Specifications
Wattage1200 wattsModularFully modularEnergy Efficiency80 PLUS GoldATX Connector1x 24-pin ATX (24-pin) Connector. 2x ATX 12V/EPS12V (4+4-pin) ConnectorsPCIe Connector8Peripheral Connector8
Key Specs
Wattage1200 wattsModularFully modularEnergy Efficiency80 PLUS GoldATX Connector1x 24-pin ATX (24-pin) Connector. 2x ATX 12V/EPS12V (4+4-pin) ConnectorsPCIe Connector8Peripheral Connector8SATA Connector16EPS12V Connector2Product Length150.11 millimeters
General
Product NameRMx Shift Series RM1200x 80 Plus Gold Fully Modular ATX Power Supply with Modular Side InterfaceBrandCORSAIRModel NumberCP-9020254-NAColorBlackColor CategoryBlack
Power
Wattage1200 wattsModularFully modularEnergy Efficiency80 PLUS GoldSpecification ComplianceATX 3.0 / EPS12V 2.92Overload ProtectionYesPower Cord IncludedYesCord Length5 feet
Connectivity
ATX Connector1x 24-pin ATX (24-pin) Connector. 2x ATX 12V/EPS12V (4+4-pin) ConnectorsFloppy ConnectorFALSEMain ConnectorATX 24-pinPCIe Connector8Peripheral Connector8SATA Connector16EPS12V Connector2
Dimensions
Product Height129.03 millimetersProduct Width180.09 millimetersProduct Length150.11 millimetersProduct Weight70.4 ounces
Cooling
Cooling SystemAirCooling Fan TypeFluid Dynamic Bearing FanFan/Cooling System ConnectorPCI E, ATXNumber of Fans Included1
Features
Lighting TypeNone
Warranty
Manufacturer's Warranty - Parts10 yearsManufacturer's Warranty - Labor10 years
Other
UPC840006654094
CORSAIR RMx SHIFT Series fully modular power supplies boast a revolutionary side cable interface to keep all your connections within quick reach, for exceptionally convenient 80 PLUS Gold efficient power. With fully modular micro-fit connections and ATX 3.0 compliance, RMx SHIFT makes clean PC builds and upgrades even easier. RMx SHIFT PSUs use Japanese 105°C-rated electrolytic capacitors, for long life and reliability backed by a ten-year warranty. A 140mm fluid dynamic bearing fan utilizes a specially calculated fan curve for high performance and reliability with low noise, while Zero RPM mode support ensures virtually silent operation at low and medium loads. For quiet, efficient, and accessible power, put an RMx SHIFT Series PSU on your side.
Innovative Easy-Access Connection Position
Modular connections on the side of the PSU mean easier access for your cables and simpler, cleaner cable management.
Fully Modular Micro-Fit PSU Connectors
CORSAIR Type 5 Gen 1 micro-fit PSU cables mean you only connect the cables your system needs while taking up less space.
140mm Fluid Dynamic Bearing Fan
Utilizes a specially calculated fan curve for high performance, low noise, and superior reliability.
Intel ATX 3.0 Certified
Compliant with the ATX 3.0 power standard, supporting the PCIe Gen 5 platform and resisting transient power spikes.
100% 105°C-Rated Japanese Electrolytic Capacitors
Premium internal components deliver unwavering power delivery and long-term reliability.
Modern Standby Compatible
Extremely fast wake-from-sleep times and better low-load efficiency.
80 PLUS Gold Certified
Steady power output at up to 90% efficiency, and Cybenetics-certified for lower power consumption, less noise, and cooler temperatures.
Zero RPM Fan Mode Support
At low and medium loads the cooling fan switches off entirely for near-silent operation.
Resonant LLC Topology with DC-to-DC Conversion
Provides clean, consistent power and enables use of more energy-efficient sleep states.
Ten-Year Warranty
Your guarantee of reliable operation that will last across several system builds.
What's Included
RM1200X
1x 24-pin ATX (24-pin) Connector
2x ATX 12V/EPS12V (4+4-pin) Connector
1x PCIe 5 (12+4-pin) 12VHPWR Connector
4x PCIe (6+2-pin, dual) Connectors
4x PCIe (6+2-pin) Connectors
16x SATA (Straight) Connectors
8x PATA Connectors
Search
Q: QuestionWhen will the US version come with the atx 3.1 12v-2x6 connector like the EU units have?(1 answer)
A: AnswerHi, The 12VHPWR cable included is ATX 3.1. If you have any additional questions, please feel free to reach out to support via our website - we'd be happy to assist. -AlbertAnswered by Corsair
- A: AnswerHello, I'm afraid we don't have any HYTE case certified to be compatible. The PSU and cables will fit in any PC case that supports ATX PSU format and is at least 210mm (8.3") wide. The PSU must also be accessible from the side when mounted in the case. -Art
Answered by Corsair
- A: AnswerHello, Yes, and yes. You do not have to purchase a separate cable. When in doubt, please visit the product page directly on our site. -Art
Answered by Corsair
- A: Answerabsolutely, providing the black screens aren't due to another issue. I have a 7900XTX, 7800x3d and 12 case fans with no issues. You can also test out your system by restricting power to the GPU or setting a very low frame cap to reduce power draw and watch for the same black screen/reboots. Letting the 7900xtx run wide open can draw a ton of power.
Answered by Gamerdude74
Q: Questiondo it comes with the cable(4 answers)
A: AnswerIt comes with a plethora of modular cables. You only use what you need. And I guarantee you don’t need them all.Answered by DavidB
CORSAIR - RMx Shift Series RM1200x 80 Plus Gold Fully Modular ATX Power Supply with Modular Side Interface - Black
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Reviews
Rating 4.7 out of 5 stars with 54 reviews
4.7Rating by feature
- 4.6Value
Rating 4.6 out of 5 stars
- 4.7Quality
Rating 4.7 out of 5 stars
- 4.8Ease of Use
Rating 4.8 out of 5 stars
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Rated 5 out of 5 stars
Power, build quality, side connections and more
I have been a long-time purchaser of Corsair PSUs. This RM1200x is powering my current build flawlessly and seems to be of the same quality I am used too. I have a 7800x3d, Asrock Taichi B650e, 64gb CL 30 6000 Ram, Asrock Taichi 7900XTX and 12 case fans in a 7000D case. The system has been super stable, and I have had zero power issues. I wasn't sure about how I would feel in regard to the side connections for all the PSU cables. While using the 7000d I have had zero issues and find the side connections very convenient and easy to work with. I think if you had a case with closer clearance between the frame and the case backing/door the side mounting could be a potential issue. The fact that it is ATX 3.0 was important to me. It also has 4 single 8 (6+2) pin pcie cables so I could connect the 7900XTX without having to use the pigtail style. There is a new metric being used that includes a CYBENETICS rating which I don't recall being included in the description. I have included a picture of the CYBENETICS rating for this PSU. I don't care for using words like overkill. In my opinion purchasing key components like PSUs above what you think you will need will always allow for system to function under less strain and also provide for more future upgradability. I would rather save up more money for a build than to ever drop a level on core components such as a PSU. I would absolutely recommend this PSU.
Posted by Gamerdude74
Rated 5 out of 5 stars
Good Power Supply For Power Hungry Parts
This is a great power supply for when you have 12th or 13th gen Intel chips and an Nvidia RTX card. I'm using a water cooling AIO along with lots of fans and argb lighting. This power supply comes with a cable that plugs directly into the GPU without having to use an adapter for the 12 pin plug. The plugs for the cables are on the top also, so you'll have to make sure your case has space above the power supply instead. With the cable plugs being at the top, it's so much easier to manage cabling. I highly recommend if you're needing to plug your power cables in at the top.
Posted by Rvalle
Rated 5 out of 5 stars
Perfect for the 4090
Corsair quality doesn’t need introduction so, the high outlut plus the new 600 w capabilities make all the difference
Posted by alex
