--- product_id: 58232052 title: "Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply (Low Noise, Zero RPM Fan Mode, 105°C Capacitors, Fully Modular Cables, Compact Size) Black" brand: "corsair" price: "€ 505.75" currency: EUR in_stock: true category: "Corsair" url: https://www.desertcart.hr/products/58232052-corsair-rmx-series-rm850x-850-watt-80-gold-certified-fully store_origin: HR region: Croatia --- # 850W peak power 80+ Gold efficiency Zero RPM fan mode Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply (Low Noise, Zero RPM Fan Mode, 105°C Capacitors, Fully Modular Cables, Compact Size) Black **Brand:** corsair **Price:** € 505.75 **Availability:** ✅ In Stock ## Summary > ⚡ Power up silently, perform endlessly. ## Quick Answers - **What is this?** Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply (Low Noise, Zero RPM Fan Mode, 105°C Capacitors, Fully Modular Cables, Compact Size) Black by corsair - **How much does it cost?** € 505.75 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/58232052-corsair-rmx-series-rm850x-850-watt-80-gold-certified-fully) ## Best For - corsair enthusiasts ## Why This Product - Trusted corsair brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Premium 105°C Japanese capacitors ensure rock-solid stability and a decade of worry-free use. - • **Cool Under Pressure:** 80 PLUS Gold certification guarantees cooler temps and lower energy bills, keeping your system efficient and eco-friendly. - • **Power that Performs:** 850 watts of reliable, high-efficiency power to fuel your high-performance rig without compromise. - • **Whisper-Quiet Operation:** Zero RPM fan mode keeps noise at bay during low to medium loads—focus on work or play without distractions. - • **Clean & Customizable Setup:** Fully modular cables mean you only connect what you need—streamline your build and reduce clutter. ## Overview The Corsair RM850x is an 850-watt, 80 PLUS Gold certified fully modular power supply designed for professionals and enthusiasts seeking quiet, efficient, and reliable power delivery. Featuring zero RPM fan mode for near-silent operation, premium 105°C Japanese capacitors for durability, and a compact form factor, it’s backed by a 10-year warranty to ensure long-term peace of mind. ## Description Corsair RM850x series power supplies are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. Using only Japanese 105 Degree C capacitors, users can depend on an RM850x PSUs' long life and reliability, backed by a ten year warranty. Zero RPM Mode means an RM850x series PSU is virtually silent at low and medium loads, and even at maximum power, a low noise fan ensures quiet operation. Fully modular cables make PC builds and upgrades easy, as you only need to install the cables your system requires. Quiet, efficient and dependable, an RM850x PSU has everything you need to power your high performance PC for years to come. ## Features - 80 Plus Gold certified for lower power consumption, less noise and cooler temperatures - For maximum cooling surface area and performance - Zero RPM fan mode for near silent operation at low to medium loads; Continuous output rated temperature: 50°C - 100 percent industrial grade, 105°C rated Japanese capacitors ensure unwavering power and reliability - Fully modular cables, so you only connect the cables your system needs. Fan size-5.3 inches iCUE Compatibility-No. Modern Standby Compatible- No ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B079H5WNXN | | Best Sellers Rank | #1,169 in Computer Power Supplies | | Brand | Corsair | | Built-In Media | 2 EPS/ATX12V CABLE 8-PIN (4+4), 2 PERIPHERAL CABLE (4-PIN), 2 SATA CABLE (3 SATA), 3 PCIe CABLE 8-PIN (6+2), ATX CABLE 24-PIN (20+4), FLOPPY DRIVE ADAPTER (4-PIN), RM850x 80 PLUS Gold Fully Modular ATX Power Supply, SATA CABLE (4 SATA) | | Compatible Devices | Personal Computer | | Connector Quantity | 36 | | Connector Type | ATX, EPS | | Connector Type Used on Cable | ATX, EPS | | Cooling Method | Air | | Customer Reviews | 4.8 out of 5 stars 13,072 Reviews | | Fan Size | 135 Millimeters | | Form Factor | ATX12V | | Global Trade Identification Number | 00843591035187 | | Item Dimensions | 6.3 x 5.91 x 3.39 inches | | Item Type Name | Computer Power Supply | | Item Weight | 3.66 Pounds | | Manufacturer | CORSAIR | | Maximum Input Voltage | 120 Volts (AC) | | Mfr Part Number | CP-9020180-NA | | Minimum Input Voltage | 100 Volts (AC) | | Model Name | RMx | | Model Number | CP-9020180-NA | | Number of Fans | 1 | | Output Wattage | 850.0 | | Power Supply Design | Full Modular | | System Bus Connector Type | 24 Pin (ATX), 4+4 Pin (EPS) | | UPC | 843591035187 | | Upper Temperature Rating | 105 Degrees Celsius | | Warranty Description | 10 years warranty | | Wattage | 850 watts | ## Product Details - **Brand:** Corsair - **Compatible Devices:** Personal Computer - **Connector Type:** ATX, EPS - **Cooling Method:** Air - **Form Factor:** ATX12V - **Item Weight:** 3.7 Pounds - **Item dimensions L x W x H:** 6.3 x 5.91 x 3.39 inches - **Model Name:** RMx - **Output Wattage:** 850.0 - **Wattage:** 850 watts ## Images ![Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply (Low Noise, Zero RPM Fan Mode, 105°C Capacitors, Fully Modular Cables, Compact Size) Black - Image 1](https://m.media-amazon.com/images/I/71dj+5GQwEL.jpg) ![Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply (Low Noise, Zero RPM Fan Mode, 105°C Capacitors, Fully Modular Cables, Compact Size) Black - Image 2](https://m.media-amazon.com/images/I/71IwzclT-BL.jpg) ![Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply (Low Noise, Zero RPM Fan Mode, 105°C Capacitors, Fully Modular Cables, Compact Size) Black - Image 3](https://m.media-amazon.com/images/I/71lC87jrBIL.jpg) ![Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply (Low Noise, Zero RPM Fan Mode, 105°C Capacitors, Fully Modular Cables, Compact Size) Black - Image 4](https://m.media-amazon.com/images/I/71HU8YYHsHL.jpg) ![Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply (Low Noise, Zero RPM Fan Mode, 105°C Capacitors, Fully Modular Cables, Compact Size) Black - Image 5](https://m.media-amazon.com/images/I/71OiicdSTSL.jpg) ## Available Options This product comes in different **Pattern, Size** options. ## Frequently Bought Together - Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply (Low Noise, Zero RPM Fan Mode, 105°C Capacitors, Fully Modular Cables, Compact Size) Black - Samsung 990 PRO SSD NVMe M.2 PCIe Gen4, M.2 2280 Internal Solid State Hard Drive, Seq. Read Speeds Up to 7,450 MB/s for High End Computing, Gaming, and Heavy Duty Workstations, MZ-V9P2T0B/AM - AMD Ryzen 7 7800X3D 8-Core, 16-Thread Desktop Processor --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/58232052-corsair-rmx-series-rm850x-850-watt-80-gold-certified-fully](https://www.desertcart.hr/products/58232052-corsair-rmx-series-rm850x-850-watt-80-gold-certified-fully) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-21*