Power

Cooler Master Real Power 550

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It's a step up from the 450W model we reviewed a while ago, and it has the same range of features, high efficiency, and compliance with both ATX12V 2.xx as well as EPS12V. This means, for instance, three 12V lines. Is the Cooler Master Real Power RS-550-ACLY quiet enough for SPCR?

Coolmax CU-400T & 600T Detachable Cable PSUs

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Coolmax offers up a line of power supplies with detachable cables that they say is also very quiet. We run them through the SPCR PSU test routines to check acoustics, thermal behavior, power delivery and stability. Those seeking high current on a single 12V line will be pleased.

Seasonic S12-500 & S12-600 Power Supplies

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They are the most powerful of the S12 series, and they are based on a more efficient circuit design than the smaller models in the line. The S12-430 is the current quiet leader among fan-cooled PSUs, but the 500 and 600 have even higher efficiency and dual PCI-e vidcard support for SLI. And they all have new Adda brand 120mm fans. SPCR's full review on the S12-500 and S12-600.

Antec Phantom 500

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Antec adds a fan to their Phantom 350 fanless PSU, increases output to 500W, keeps the price the same, and calls it a "Hybrid Technology" power supply. Is this more marketing double talk or a genuine improvement? If a fanless PSU is silent, how is a fan-equipped version better? Which should you get, since they're the same price? Our long review on this rather complicated product.

Thermaltake W0029 Fanless Purepower 350 PSU

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Thermaltake's entry into the fanless PSU sweepstakes features not only a heavy external casing but heatpipes and external copper fins borrowed from one of their heatsinks. No 24-pin ATX, but SATA connectors; no PFC but high efficiency.

Seasonic S12-430: Beyond the Super Tornado

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Seasonic's S12 series was recently introduced as a replacement for the now >18 month old Super Tornado series. It shares much with the earlier series, but does everything just a little bit better. The 430, the middle of five models, is about the quietest fan-cooled PSU we've reviewed, by a small margin, and also one of the most efficient.

Raidmax RX-520XPW Power Supply

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It's a very consumer-directed "Feature-laden" power supply with windows, shiny silver finish, LED fans, a convenience AC outlet, reasonably quiet fans and big claims of low noise. Our first enounter with a Raidmax PSU did not impress us, despite all the bling.

Enermax Noisetaker EG701AX-VE SFMA 2.0: 600 Watts!

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The current top-of-the-line Noisetaker power supply, now in second gen, is a humdinger with 600W rated output capacity and more up-to-date connections than most desktops are ever likely to use. Amazingly, it's still pretty quiet, so if you need a few extra horses under the hood to put a little more swagger in your walk...

Clever Power SPS-400

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It's unique in two ways: A 15cm blower fan... which provides enough space on the back panel for four convenience AC outlets! The 400W ATX12V v1.3 compliant Clever Power SPS-400 is also claimed to have a noise level of only 18~25 dB. Our review lays a sample of this unusual PSU on the examining table.

Fortron-Source Power Blue Storm AX500-A PSU

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Fortron-Source is the source for many power supplies in the PC marketplace, not just under their own brand but many others and as OEM gear. Blues Storm is definitely one of their own line, a new one that features many modern features and performance -- including one of the flattest power efficiency curves we've seen on any PSU tested. We take this out this new 120mm fan PSU out for a few tests.

OCZ ModStream OCZ-520 12U Power Supply

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OCZ Modstream 520It's now official: The retail power supply sector for PCs has gone amok and every brand under the sun must have a line of PSUs. For OCZ, associated till this year almost entirely with RAM memory, the Modstream series is their second PSU line in six months. Its raison d'être? Lotsa bling and detachable cables. It has a great fan controller, but the 120mm blue LED fan is not what we're used to hearing from Yate Loon recently, as you'll read about and hear in our review.

Cooler Master Real Power RS-450-ACLY Power Supply

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Yet another 120mm fan PSU, with a bit of a twist: As befits the brand, this Cooler Master PSU has a "Human Computer Interface" along with a blue LED fan for head-turning appeal. HCI turns out to be their marketingspeak for a power monitor. Our review digs into the essentials: Performance and noise.

Nexus NX-4090 "Real Silent" PSU

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Our review of the Nexus NX4090 PSU looks almost like a revisit of the NX3500 we reviewed a year ago. The two 120mm fan PSUs look like peas in a pod. But there are meaningful differences: More power, higher efficiency, and most importantly for SPCR, lower noise in actual operation.

Ultra X-Connect 500W PSU

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The Ultra X-Connect 500 PSU is said to have preceded the Antec NeoPower 480 reviewed here some weeks ago. Their similarity is a Modular Cable Connection System that allows you to use only the output cables and connectors you need. The X-Connect is a bit more showy and uses two 80mm fans instead of the NeoPower's single 120mm fan. What other differences are there, and is it suitable for quiet computing? The Ultra X-Connect 500 review features our first sound recordings of PSUs so you can judge the acoustics for yourself.

Antec Phantom 350: Super-efficient Fanless PSU

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Click here for the Antec Phantom 350 review. The Antec Phantom fanless PSU was rumoured about almost a year ago. It's finally been released. Its big claim to fame? Extremely high efficiency. Higher than any other PSU tested by SPCR -- by no small margin. Click here for the Antec Phantom 350 review.
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