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 Post subject: Corsair AX1200i - DSP controlled PSU for high efficiency
PostPosted: Tue Jun 05, 2012 4:50 pm 
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Joined: Tue Apr 13, 2004 7:12 pm
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Location: Toronto, ON
Hi All,

Surprised no one has mentioned this new PSU from Corsair: ... rolled-psu

Anandtech wrote:
Corsair introduced its new AX1200i (1200W) PSU with a integrated DSP that controls voltage regulation, resulting in higher efficiency (80 Plus Platinum rated, up to 92% efficiency) and better control over voltage ripple. The DSP allows Corsair to reduce component count within the PSU itself, which increases efficiency and reduces thermal output. As a result, for all loads below 480W the AX1200i is actually fanless by default. You can override the behavior but that's the default.

Corsair exposes control and monitoring of the DSP via a bundled Corsair Link USB adapter and software. You can monitor power consumption on all attached connectors (e.g. PCIe, 24-ping) as well as keep an eye on efficiency and configure over current protection on the PCIe power connectors.

The AX1200i will retail for $350 when it ships in late July/early August.

Regardless if it's overkill or not, it's a pretty neat thing that I think will help a lot of reviewers more accurately gauge power consumption of various peripherals. Video card consumption will still be a tough, unless for sure the PCI-E slot will only deliver 75W tops.

Fanless up to 480W is brilliant. Hopefully this can trickle down into lower wattage units and offer some highly-efficient fanless SFX form factor PSUs for our dinky little ITX rigs, or simply to offer some more breathing space in the increasingly popular mATX builds we've been seeing. I'm just hoping that with the controller that we don't have a new source of electrical whining/squealing/pulsing noises.

solo ii: i7 3770k - p8z77-v pro - 4x4gb - gtx660ti - crucial m4 256gb - ax750
t61p: t9300 - 2x2gb - intel 330 240gb
win2008: i3 2100 - z77pro3 - 2x4gb - arc-1231ml 12x2tb wd eads r6 - cx400

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