quieter than the "high-end" copper base version we examined in January, but this HSF definitely does not cool as well. Seem odd for Intel to step backwards in cooling power while increasing CPU heat... Here's our review of the new

CoolerMaster Hyper 6 Heatsink for P4/K8

Cooling
The CoolerMaster Hyper 6 is the biggest and heaviest heatsink yet reviewed by SPCR. It is capable of a new level of quiet cooling performance substantially better than we've ever seen before. The design is advanced and clever yet not without flaws. Another lay-it-bare heatsink review brings you the Good, the Bad and the Ugly of the cross-platform Hyper 6.

Spire Coolwave SP441B0-F HSF review

Cooling
Spire claims their value-oriented Coolwave SP441B0-F heatsink cools even Prescott P4-3.4 and does it quietly. An all copper, low-profile heatsink and an integrated 70mm fan with speed control: Ralf Hutter tells us how it fares.

Review: ActiveCool AC4G Thermoelectric cooler

Cooling
With Intel CPUs soaring well over the 100W mark, questions about the efficacy of conventional heatsink and forced air cooling arise again. The AC4G system from ActiveCool employs one of the likely alternatives: Thermoelectric Cooling. Thermoelectric Coolers (TEC) are nothing new, but Active-Cool aims to put the technology to work in a new way, by varying the power of the TEC in accordance with demand to keep both the temps and the noise down. Our indepth-report on the ActiveCool AC4G.
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