CORSAIR HX750i, 750 Watt, 80+ Platinum Certified, Fully Modular - Digital Power Supply

Excellent PSU made by seasonic. Read reviews around the web and you'll see the HX Platinum PSUs have low noise and ripple and deliver their rated power at 90% or better efficiency. I like the modular cable design and the very quiet operation. The Corsair Link software available from Corsairs website for free download is interesting but not a must have. It is interesting that the SW detects the other fans and temperature sensors ie on the mobo, GPU and even the SSD. It does allow to drag and drop labels on a generic PC case to visualize heat transfer in the case and it has graphing and logging functions. It also allows you to set fan profiles for the PSU.My build is:Intel Core i7-4790K 4.0GHz Quad-Core Processor 11W - 88WThermaltake Water 3.0 Extreme 99.0 CFM Liquid CPU Cooler 10W - 15WAsus Z97-A ATX LGA1150 Motherboard 17W - 70WCorsair Vengeance Pro 32GB (4 x 8GB) DDR3-1866 Memory 36W - 36WSamsung 850 Pro Series 256GB 2.5" Solid State Drive 1W - 5WMSI GeForce GTX 970 4GB Twin Frozr V Video Card 36W - 145WTotal: 111W - 359WAt minimum power the SW shows my rig at 80% efficiency. I chose the 750 for OC and future SLI while still keeping around 33% margin. As is, the rig hits 90% efficiency while playing graphics intensive games. A quality product, highly recommended.

I was really hesitant to give this 5 stars actually. Setup is as easy as you'd expect and it was obviously chosen for my build's wattage so there's no problem there. The issue I have is with the cables themselves and the limited information in the manual.The cables: This is highly dependent on your build. This unit comes with many cables, but all of them have soooo mannyy connectorssss. Like I said, most probably like this for versatility, but it is a nightmare for someone with a more streamlined build. Each sata power connector had 4 connectors, this can be said about pretty much every cable. And I only have 1 GPU, but all the PCI power cables have 2x 6+2 connectors, so if you have a window, guess what you'll be looking at? Yeah, ugly.The manual: This pertains only to the "i" model. It has the data plug and the usb cable for data. Both plug directly into the psu, one above the other. The manual mentions the existence of both, but does not explain where both go, only the usb cable. I'm not exactly sure if I am missing out on anything...just makes me uneasy that I didn't plug both in.

This is a great PSU. I haven't had any issues and its plenty powerful to handle my hold setup. It runs quiet and cool. Even when my system is at full load and handling extreme graphics from gaming, the fan has never had to turn on (Which also could be in part from the 3 intake and 3 exhaust fans). I also love the fact this PSU has the ability to connect directly to the motherboard so you can use Corsairs Link software to monitor fan speeds and temps for your different pieces of hardware. For me, its currently monitoring the temps of my hardrives, PSU, GPU, motherboard, and all 6 cores of my CPU. Then it lets me see the fan RPMs of the fans connected to motherboard, GPU, and PSU. I have been extremely happy with this product, even if I may be a little biased against all others since I never buy any other PSU brand but Corsair, ever since I first bought one many years ago.

The best decision i've ever made. I had an ultra lsp 750 PSU which worked fine but it was super noisy. I invested in this PSU and i am loving every second that my computer is turned on now. Ultra quiet , super easy installation on my small case , and efficiently powers up an fx 6350 CPU with an r9 290 GPU and some fans like a walk in the park. Get this if you want one of the best if not the best power supplies out on the market right now to power up your system and save you money.The only cons i can say about this power supply are the cables. All the cables hook in nicely except the 24 pin connector which got a little unplugged after moving my case around , forcing me to open up my case again and adjusting it. Not really a problem , just a minor inconvenience . The cables could be a bit more secure when plugging them in.