1. Guides
  2. »
  3. product guide
  4. »
  5. Gadgets
  6. »
  7. Power Supplies
  8. »
  9. 850W power supply – The 15 best products in comparison

850W power supply – The 15 best products in comparison

Comparative winner of the editors Corsair RM850x 80 PLUS Gold Fully Modular 850 Watt ATX Power Supply (135mm Magnetic Levitation Fan, Wide Compatibility, Japanese Capacitors, Ultra Fast Wake Up) EU - Black

850W power supply – The 15 best products in comparison

Recommended products in the "850W power supply" section

We have products in the range "850W Power Supplies" compared with each other and put together recommendations for you. Here you will find the top 15 in the “850W power supply” section.

850W power supply – the most important things at a glance

An 850W power supply is ideal for high-end gaming PCs or workstations that require a high power supply. Such power supplies typically have 80 Plus certifications, such as Bronze, Silver, Gold, or Platinum, which represent the power supply's efficiency under specific load conditions. Higher efficiency levels mean lower heat output and lower power consumption. Differences between the products may lie in the connections; some offer more SATA or PCI-E ports depending on your device needs. The brand also plays a role, well-known brands such as Corsair, be quiet! or Seasonic stand for quality and durability. Some models offer modular cables while others have hard-wired cables, which affects cable routing and cable management in the PC case.

The bestsellers in the “850W power supply” section

A list of the best sellers under the category "850W power supply" you can find here. Here you can find out which products other users have bought particularly often.

Bestseller no. 1
Seasonic FOCUS PX-850 Fully Modular PC Power Supply 80PLUS Platinum 850 Watt
  • EFFICIENT: the power supply is certified with 80 PLUS Platinum & promises an efficiency of 92% at an operating load of 50%. Only compatible with a 3080 graphics card
  • HIGH-END: 850 watts of total output power. The powerful 12-volt rail delivers a whopping 70 A of power. Ideally suited for every high-performance computer in the gaming and business sector
  • HYBRID COOLING: Seasonic hybrid fan control is always enabled to optimize cooling as needed. A three-phase heat control achieves an optimum between rest and cooling
  • EXTREMELY QUIET: the powerful Fluid Dynamic Bearing fan generates significantly less operating noise than fans with ball bearings
  • FULLY MODULAR: the fully modular construction with flat cables means that all cables can be plugged in or exchanged individually, which is particularly popular in the customization area
Bestseller no. 2
Mars Gaming MPIII850, Power Supply PC ATX 850W, 5 Years Warranty, Silent AI-RPM Technology, 85% Efficiency, Black
1.589 reviews
Mars Gaming MPIII850, Power Supply PC ATX 850W, 5 Years Warranty, Silent AI-RPM Technology, 85% Efficiency, Black
  • 5 YEAR WARRANTY, COMPLETE SECURITY: The MPIII850 power supply is designed in Europe and manufactured to the strictest European standards. It offers a 5-year warranty, thanks to the latest SMD precision manufacturing technology and the use of A-grade components of the highest quality and reliability; in addition, it has the most advanced electronic security systems: OVP (over-voltage protection), UVP (under-voltage protection), OCP (over-current protection), OPP (over-power protection) and SCP EXTENDED (complete internal and external short-circuit protection)
  • ABSOLUTE SILENCE. AI-RPM AND FDB: The MPIII850 features the latest AI-RPM fan control technology with state-of-the-art intelligent thermal management and an industrial-grade dynamic liquid-bearing fan with oversized motor to maximize stability and ensure silent operation
  • PROFESSIONAL EFFICIENCY: With 99% DIGITAL APFC efficiency and 85% electrical efficiency, you achieve a perfect balance between efficiency and power consumption; In addition, the MPIII12's +850v single-rail technology enables the installation of the most demanding hardware
  • OPTIMIZED CABLE DESIGN: The cables of the MIII850 ATX power supply are flat, black and extra long; a combination of features that make it easy to install and totally versatile for mounting in any type of enclosure
  • HIGH PROTECTION EPE PACKAGING: To ensure the MPIII850 power supply arrives to you in perfect condition, it is fully protected in special shock-absorbing packaging
Bestseller no. 3
be quiet! Dark Power 13 850W, ATX 3.0, 80 PLUS Titanium, modular power supply, PCIe 5.0 and PCIe 4.0 graphics cards, 12VHPWR cable included, Silent Wings fan, BN344
18 reviews
be quiet! Dark Power 13 850W, ATX 3.0, 80 PLUS Titanium, modular power supply, PCIe 5.0 and PCIe 4.0 graphics cards, 12VHPWR cable included, Silent Wings fan, BN344
  • The Dark Power 13 850W is 80 PLUS Titanium certified and achieves an efficiency of up to 95,4%. A real advantage for any high-end system, as it reduces energy consumption, achieves better cooling and quieter operation
  • Dark Power 13 850W is an ATX 3.0 power supply and offers both 12VHPWR connectors for next-gen PCIe 5.0 graphics cards and PCIe 6+2 connectors for current graphics cards. This makes Dark Power 13 850W extremely versatile and the perfect choice for all current and future-proof high-end systems
  • Dark Power 13 offers 850W of continuous power on 4 independent 12V rails. Even if the graphics card demands excessive performance for short periods of time: The Dark Power 13 850W can handle peak loads of up to twice the nominal load without any problems
  • The improved be quiet! Silent Wings fan is mounted on a tripod for maximum airflow and near-inaudible operation. It has a unique, flow-optimized design with advanced fluid dynamic bearings and a low-vibration 6-pole motor with a long service life and minimal energy consumption
Bestseller no. 4
Sharkoon SilentStorm Cool Zero (850W, 80 Plus Gold, fully modular)
  • 80 PLUS GOLD CERTIFIED: The SilentStorm Cool Zero is 90 PLUS Gold certified with an efficiency of at least 50% at 87% load and 20% efficiency at 100% and 80% load.
  • HIGH-QUALITY COMPONENTS: Only 105°C-certified Japanese capacitors and a 135mm fan with hydrodynamic sleeve bearing ensure quiet and reliable operation with an average lifespan of 100.000 hours.
  • HIGHLY ADJUSTABLE COOLING BEHAVIOR: With the Fan Delay mode, the PSU fan can continue to run for 60 seconds after shutdown if necessary to ensure a complete cooling of the system. In addition, the fan rotation can be suspended using the Zero RPM mode at low to medium loads to enable silent operation.
  • ULTRA-STABLE VOLTAGE REGULATION: Thanks to the modern LLC resonant converter technology, the power supply delivers constant and low-interference voltage with minimal noise and heat development.
  • FULLY MODULAR AND RYZEN-COMPATIBLE: With a total of two 4+4-pin. CPU connections, modern AMD RYZEN systems can be operated without an adapter.
  • EQUIPPED WITH ALL PROTECTION FUNCTIONS: Over-current protection, over-voltage and under-voltage protection, short-circuit protection, over-temperature protection and overload protection are all supported.
Bestseller no. 5
Thermaltake Toughpower GF 3 850W | PC ATX 3.0 power supply | PCIe Gen 5.0 | 80 Plus Gold | fully modular | quieter 140 fan | EU certified | black, tough power GF3 850W
  • ✔️Full compatibility with Intel PSDG ATX 3.0 specifications
  • ✔️PCIe Gen 5.0 ready
  • ✔️Ultra quiet Smart Zero fan with 8.7 dB(A) to 23.4 dB(A)
  • ✔️<30mV Low noise design
  • ✔️Extremely strict voltage regulation <±2%
Bestseller no. 6
Thermaltake Toughpower GF A3 850W Gold | Fully modular | ATX 3.0 | PCIe Gen 5
  • ✔️ 80Plus Gold certified
  • ✔️ Compatible with Intel ATX 3.0 specifications and with native PCIe Gen 5.0 interface (12+4 pin)
  • ✔️ Fully modular for optimal cable management
  • ✔️ Quiet 120mm hydraulic bearing smart fan with 11,6db(A) to 26,2db(A)
  • ✔️ High quality Japanese main capacitors
Bestseller no. 7
ASUS ROG Strix 850W Gold White Gaming Power Supply (850 Watt, fully modular power supply, ATX 3.0 compatible, Axial-tech fan, double ball bearing, white)
  • ROG heatsinks cover key components for lower temperatures and reduced noise
  • The Axial-Tech fan design features a smaller fan hub that allows for longer fan blades and a locking ring that increases downward air pressure
  • A double ball bearing holds up to twice as long as a plain bearing
  • The 0dB technology ensures low noise in less demanding games
  • Optical adjustments are no problem thanks to a magnetic logo and various stickers. This allows you to personalize the visible page to your liking
Bestseller no. 8
SPYCO Typhoon PS-851, gaming power supply 850 W, 80 Plus Gold, fully modular, low noise, power supply ATX, 12V single rail, DC-DC circuits, super silent fan, capacitors 105 °C, 5 year guarantee
  • Fully modular power supply with cabling
  • 80 Plus Gold certification with high efficiency: (>90%) to reduce energy consumption, minimize noise and avoid high temperatures caused by inefficient energy conversion
  • Capacitors manufactured in Japan with a rating of 105°C: for high, reliable and long-lasting electrical performance
  • Compliant with ATX 12V v.2.31 specifications: All system components receive a constant power supply from the same source on all connectors
  • Super silent fan: 12 cm with lubricated bearing (Hydraumatic Bearing) and fully electronically controlled rotation speed
  • Thanks to the DC-DC circuit, this power supply reduces voltage instability for the PC's internal components
  • Flat connection cables: black, from 550mm to 750mm to improve the aesthetics of the case and optimize internal ventilation, reducing the footprint that limits internal airflow
  • Black sheathed motherboard power cable
  • Compact dimensions: 140X150x86 mm
Bestseller no. 9
ASUS ROG Strix 850W Gold Aura Edition RGB power supply (850 Watt, Aura Sync RGB lighting, 80+ Gold certification, Axial-Tech fan, ATX 3.0 compatible, PCIe 5.0 Ready)
  • The aluminum housing serves as an internal heatsink for the power transformer, keeping temperatures and noise levels low
  • ROG heatsinks cover key components for lower temperatures and less noise
  • The Axial-Tech fan design has a smaller hub that allows for longer blades and a locking ring that increases downward air pressure
  • Dual ball bearing fans can last up to twice as long as sleeve bearing designs
  • With 0dB technology, you can enjoy light gaming in relative silence
Bestseller no. 10
ASUS TUF Gaming 850W Gold PSU (850 Watt, fully modular PSU, ATX 3.0 compatible, Axial-tech fan, PCB coating, double ball bearings)
  • Capacitors and inductors undergo rigorous testing to earn military certification
  • Dual ball bearing fans last up to twice as long as sleeve bearings
  • A PCB coating protects against moisture, dust and extreme temperatures
  • An 80 Plus Gold certification is the result of Japanese capacitors and other high quality components
  • ATX 3.0 Compliant: The TUF Gaming Gold is ATX 3.0 compliant and comes with a 16-pin PCIe cable that can route up to 600W of power to PCIe Gen 5.0 graphics cards
  • The Axial-Tech fan design features a smaller fan hub that allows for longer blades and a locking ring that increases downward air pressure
  • Fully modular etched cables keep your rig neat and tidy

This is what Stiftung Warentest says about products in the “850W power supply” area

Stiftung Warentest examines, compares and tests the best products for consumers. Many of the tests by Stiftung Warentest help in deciding which product to buy. We do not currently know whether there is a test winner from Stiftung Warentest for this product that is recommended for purchase.

Our comparison winner in the "850W power supply" area

Compare winner
Corsair RM850x 80 PLUS Gold Fully Modular 850 Watt ATX Power Supply (135mm Magnetic Levitation Fan, Wide Compatibility, Japanese Capacitors, Ultra Fast Wake Up) EU - Black
  • Completely modular: Connect only the necessary cables to keep your system neat and tidy.
  • 135mm Magnetic Levitation Fan: Utilizes a magnetic levitation bearing and custom rotors for optimal performance, low noise and unmatched reliability.
  • EPS12V connector: For full compatibility with modern graphics cards and motherboards.
  • 100% Japanese 105°C Capacitors: Premium internal components ensure flawless performance and lasting reliability.
  • Compatible with Modern Standby: Extremely fast wake-up from sleep mode and higher efficiency at light loads.
  • 80 PLUS Gold Certificate: Highly efficient operation ensures low power consumption, less noise and lower temperatures.

Current offers in the area "850W power supply"

You want the best products in the range "850W power supply" buy? In this bestseller list you will find new offers every day. Here you will find a large selection of current products in the "850W power supply" category.

Bestseller no. 1
Bestseller no. 2
Thermaltake Toughpower GF 3 850W | PC ATX 3.0 power supply | PCIe Gen 5.0 | 80 Plus Gold | fully modular | quieter 140 fan | EU certified | black, tough power GF3 850W
Thermaltake Toughpower GF 3 850W | PC ATX 3.0 power supply | PCIe Gen 5.0 | 80 Plus Gold | fully modular | quieter 140 fan | EU certified | black, tough power GF3 850W
✔️Full compatibility with Intel PSDG ATX 3.0 specifications; ✔️PCIe Gen 5.0 ready
193,90 EUR −35% 126,53 EUR Amazon Prime
Bestseller no. 3
Bestseller no. 4
Bestseller no. 5
ASUS TUF Gaming 850W Gold PSU (850 Watt, fully modular PSU, ATX 3.0 compatible, Axial-tech fan, PCB coating, double ball bearings)
ASUS TUF Gaming 850W Gold PSU (850 Watt, fully modular PSU, ATX 3.0 compatible, Axial-tech fan, PCB coating, double ball bearings)
Dual ball bearing fans last up to twice as long as sleeve bearings; A PCB coating protects against moisture, dust and extreme temperatures
179,90 EUR −18% 147,28 EUR Amazon Prime

Related Articles