Corsair TX750W Power Supply
by Christoph Katzer on October 30, 2008 3:00 AM EST- Posted in
- Cases/Cooling/PSUs
Internals
Opening the housing reveals a standard Channel Well topology, one that has proved quite successful. This topology is starting to get a little older, but it continues to provide good and stable power with decent efficiency. There are three heatsinks instead of the usual two, with the two on the right replacing what is traditionally a single heatsink. The topology makes it very difficult to see the components, since there's always a large heatsink obscuring the view. We would need to remove the heatsinks from the power supply to provide better pictures of the various components, but we were able to make out the labels with a bit of work. The input filtering stage is well built and CWT doesn't change much with the topology since it works just fine. There is a single Matsushita capacitor in the primary, but that is about it from what we can see. Nippon Chemi-Con, a Japanese high-end capacitor manufacturer, makes the secondary caps.
We have seen many of these designs in our test lab to date, and they always performed well. Even though the arrangement of components may be somewhat busy, the outcome with CWT products has always been good. Perhaps that is why CWT has been so successful with this topology. Another one of her complaints has been the heatsink design, since the fins obscure the component and block airflow. In fact, the temperature readings later in this review will support this complaint, since the left heatsink in the secondary stage reaches up to 75°C (and that's in a room temperature environment).
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Martimus - Thursday, November 6, 2008 - link
Holy Voltage Ripple Batman!I can't believe that a Corsair PSU is that bad at load. If I were running the test, I would double check to make sure I wasn't loading it improperly, because I wouldn't expect such a poor showing. I kind of hope that it was an error on your part, since I don't know any other manufacturers that make silent PSU's with the quality Corsair usually provides. PCP&C are always rock solid, but they usually are a little loud.
OddJensen - Thursday, November 6, 2008 - link
Well, I'm very happy with my Corsair units, and so are the people which I recommended them to. It's good quality without being extremely pricey. I trust mine as much as any other high quality brand. Haven't gotten a TX750 yet tho, I've mostly gone with the Seasonic sourced ones.billt - Tuesday, November 4, 2008 - link
I have two Corsairs's where OEM is Seasonic; they are great and the reviews reflect that. The non-Seasonic Corsairs are not the same quality, as this review reflectsXiZeL - Friday, October 31, 2008 - link
i dont get why it wont do crossfire...JarredWalton - Sunday, November 2, 2008 - link
It will do CrossFire just fine - it's just not CF certified by AMD/ATI. But then, is that even something that they do? I don't know.Barbarossa - Tuesday, November 4, 2008 - link
Actually the TX750 is certified as well:http://game.amd.com/us-en/crossfirex_components.as...">http://game.amd.com/us-en/crossfirex_components.as...
poohbear - Thursday, October 30, 2008 - link
"We also received an HX520W recently"
recently? This psu was one of corsairs first and its like 2 years old now, how come u're just receiving it now??
Christoph Katzer - Friday, October 31, 2008 - link
I don't know why it's not clear that there are a few PSUs more than just Corsairs. We do our best but can't have all the time the latest stuff from each company. And like in this case if we forget a unit we test it later again after it settled.Amart - Thursday, October 30, 2008 - link
Excellent review, especially considering the price changes on the market. I recently upgraded my PSU and this one was one of the considerations. I went with the PCP&C 610 Silencer, slightly less expensive and I like the Continuous @ 40c guarantee that they offer.By the way, the most recent BFG models in the price range also offer the same "40c" performance guarantee and get excellent reviews.
I don't know why Corsair stopped using that as part of promoting their products.
Barbarossa - Thursday, October 30, 2008 - link
Actually, all the TX750 is Continuous @ 50C.The only PSU we sell that's rated @ 40C is the CX400.