Corsair Releases RM Series Power Supplies
by Ian Cutress on September 14, 2013 9:35 AM EST
Corsair sell a lot of components for PCs: memory, cases, SSDs, cooling, peripherals and power supplies to name their current lineup. For that last element, Corsair have released a new range of 'ultra-quiet' fully modular power supplies, dubbed the RM series. These PSUs replace the TX Series line while offering 80 PLUS Gold across the range, meaning a minimum energy efficiency at 87% for 20% load and 90% for 50% load (88%/92% respectively for 230V AC).
The RM series will have several models available from 450W up to 1000W. Each power supply offers a low noise Corsair NR135L fan plus a Zero RPM Fan mode (for low usage operation under 40% load), as well as low profile modular cables. Select models (such as the RM1000) come with a Corsair Digital Bridge cable and Corsair Link compatibility for real-time monitoring of fan speeds and power delivery. Each PSU comes with a five year warranty included and is Haswell compatible.
| RM450 | RM550 | RM650 | RM750 | RM850 | RM1000 | |
| Power | 450W | 550W | 650W | 750W | 850W | 1000W |
| Warranty | 5 Years | 5 Years | 5 Years | 5 Years | 5 Years | 5 Years |
| Length | 16 cm | 16 cm | 16 cm | 18 cm | 18 cm | 18 cm |
| 24-pin ATX Connectors |
1 | 1 | 1 | 1 | 1 | 1 |
| 8-pin CPU Connectors |
1 | 1 | 1 | 1 | 2 | 2 |
| 6+2-pin PCIe Connectors |
2 | 2 | 4 | 4 | 6 | 8 |
| 4-pin Molex Connectors |
4 | 4 | 7 | 7 | 8 | 11 |
| SATA Connectors |
6 | 6 | 8 | 8 | 10 | 12 |
| Floppy Connectors |
1 | 1 | 2 | 2 | 2 | 2 |
| Price (US) | $100 | $110 | $120 | $130 | $150 | $200 |
The RM Series are available on Corsair's website direct or select e-tailers.
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maximumGPU - Saturday, September 14, 2013 - link
doesn't their AX series also have "zero rpm fan mode" when below a certain threshold?EnzoFX - Saturday, September 14, 2013 - link
Yes, but this is supposed to be lower end. It's still has all the whistles, so it's more like midrange? I sale prices to be lower, seeing as comparing at retail doesn't seem to have a big price difference. I welcome the practical wattage rain. The high end will probably go all platinum efficiency.Impulses - Saturday, September 14, 2013 - link
The naming scheme is getting confusing, although I admit I haven't shopped for a PSU in a few years (not since I got the AX750)... First they had VX and HX, then they added AX as a premium line, when did TX happen? (or was that always in between VX & HX?) Now it's RM...FragKrag - Saturday, September 14, 2013 - link
TX has existed for a while now...Impulses - Saturday, September 14, 2013 - link
Ok, yeah, and there was also a CX series I think... But why break convention now when they've updated the existing lines multiple times in the past.numberoneoppa - Saturday, September 14, 2013 - link
I purchased a TX650 when the Nahalem (i7 920) came out, so it's been a while. They're due for a nice change, and modular? Sounds good to me. It looks like these are based off of the Seasonic G series, though (I'm not complaining).Indifference - Saturday, September 14, 2013 - link
Base on realhardtechx the OEM of this PSUs are CWT and Chicony. 750w and 850w variants are Chicony and the rest are CWT.numberoneoppa - Saturday, September 14, 2013 - link
Cool, thanks.Flunk - Saturday, September 14, 2013 - link
I believe their branding is purposefully confusing, similar to their memory branding.HisDivineOrder - Saturday, September 14, 2013 - link
They figure if they confuse you enough, you'll either go with the cheapest one regardless or the highest end. Either way, they're going to profit because those are the places where they make the most margin since they cheap the cheap out of cheap PSU's on the low end.