Mars Gaming MPB850PSI, 850 W, 200 - 240 V, 47 - 63 Hz, 8 A, Aktiv, 120 W

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.

Professional Power. Absolute Silence.

- 850W high-performance power
- 80PLUS Gold certified
- Native 12V 2x6 connector with ATX 3.1 & PCIe 5.1 support
- 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, 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

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

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

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

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

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

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

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.