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Print 9 comment(s) - last by spikey27.. on Jun 28 at 8:03 AM
New power supplies for gamers from Corsair

Corsair has rolled out the AX1200i Digital ATX Power Supply which it calls the world's most advanced modular PSU for PC gamers and enthusiasts. Corsair promises high-energy efficiency of up to 92% thanks to 80 Plus Platinum certification.
 
"Corsair has earned a reputation as one of world’s best providers of enthusiast PSUs, and with the AX1200i, we have raised the technology and performance bar far above anything the market has seen,” said Ruben Mookerjee, VP and General Manager of the Components Business Unit at Corsair. “By designing the first DSP-based enthusiast PSU and integrating our unique Corsair Link technology, we can offer enthusiasts a PSU with a matchless combination of performance and customizable features.”
 
The power supply is designed for high efficiency and low heat production. The high efficiency allows the power supply to operate in a silent mode with no fans needed until the power supply reaches a load of 40% of its maximum wattage rating. The PSU also features Corsair Link technology to allow users to monitor statistics of the power supply in real-time including temperature, current draw, and power efficiency. Users can also directly control the internal 140 mm fan.
 
The power supply can also be switched between the default single +12V rail configuration to a tailored multi-rail mode.

Corsair is also announcing a new updated Professional Series HX Power Supply that has 80 Plus Gold certification. This updated series is available in 650 W, 750 W, 850 W, and 1050 W versions.

Pricing on the new power supplies will be announced closer to launch. These new power supplies will pair nicely with the new SSDs Corsair announced yesterday.

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By Quadrillity on 6/6/2012 1:23:58 PM , Rating: 2
One of the very best PSU manufactures in the market if you ask me...




RE: .
By TakinYourPoints on 6/7/2012 6:17:58 AM , Rating: 1
Corsair doesn't manufacture PSUs, they rebrand existing ones (Seasonic, CWT, etc). No complaints either way, I've used Corsair branded PSUs for years, just wanted to clarify.


RE: .
By JPForums on 6/7/2012 7:32:14 AM , Rating: 2
quote:
Corsair doesn't manufacture PSUs, they rebrand existing ones (Seasonic, CWT, etc)

Actually it is somewhere in between. They purchase the design, which calls for a specific layout and component types. However, Corsair's team selects the components and, as I understand it, assemble it themselves. While the end product is very similar, it does allow manufacturers who use Seasonic designs, for instance, to differentiate based on types of fans (ball bearing, sleeve bearing, etc.), fans speed profile, component manufacturers (Nippon Chemicon/Rubicon capacitors, Sanyo Denki fans, etc.). Corsair tends to select high quality components, so their Seasonic designed PSUs perform much the same as their Seasonic branded counterparts.


Much love for Corsair, but...
By Guspaz on 6/7/2012 12:12:20 PM , Rating: 2
I love Corsairs PSUs, but it's almost impossible to build a rig that actually requires a 1200W PSU. You've got to go absolutely nuts on everything, like quad SLI, an overclocked CPU, maxed out DIM slots, four spinning HDDs, a ton of high-power fans, water cooling, etc... And even all barely gets you above 900W if every piece is operating at 100% TDP at the same time.

These ultra-high PSUs go beyond enthusiast category and into the "bilk consumers out of their money" realm...

How much does a modern computer really need? Not as much as you'd think. You throw an i7-3770 with a GeForce GTX-670 and 16GB of RAM in a system (along with, say, a bluray burner and two HDDs or SSDs), which is pretty close to the fastest non-SLI non-OC machine you can get, and you're looking at roughly 300W actual, although you'd want a PSU large enough to give some headroom over that.

There are really very few circumstances where people need more than even just 500W. I can see enthusiasts needing more, but if you're using 1200W, you'd better have a beer cooler built into that thing or something.




By tastyratz on 6/8/2012 7:10:56 PM , Rating: 2
absolutely true.
A quality and efficient power supply of modern design is far better. I think it's bred from people always buying more than they need and cheap poorly made power supplies. It used to be that they were just not reliable at their limits like today's supplies.
Manufacturers are taking advantage of their ignorance on the modern supply. Buying way more than you need if anything will just cost you on your power bill because of the efficiency curve. a 1200w ps just isn't efficient on your 100w while idling trigate system....


Awesome...
By kmmatney on 6/6/2012 1:52:51 PM , Rating: 2
Well - looks awesome to me. I do hope they make a smaller, ~700W unit. I've been running a Corsair 650W PSU for at least 5 years now, and it has been well worth the investment.




Uhmm fanless and relatively light
By Nexing on 6/6/2012 3:42:11 PM , Rating: 2
For a system maxing below 400w, it allegedly behaves as a fanless PSU. I wonder how much does it weight? to compare it with the 3+ kgs typical fanless PSUs carry.




Corsair XA1200i
By spikey27 on 6/28/2012 7:38:50 AM , Rating: 2
Operating efficiency characteristics of PSU's typically look like an inverted "U" - relatively flat in the middle and rapidly falling off at the ends, especially below 10% and above 90%.

Select a PSU so it operates in the middle third or so of its maximum power output, i.e. a 1200W unit should operate between 400W and 800W or so. That way big swings in power usage don't drive it into its less efficient ranges.

That keeps it operating at or near its highest efficiency, and allows for future expansion. How many of us haven't later added something or upgraded our systems?

Operating any equipment near its limits shortens its life drastically, so if there's any question, buy the next larger unit. There are several calculators online to assist you in selection. The cost is minimal for an extra 25% or so in capacity. And the system isn't constantly pumping its guts out because it is too small to handle the load.

All power supplies are influenced by input power fluctuations and produce ripple in the outputs.

Benefits of better units are they usually handle input swings better, with less ripple in the output.

Electronic equipment is harmed more often by power fluctuation and overheating than all other things. Don't forget to blow the dust off of everything in your case occasionally.

Treat your equipment well, and it will return the favor.




Corsair XA1200i followup
By spikey27 on 6/28/2012 8:03:29 AM , Rating: 2
Tom's Hardware has an interesting article on "cheap" power supplies:

http://www.tomshardware.com/reviews/low-cost-psu-p...

Take a look at it before you decide to subject your expensive computer, or even a not-so-expensive one, to the bottom rung.




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