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MPB850PSI Power Supply

The MPB850PSI is a fully modular 850W ATX 3.1 power supply, engineered to deliver maximum efficiency, reliability, and silence for high-performance builds. Featuring 80PLUS Gold certification, 105ºC Japanese Toshin Kyogo capacitors, DC-DC technology, and a 140mm SI Extreme Silence fan, it ensures stable power delivery, ultra-quiet operation, and clean, optimized installation. Its native 12V 2x6 connector with PCIe 5.1 support guarantees seamless integration with next-gen GPUs.

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MPB850PSI Power Supply

Professional Power. Absolute Silence.

Professional Safety with 10-Year Warranty

Professional Safety with 10-Year Warranty

Equipped with a full suite of electronic protections (OCP, OVP, OPP, OTP, OLP, NLO, PFP, UVP, SCP, and TCP), the MPB850PSI safeguards your most sensitive components. Backed by an extended 10-year warranty and TÜV Rheinland certification, it delivers reliable long-term performance and peace of mind for serious builders.

Available in two versions

Black and white

Choose the one that best suits your setup

80PLUS Gold Certified Efficiency

80PLUS Gold Certified Efficiency

With over 90% energy efficiency, the 80PLUS Gold certification ensures lower power consumption and reduced heat output. The 105°C-rated Japanese Toshin Kyogo capacitors offer excellent stability and extended lifespan, even under extreme operating conditions.
AI2-RPM Technology: Smart Silence

AI2-RPM Technology: Smart Silence

The intelligent AI2-RPM system uses artificial intelligence and machine learning to dynamically adjust fan speed according to thermal load. This provides the perfect balance of cooling performance and silent operation—ideal for professional, quiet, high-demand setups.
140mm SI Fan: Cool and Quiet

140mm SI Fan: Cool and Quiet

Featuring a 140mm SI Extreme Silence fan with copper-aluminum core and long-life FDB bearings, the MPB850PSI delivers ultra-stable, efficient airflow. This advanced design minimizes friction and noise, extending the PSU’s durability while ensuring acoustic comfort.
Full Compatibility with ATX 3.1 & PCIe 5.1

Full Compatibility with ATX 3.1 & PCIe 5.1

Designed for modern high-end systems, the MPB850PSI meets the latest ATX 3.1 and PCIe 5.1 standards. With its included native 12V 2x6 connector, it ensures stable, direct power delivery without the need for adapters—simplifying installation and optimizing efficiency for cutting-edge GPUs and components.
Superior Reliability and Performance

Superior Reliability and Performance

Outfitted with premium-grade 105°C Toshin Kyogo capacitors, the MPB850PSI guarantees exceptional reliability and thermal efficiency. These high-end components reduce power loss and maintain stable energy delivery—ensuring optimal system performance in demanding environments.

DC-DC & SMD Technology

DC-DC & SMD Technology

Advanced DC-DC architecture provides superior voltage regulation and energy conversion. Combined with a 99% efficient digital Active-PFC system and integrated SMD components, the MPB850PSI enhances operational efficiency, reduces energy loss by up to 20%, and extends PSU lifespan—maintaining voltage stability even under variable loads.
Fully Modular Smart Design

Fully Modular Smart Design

Its 100% modular layout ensures a clean, hassle-free build process. It improves airflow within the case and allows for precise, clutter-free cable management, enhancing overall system performance and aesthetics.

Technical specifications -

Dimensions
Weight
Wire type
Wire finish
Lighting
Fan
Color
Extras
Power
Max. Power
Input voltage
PFC
Efficiency
Sound level
Form Factor
80 PLUS
Certifications
Protections
Connectors
Voltage / AC/DC

Box contents +

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MPB850PSI Power Supply

MPB850PSI

  • 850W high-performance power
  • 80PLUS Gold certified
  • Native 12V 2x6 connector with ATX 3.1 & PCIe 5.1 support
  • 10-year warranty
You must select a valid option in order to go to the checkout

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Comparator

MPB1000PSI Power Supply
MPB1000P ATX 3.1 Power Supply
MPB1000SIM Modular Power Supply
MPB850PSI Power Supply
Extreme Silence Power Supply MPB1000SI
MPB850SIM Modular Power Supply
ALIMENTATION MODULAIRE COMPLÈTE MPVU750M
Modular Power Supply MPZE750SIM
Modular Power Supply MPVU750SIM
Alimentation Extreme Silence MPB850SI
MPB750SIM Modular Power Supply
Alimentation MPVU750SI
MPZE750SI Power Supply
ALIMENTATION ARGB MPB750S
MPB750SI Extreme Silence Power Supply
ALIMENTATION MPIII850
ALIMENTATION MPIII750
MPB650SI Extreme Silence Power Supply
MPIII650 ALIMENTATION
Power Supply Extreme Silence MPB550SI
ALIMENTATION MPIII550P
MPB1000PSI

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MPB1000P

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MPB1000SIM

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MPB850PSI

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MPB1000SI

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MPB850SIM

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MPVU750M

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MPZE750SIM

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MPVU750SIM

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MPB850SI

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MPB750SIM

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MPVU750SI

Alimentation
MPZE750SI

Alimentation
MPB750S

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MPB750SI

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MPIII850

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MPIII750

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MPB650SI

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MPIII650

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MPB550SI

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MPIII550P

Alimentation
Wire type
Entièrement modulaire
Entièrement modulaire
Fixe
Fixe
Fixe
Fixe
Fixe
Fixe
Fixe
Power
1000W
750W
750W
750W
750W
850W
750W
650W
550W
Form Factor
ATX
ATX
ATX
ATX
ATX
ATX
ATX
ATX
ATX
80 PLUS
Gold
Silver
Silver
Silver
Bronze 230V EU
-
-
-
-
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