![](/Content/images/logo2.png)
Original Link: https://www.anandtech.com/show/7333/corsair-releases-rm-series-power-supplies
Corsair Releases RM Series Power Supplies
by Ian Cutress on September 14, 2013 9:35 AM EST![](https://images.anandtech.com/doci/7333/rm450_sideview_a_678x452.png)
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 |
![](https://images.anandtech.com/doci/7333/rm650_accessories_575px.png)
The RM Series are available on Corsair's website direct or select e-tailers.