CORSAIR Refreshes RMx PSUs with ATX 3.1 Standards and New Connector Design

Corsair's updated RMx series of power supplies features a native ATX 12V-2x6 connector, fully modular and flexible cables, a new electrical design for better performance and durability, a quiet and efficient 140 mm FDB fan, and a sleek design that is compatible with custom cables and ARGB lighting, making it a top choice for PC builders.

The new RMx series is compliant with the ATX 3.1 standard, making it ready for the next generation of high-performance hardware.
The fully modular, ultra-flexible embossed cables make for a clean and organized build, even in tight spaces.
The six-layer PCB design and Gold certification for efficiency (up to 91%) ensure that the RMx power supplies are not only efficient, but also built to last under pressure.

Corsair has just dropped an update to its popular RMx series of power supplies, and if you’re into building PCs, you might want to pay attention. They’ve stepped up their game with the new RMx series, now compliant with the ATX 3.1 standard—a move that feels almost essential as we gear up for the next generation of high-performance hardware.

So, what’s the big deal? For starters, the RMx series now features a native ATX 12V-2×6 connector. This means it’s ready to handle the power demands of both current and future Graphics Cards without breaking a sweat. If you’ve ever wrestled with cables in a cramped case, you’ll appreciate the fully modular, ultra-flexible embossed cables that come with this new lineup. They’re designed to make your build look clean and organized, even in tight spots. Trust me, there’s nothing quite like the satisfaction of a well-routed cable setup.

Jon Gerow, Corsair’s Director of Power Supply Research and Development, shared some insights about the new design. “We’ve introduced an entirely new electrical design that includes a six-layer PCB for better thermal and electrical performance,” he said. Essentially, this means the RMx power supplies are not just efficient—they’re built to last, even under pressure. With a Gold certification for efficiency (up to 91%) and an A+ noise rating from Cybenetics, these PSUs are engineered to deliver reliable power without the annoying whir of a fan in the background.

Speaking of fans, the RMx series is cooled by a 140 mm Fluid-Dynamic Bearing (FDB) fan, which boasts a magnetic dome structure. This design minimizes surface friction, resulting in quieter operation and a longer lifespan. The fan curve is thoughtfully calculated, allowing for fanless operation at low loads. But if you’re the type who likes to take control, there’s a manual fan speed control knob on the back of the unit. It’s a small feature, but it’s one of those little touches that can make a big difference when you want to crank up performance.

Now, let’s talk about aesthetics. The RMx series doesn’t just perform well—it looks good doing it. The new enclosure features a stamped, low-restriction fan grill and an improved connector layout with clearer labeling. Plus, if you’re into customizing your rig, it’s compatible with Corsair’s Premium Individually Sleeved Type 4 PSU cables and ARGB PSU cable strips. Imagine having a power supply that not only powers your system but also adds a splash of color to your build. It’s the kind of detail that can make a personal computer feel like a work of art.

The RMx series is available in 750 W, 850 W, and 1000 W models, so there’s something for everyone, whether you’re building a mid-range setup or a high-end gaming rig. Each unit is designed to deliver its rated power output at a sizzling 50°C ambient temperature, ensuring that even during intense gaming sessions, your system remains stable and reliable.

If you’re in the market for a new power supply, the RMx series is worth checking out. With its blend of performance, efficiency, and thoughtful design, it’s clear that Corsair has put a lot of thought into this update. For more details, you can visit the product pages for the 750 W, 850 W, and 1000 W models. Happy building!

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Background Information

About Corsair:

Corsair, founded in 1994, is a manufacturer of high-performance gaming and enthusiast PC components and peripherals. The company specializes in producing top-tier gaming keyboards, mice, headsets, as well as computer cases, power supplies, and memory modules. Corsair has earned a strong reputation in the industry for its commitment to quality and innovation, catering to gamers and PC enthusiasts worldwide.

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Technology Explained

ATX: ATX (Advanced Technology eXtended) is a type of motherboard form factor that has become the standard in the computer industry. It was first introduced in the mid-1990s and has since evolved to become the most widely used form factor for desktop computers. The main purpose of ATX is to provide a standardized layout for computer components, making it easier for manufacturers to design and produce compatible parts. This has led to a more efficient and cost-effective production process, resulting in more affordable and reliable computers for consumers. Additionally, the ATX form factor allows for better airflow and cooling within the computer, which is crucial for maintaining optimal performance. Overall, ATX technology has greatly contributed to the advancement of the computer industry by providing a universal standard for computer components and improving the overall functionality and reliability of computers.

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PCB: Printed Circuit Boards (PCBs) are the backbone of the modern computer industry. They are thin boards made of a non-conductive material, such as fiberglass, with a thin layer of copper on top. This copper layer is etched with a pattern of electrical pathways that connect the various components of a computer together. PCBs are used in almost every electronic device, from computers to cell phones, and are essential for the functioning of these devices. They provide a reliable and efficient way to connect the components of a computer, allowing for faster and more reliable communication between them. The use of PCBs has revolutionized the computer industry, allowing for smaller, faster, and more reliable computers.

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PSU: A Power Supply Unit (PSU) is an essential component of any computer system. It is responsible for providing the necessary power to the components of the computer. It converts the alternating current (AC) from the wall outlet into the direct current (DC) that the computer components need. The PSU also regulates the voltage and current to ensure that the components are not damaged by too much or too little power. The PSU is also responsible for providing the necessary cooling to the components, as well as protecting them from power surges. In the computer industry, PSUs are used in desktop computers, laptops, servers, and other electronic devices. They are also used in gaming consoles, home theater systems, and other consumer electronics.