CORSAIR RM850x Fully Modular ATX Power Supply – 80 PLUS Gold – Low-Noise Fan – Zero RPM – Black

Name: CORSAIR RM850x Fully Modular ATX Power Supply - 80 PLUS Gold - Low-Noise Fan - Zero RPM - Black
SKU: RM850x
Availability: InStock
Rating: 1.33 (3 reviews)

Model:

Detail:

Condition:

Price:

Original price was: $309.00.Current price is: $223.00.

Warranty:

Quantity:

Shipping:

Payment:

24/7 Online Service

+1 (512) 885-5387
info@jazzcybershield.com

30 Days Return & Refund

You may return a product within 30 days of the delivery date and the proccessing time is 15 days.

Best Price Guarantee

Found it cheaper? Let us know! We're committed to offering the lowest prices around.

Product Detail

Fully Modular: Only connect the cables your system needs, making clean and tidy builds easier.
135mm Magnetic Levitation Fan: Utilizes a magnetic levitation bearing and custom engineered rotors for high performance, low noise, and superior reliability.
EPS12V Connector: For wide compatibility with modern graphics cards and motherboards.
100% All Japanese 105°C Capacitors: Premium internal components ensure 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: High efficiency operation for lower power consumption, less noise, and cooler temperatures.

Description
Reviews (3)

The CORSAIR RM850x Fully Modular ATX Power Supply is a high-performance power supply unit designed for demanding PC builds. With its 850W output and 80 PLUS Gold certification, the RM850x delivers efficient and reliable power to your components. The fully modular design allows you to connect only the necessary cables, reducing clutter and improving airflow within your case. The low-noise fan and Zero RPM mode ensure quiet operation, even under heavy loads. The RM850x is a great choice for gamers, enthusiasts, and professionals who demand the best performance from their power supply.

3 reviews for CORSAIR RM850x Fully Modular ATX Power Supply – 80 PLUS Gold – Low-Noise Fan – Zero RPM – Black

Rated 1 out of 5

Ben Thompson – February 11, 2025

I recently bought the CORSAIR RM850x 850W Fully Modular ATX Power Supply (80 PLUS Gold, Black) from Jazz Cyber Shield, and it’s hands down one of the best PSU purchases I’ve made. The unit arrived brand new, sealed, and with a clean serial number, which is always a top priority for me when building high-end rigs. The PSU runs incredibly quiet, and thanks to the Zero RPM fan mode, it stays silent under low to medium loads. Power delivery is rock solid, and the full modular design makes cable management a breeze. I was also extremely pleased with Jazz Cyber Shield’s service. The item was dispatched quickly, tracking was provided immediately, and their team answered my questions about compatibility with my ATX case and GPU wattage needs. If you’re looking for a top-tier power supply and want the peace of mind of buying from a trusted, professional supplier, I highly recommend both the Corsair RM850x and Jazz Cyber Shield.
Rated 1 out of 5

Thomas Reynolds – March 27, 2025

The CORSAIR RM850x is an outstanding PSU — silent operation, rock-solid stability, and superb build quality. The fully modular design made installation straightforward, and the zero RPM fan mode keeps things whisper-quiet under light loads.

I also decided to try Jazz Cyber Shield with my new setup, and it’s been excellent so far. It runs smoothly, doesn’t slow down the system, and provides great peace of mind with constant protection in the background.

On top of that, the service was brilliant — quick delivery, well-packaged, and helpful communication throughout. Couldn’t ask for more. Will definitely shop here again.
Rated 2 out of 5

Charlotte Green – May 11, 2025

Very happy with my order! The CORSAIR RM850x is an outstanding PSU — silent, efficient, and truly modular, which made my build incredibly clean and easy to manage. You can tell it’s built with quality in mind.

I also purchased Jazz Cyber Shield and have been impressed by its performance. It’s light on system resources, runs quietly in the background, and gives me peace of mind with real-time protection. Definitely a must-have in today’s security landscape.

Big thumbs up for the service too — delivery was fast, the packaging was secure, and your support team was friendly and helpful when I had a quick pre-sales question. Would absolutely recommend your site to others.