Extreme Silence MPB850SI Power Supply

The MPB850SI 850W ATX power supply combines power, efficiency, and absolute silence with cutting-edge technology. Equipped with an SI fan with a copper and aluminum core, FDB bearings, and the innovative AI2-RPM system, it automatically adjusts its speed using artificial intelligence and machine learning to achieve the perfect balance between cooling and silent operation. With a 7-year warranty, 80 Plus Bronze 230V EU certification, and advanced protection systems, the MPB850SI ensures safety, durability, and efficiency for the most demanding configurations.

Extreme Silence with Advanced Technology

Experience ultra-quiet performance with the MPB850SI, designed to operate distraction-free even under heavy loads. Its SI fan with a copper and aluminum core and FDB bearings minimizes friction, ensuring greater durability and stable operation. The advanced heat dissipation structure and airflow acceleration channels guarantee optimal cooling, maximizing energy efficiency and system stability.

Black and white

Choose the one that best suits your set-up

Comprehensive Protection. 7-Year Warranty

With a 7-year warranty, the MPB850SI protects your hardware from overloads, short circuits, and electrical fluctuations with an advanced safety system: OVP, UVP, OCP, OPP, and SCP. Certified by TÜV Rheinland, one of Germany’s most recognized quality and safety laboratories, it guarantees unmatched reliability and security.

Smart Control AI2-RPM

The AI2-RPM technology dynamically adjusts the fan speed based on system load using machine learning and artificial intelligence, ensuring maximum performance with minimal noise. The MPB850SI optimizes cooling and efficiency without generating unnecessary noise, adapting automatically to every situation.

80PLUS BRONZE Certification

With over 90% efficiency, the MPB850SI is 80 Plus Bronze 230V EU certified, reducing energy consumption while maintaining optimal system temperatures. Its efficient design allows for stable, silent, and sustainable operation, balancing power, performance, and energy savings.

DC-DC and SMD Technologies: Unlimited Power

The MPB850SI integrates DC-DC conversion technology, ensuring superior voltage stability, ideal for next-generation graphics cards and high-performance configurations. SMD technology enhances efficiency and durability, while its optimized design helps reduce energy consumption by up to 20%, ensuring precise regulation and superior component protection under any load condition.

Premium Cabling

The extra-long, black flat cables enhance cable management, ensuring a clean build and optimized airflow inside the case. A professional design for setups seeking the perfect balance between performance and aesthetics.

Mars Gaming MPB850SI. Total power: 850 W, AC input voltage: 200 - 240 V, AC input frequency: 47 - 63 Hz. Motherboard power connector: 24-pin ATX, Cabling type: Non-Modular. Purpose: PC, Power supply unit (PSU) form factor: ATX, 80 PLUS certification: 80 PLUS Bronze. Product color: Black, Cooling type: Active, Fan diameter: 4.72" (12 cm). Compliance certificates: CE, RoHS, TÜV mark

Total power	850 W
AC input voltage	200 - 240 V
AC input frequency	47 - 63 Hz
Input current	8 A
Power factor	0.9
Power Factor Correction (PFC) type	Active
Combined power (+3.3V)	120 W
Combined power (+12V)	846 W
Combined power (+5V)	120 W
Combined power (-12V)	3.6 W
Combined power (+5Vsb)	12.5 W
Max output current (+3.3V)	18 A
Max output current (+12V)	70.5 A
Max output current (+5V)	18 A
Max output current (-12V)	0.3 A
Max output current (+5Vsb)	2.5 A
Power protection features	Over power, Over voltage, Overcharge, Short circuit, Under voltage
Motherboard power connector	24-pin ATX
Peripheral (Molex) power connectors (4-pin)	3
Number of SATA power connectors	6
EPS power connector (4+4 pin)	Yes
PCI Express power connectors (6+2 pin)	4
ATX Power connector (24-pin)	Yes
Cabling type	Non-Modular
Purpose	PC
Power supply unit (PSU) form factor	ATX
80 PLUS certification	80 PLUS Bronze
Product color	Black
Cooling type	Active
Fan diameter	4.72" (12 cm)
Number of fans	1 fan(s)
Fan location	Top
On/off switch	Yes
Compliance certificates	CE, RoHS, TÜV mark
Width	5.91" (150 mm)
Depth	5.71" (145 mm)
Height	3.35" (85 mm)
Weight	3.53 lbs (1.6 kg)
Package width	9.37" (238 mm)
Package depth	4.92" (125 mm)
Package height	8.07" (205 mm)
Package type	Box