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Corsair RM1000x SHIFT 80 PLUS Gold Fully Modular ATX Power Supply Review

Today, we’ll be taking a look at the Corsair RM1000x SHIFT 80 PLUS Gold fully modular power supply (white edition). It uses 100% Industrial-grade, Japanese primary electrolytic capacitors, that are rated up to 105°C for solid power stability and reliability. It features a powerful 12V single rail at 83.3A, giving you a total power output of up to 1000W.

It features a revolutionary side cable interface, an innovative side PSU panel with modular connections, that lets you comfortably plug in cables on to the side face of the PSU, making it easier to connect and manage your cables than ever before.

The PSU is fully ATX 3.1 compliant and 80 PLUS Gold certified. It also supports PCIe 5.1 standards and includes the 16-pin 12VHPWR power cable for NVIDIA GeForce RTX 40 Series graphics card.

It also comes with a low-friction 140mm fan with a fluid dynamic bearing. This along with Zero RPM mode, ensures your PSU will run cool, while staying virtually silent during idle.

It comes with Corsair’s Type 5 Gen1 micro-fit PSU cables, which means you’ll only need to use the cables that your system requires. Less cables means more space.

The package also comes with the white flat modular cables which includes … 24-pin ATX motherboard cable, 2 x 8-pin PCIE/CPU cables, 4 x PCIE power,  1 x 16-pin 12VHPWR cable, 4 x SATA power, and 2 x Molex.

You also get an impressive 10-year warranty, which is amazing.


I would like to send a big thank you to Corsair for the review sample! Here is a snippet of what they have to say about themselves on their website:


More than 20 years of PC performance innovation


Founded in 1994, Corsair has grown from pioneering the high-performance DRAM market to one of the world’s leading providers of enthusiast-grade PC components and peripherals. Our groundbreaking technology and innovation can be found in our high-performance memory, ultra-efficient power supplies, PC cases, PC and CPU cooling solutions, and solid-state storage devices. Under the Corsair Gaming brand, launched in 2014, we provide gaming keyboards, mice, headsets and mouse mats to eSports professionals and anybody who is passionate about competitive PC gaming.


Corsair hardware is regularly featured in showcase “dream systems,” and we have earned the adulation and respect of the press, professional gamers and overclockers, high-end system integrators, and PC enthusiasts worldwide by delivering leading-edge technology backed by renowned service and support.


Corsair has developed a global operations infrastructure with extensive marketing and distribution channel relationships, and our products are available through leading distributors and retailers in over sixty countries worldwide.

To test the power supply, we’ll be using our usual test rig which is comprised of an Intel Core i9-14900K processor, which has a massive Turbo Boost TDP of 253W+ at full load. We’ll also be using an Asus Strix Z790-E Gaming motherboard, 32GB of DDR5-7200 ram, a Lexar NM800 2TB SSD, and a powerful GeForce RTX 4080 Super (with the 16-pin PCIE 5.0 power connector). For cooling, we’ll using a Thermaltake 360 Ultra AIO cooler mounted with 3 x Corsair iCUE Link RX120 RGB cooling fans.

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