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⚡ Power your ambition with silent, efficient, and modular precision.
The CORSAIR RM550x is a fully modular 550W ATX power supply featuring 80 Plus Gold efficiency, a 135mm magnetic levitation fan for ultra-quiet operation, and premium Japanese capacitors rated at 105°C for exceptional durability. Designed for modern systems with EPS12V connectors, it supports fast wake-from-sleep modes and comes backed by a 10-year warranty, making it a reliable choice for professionals and enthusiasts seeking clean builds and stable power delivery.
| ASIN | B08R4WJR15 |
| Best Sellers Rank | #11 in Computer Power Supplies |
| Brand | Corsair |
| Compatible Devices | Personal Computer |
| Connector Type | EPS |
| Connector Type Used on Cable | EPS |
| Cooling Method | Air |
| Customer Reviews | 4.1 out of 5 stars 21 Reviews |
| Fan Size | 13.5 centimeters |
| Form Factor | ATX |
| Item Dimensions | 6.3 x 5.91 x 3.39 inches |
| Item Weight | 1.5 kg |
| Manufacturer | Corsair |
| Maximum Input Voltage | 127 volts_of_alternating_current |
| Mfr Part Number | CP-9020197-NA |
| Minimum Input Voltage | 115 volts |
| Model Name | RM550X |
| Model Number | CP-9020197-NA |
| Number of Fans | 1 |
| Number of Items | 1 |
| Output Wattage | 550 watts |
| Power Supply Design | Full Modular |
| System Bus Connector Type | EPS |
| UPC | 840006603818 |
| Warranty Description | 10 year manufacturer |
| Wattage | 550 watts |
A**P
ATX and CPU cables too rigid.
Good PSU but the cables bundled could be better. The ATX and CPU cables are so rigid and have large unbendable sections where insulation overlaps, that I can not use them in my micro case (Silverstone PS15). Had to order another cable set with flexible cables.
L**E
Still not sure
I bought this to conserve powr and support my NVIDIA card in my DELL T1700. This PSU model is a ZERO fan noise buy design until it calls for fan to run. I've maxxed the computer 3 times doing video edit and CAD 3d rendering for several hours and the PSU fan never started. 2 case fans, CPU fan and video card fan all ran full speed to during those exercises. There's no way to override the PSU configuration to test the fan. PSU is working I guess but as a passive power supply.
B**N
Bought New Came Used
I bought this psu new and when it was delivered it came in a poly bag. The psu box had visible damage and had no plastic seal. I could feel and hear the psu sliding around in the box, and when I opened it up the psu had no foam protecting it, there were scuff marks all over the thing. Also, the cables were terribly wrapped with that black wire twisty thing.
B**L
Perfect
Bought this for an office computer build. It's excellent quality, great noise level (i.e., quiet), and easy to work with. It powers an i5 11400, no gpu.
P**H
Works Perfectly
A deal I couldn’t let pass. Exactly what I needed & is working as expected.
J**R
Buy it! Superior idle power efficiency!
Just a great PSU. My i5-10700 is idling at 17watts with a discrete graphics card! T600 quadro. 2 x NVME. 2 X 10 TB hdd (spun down).
A**R
Love it
Exceeds my expectations
R**R
was completely dead
Got a faulty unit, all the pins were completely dead, no voltage. Got a full refund but still 2/5 because it was a major hassle and extremely inconvenient and time consuming to completely disassemble the computer I was building, troubleshoot all the parts, send back the faulty unit and get a replacement.
Trustpilot
1 week ago
5 days ago