Cooler Master MWE GOLD 850 V3 ATX 3.1 Non-Modular Power Supply

Name: Cooler Master MWE GOLD 850 541407
Brand: Cooler Master
SKU: 12688038
Price: 100.99 EUR
Availability: OutOfStock

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Cooler Master MWE GOLD 850 V3 ATX 3.1 Non-Modular Power Supply Unit 850 W ATX 80 PLUS Gold Active Cooling Black

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Short description

Cooler Master MWE GOLD 850 V3 ATX 3.1 Non-Modular power supply unit delivering 850 W of total power. Features 80 PLUS Gold certification for high energy efficiency, active cooling with a 12 cm fan, and ATX form factor. Designed for desktop PCs, ensuring reliable power delivery with a 24-pin ATX motherboard connector and wide AC input voltage range.

Warranty: 2 Years

SKU: 12688038

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Product information

Description

The Cooler Master MWE GOLD 850 V3 ATX 3.1 Non-Modular Power Supply Unit is a reliable and efficient power solution designed for modern desktop computers. Delivering a total power of 850 W, this power supply unit ensures stable energy delivery for demanding system components. It features ATX form factor and incorporates active cooling with a 12 cm fan to maintain optimal operating temperatures during extended use. With its 80 PLUS Gold certification, the unit provides high energy efficiency, minimizing wasted power and reducing heat output.

Advantages

This power supply unit offers exceptional energy efficiency backed by its 80 PLUS Gold certification, helping to lower electricity consumption and operating costs. The integration of a quiet HDB fan ensures effective active cooling without generating excessive noise, making it suitable for quiet office and home environments. Built with a robust single +12V rail and DC-to-DC technology, it delivers stable power output even under fluctuating loads. Additionally, the inclusion of embossed cables simplifies cable management and improves airflow inside the PC chassis.

Suitable for

Building high-performance desktop computers for gaming and multimedia
Powering workstation PCs running demanding applications
Upgrading existing systems to support ATX 3.1 standards
Setups requiring reliable and efficient 850 W power delivery

When it may not be suitable

This power supply unit may not be suitable for compact small form factor cases that require SFX power supplies instead of the standard ATX form factor. Users looking for a fully modular cable management system might find the non-modular design less flexible for custom aesthetic builds.

Key specifications

Total power: 850 W
80 PLUS certification: 80 PLUS Gold
Form factor: ATX
Cooling type: Active with 12 cm fan
AC input voltage: 100 - 240 V
Motherboard power connector: 24-pin ATX
Peripheral Molex power connectors: 3
Purpose: PC

How to use

To install the power supply unit, mount it securely into the designated compartment of your PC case using the provided screws. Connect the 24-pin ATX connector to your motherboard and attach the necessary power cables to your components, graphics card, and storage drives. Ensure that all connections are secure before plugging the AC power cord into a grounded wall outlet operating within the specified voltage range of 100 to 240 volts. Power on your system and monitor fan operation to ensure proper cooling.

What to consider before purchase

Verify that your PC case has sufficient space to accommodate a standard ATX power supply unit.
Check the power requirements of your graphics card and processor to ensure 850 W is adequate for your system configuration.
Confirm that your case can manage non-modular cables effectively.

Always ensure the system is powered off and unplugged from the electrical outlet before installing or modifying any internal PC components.

Specifications

80 PLUS certification:: 80 PLUS Gold
Power supply unit (PSU) form factor:: ATX
Purpose: What the product is used for.: PC
Peripheral (Molex) power connectors (4-pin): White 4-pinned connector used to connect a peripheral to the power supply.: 3
Motherboard power connector: The way in which the motherboard is connected to the power supply.: 24-pin ATX
AC input voltage: The voltage of the AC electricity that is inputted into the product.: 100 - 240
Total power: The total power that is needed by the device, or the total power produced by the device.: 850 W

All features

Technical details

Sustainability certificates:: ErP

Packaging data

Case or master carton dimensions (W x D x H):: 275 x 215 x 570
Package type: The type of product package e.g. box.: Box
Package weight: Weight of the packaged product.: 2210 g
Package height: The distance from the top to the bottom of the packaging.: 260 mm
Package depth: The distance from the front to the back of the packaging.: 110 mm
Package width: The distance from one side of the packaging to the other.: 190 mm

Weight & dimensions

Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.: 1.8 kg
Height: The measurement of the product from head to foot or from base to top.: 86 mm
Depth: The distance from the front to the back of something.: 150 mm
Width: The measurement or extent of something from side to side.: 140 mm

Certificates

Compliance certificates: Indicates which regulatory, safety, and environmental standards the product complies with, as verified by recognized authorities or certification bodies.: cTUVus, EAC, CE, CCC, BSMI, BIS, Federal Communications Commission (FCC), RCM, TÜV mark, UKCA

Operational conditions

Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.: 0 - 40

Design

On/off switch: The button which is pressed to switch the device on or off.: Yes
Fan location:: Top
Number of fans: The quantity of fans (apparatus with rotating blades that creates a current of air for cooling or ventilation).: 1 fan(s)
Fan diameter: The size of the fan, measured by the distance from one side of the fan to the other, via a straight line going through the middle of the fan.: 120 mm
Cooling type: The method used to cool the device or to cool the air around the device.: Active
Product colour: The colour e.g. red, blue, green, black, white.: Black

Performance

Mean time between failures (MTBF): Statistical model used to indicate product/mechanism reliability; expressed in hours and percentage of duty cycle. This number (in hours) does not indicate the mean time before failure for a single unit/mechanism.: 100000 h
Bearing technology:: HDB
ATX version: ATX (Advanced Technology eXtended) is a motherboard form factor specification developed by Intel in 1995. The specification defines the key mechanical dimensions, mounting point, I/O panel, power and connector interfaces between a computer case, a motherboard and a power supply. There are many versions of ATX including ATX12V 1.x and ATX12V v2.3.: 3.1
80 PLUS certification:: 80 PLUS Gold
Power supply unit (PSU) form factor:: ATX
Purpose: What the product is used for.: PC

Ports & interfaces

Cabling type:: Non-Modular
Number of EPS connectors:: 2
ATX Power connector (24-pin):: Yes
PCI Express power connectors (6+2 pin):: 4
EPS power connector (4+4 pin):: Yes
EPS power connector (8-pin):: Yes
Peripheral (Molex) power cable length:: 400, 550, 700
Peripheral (Molex) power connectors (4-pin): White 4-pinned connector used to connect a peripheral to the power supply.: 3
SATA power cable length:: 400, 550, 700
Number of SATA power connectors:: 6
Motherboard power cable length:: 550 mm
Motherboard power connector: The way in which the motherboard is connected to the power supply.: 24-pin ATX

Power

Power protection features: Features that protect the device against power problems e.g. overload.: Over voltage, Short circuit, Over total voltage, Over power, Over current, Under voltage
Efficiency:: 90 %
Hold time:: 16 ms
Power Good signal delay range:: 100 - 150
Max output current (+5Vsb):: 3 A
Max output current (-12V):: 0.3 A
Max output current (+5V):: 20 A
Max output current (+12V):: 70.8 A
Max output current (+3.3V):: 20 A
Combined power (+5Vsb):: 15 W
Combined power (-12V):: 3.6 W
Combined power (+5V):: 100 W
Combined power (+12V):: 849.6 W
Combined power (+3.3V):: 100 W
Power Factor Correction (PFC) type:: Active
Input current:: 6 - 10
AC input frequency:: 50/60
AC input voltage: The voltage of the AC electricity that is inputted into the product.: 100 - 240
Total power: The total power that is needed by the device, or the total power produced by the device.: 850 W

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Instructions

mmo_128984654_1750644661_7665_480552.pdf

Description

Instructions

mmo_128984654_1750644661_7665_480552.pdf

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The Cooler Master MWE GOLD 850 V3 ATX 3.1 power supply unit is compared against several similar models from the same manufacturer: the Cooler Master MWE Gold V3 550W, Cooler Master MWE Gold V3 650W, Cooler Master MWE GOLD 850 V3 (alternative listing), Cooler Master MWE Gold V3 750W, and the previous-generation Cooler Master MWE Gold 850 V2. All compared devices share an ATX form factor, 80 PLUS Gold certification, active cooling via a 12 cm fan, and a standard 24-pin motherboard connector. The primary differences lie in total power output, platform version (V3 featuring ATX 3.1 compliance versus V2), and the count of certain peripheral connectors, which dictate the specific hardware components and graphics cards each unit can reliably support.

⚙️ The table below compares characteristics such as total power output, energy efficiency certification, ATX standard, intended purpose, and the number of Molex peripheral connectors to highlight practical differences across power variants and versions.

Characteristic	Cooler Master MWE GOLD 850 V3 (Main)	Cooler Master MWE Gold V3 550W	Cooler Master MWE Gold V3 650W	Cooler Master MWE GOLD 850 V3 (850W)	Cooler Master MWE Gold V3 750W	Cooler Master MWE Gold 850 V2	Practical Conclusion
Total power	850 W	550 W	650 W	850 W	750 W	850 W	An 850 W output suits high-performance gaming rigs and workstations, whereas 550W, 650W, and 750W options target more moderate hardware configurations.
ATX standard	ATX 3.1	ATX 3.1	ATX 3.1	ATX 3.1	ATX 3.1	ATX (V2)	The ATX 3.1 specification in V3 units provides better alignment with modern power delivery requirements compared to the V2 generation.
80 PLUS certification	80 PLUS Gold	80 PLUS Gold	80 PLUS Gold	80 PLUS Gold	80 PLUS Gold	80 PLUS Gold	All units maintain identically high energy efficiency under load, minimizing energy waste regardless of total wattage.
Molex connectors (4-pin)	3	3	3	3	3	4	The V2 model includes one extra Molex connector, though modern PCs primarily rely on SATA connections, making this minor variation negligible for most users.

◎ The table below evaluates which product is best suited for various user needs and usage scenarios.

Use case	Recommended product	Why
High-end gaming PCs and power-hungry workstations	Cooler Master MWE GOLD 850 V3 ATX 3.1	Provides a robust 850 W power headroom and modern ATX 3.1 compliance required by demanding components.
Mid-range desktop setups with moderate power draw	Cooler Master MWE Gold V3 650W or 750W	Offers sufficient wattage for standard gaming configurations without paying for unused 850 W capacity.
Basic or entry-to-mid-range office and home PCs	Cooler Master MWE Gold V3 550W	Delivers adequate power for standard configurations utilizing a single mid-range graphics card.

The Cooler Master MWE GOLD 850 V3 ATX 3.1 differs from alternatives by delivering a high 850 W capacity paired with the updated ATX 3.1 platform. This power supply unit is most suitable for builders assembling performance rigs with demanding graphics hardware who require ample power headroom and modern connectivity standards.

Customer reviews

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Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Cooler Master products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Cooler Master service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: 80 plus certification, power supply unit (psu) form factor, purpose, peripheral (molex) power connectors (4-pin), motherboard power connector, ac input voltage, total power, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for Cooler Master MWE GOLD 850 V3 ATX 3.1 Non-Modular Power Supply?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

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Cooler Master MWE GOLD 850 V3 ATX 3.1 Non-Modular Power Supply Unit 850 W ATX 80 PLUS Gold Active Cooling Black

Short description

Product information

Description

Advantages

Suitable for

When it may not be suitable

Key specifications

How to use

What to consider before purchase

Specifications

Technical details

Packaging data

Weight & dimensions

Certificates

Operational conditions

Design

Performance

Ports & interfaces

Power

Instructions

Description

Instructions

Similar products

Product comparison

Customer reviews

Customer questions

What payment options are available?

Can this product be purchased for a company (with VAT)?

What is the warranty period?

Can the product be returned after purchase?

Where should I contact for warranty service?

How can I tell if this product suits my needs?

Where can I download the instructions for Cooler Master MWE GOLD 850 V3 ATX 3.1 Non-Modular Power Supply?