Mars Gaming MPB550SI 550W Power Supply

550 W · 80+ Bronze · Non-modular

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Wattage 550 W
Efficiency 80+ Bronze
Modular Non-modular
Form factor ATX

Mars Gaming MPB550SI 550W Power Supply is a 550 W power supply rated 80+ Bronze (non-modular). Pick one with some headroom above your build's draw. It came out in 2025.

Released: 2025-01-15

Specifications

Key specs

Wattage: 550 W
Efficiency: 80+ Bronze
Modular: Non-modular
Form factor: ATX
Released: 2025-01-15
Part number: MPB550SI
EAN / UPC: 8435693108504

Power

Total power: 550 W
AC input voltage: 220 - 240 V
AC input frequency: 47 - 63 Hz
Input current: 5 A
Power Factor Correction (PFC) type: Active
Combined power (+3.3V): 100 W
Combined power (+12V): 546 W
Combined power (+5V): 100 W
Combined power (-12V): 3.6 W
Combined power (+5Vsb): 12.5 W
Max output current (+3.3V): 18 A
Max output current (+12V): 45.5 A
Max output current (+5V): 18 A
Max output current (-12V): 0.3 A
Max output current (+5Vsb): 2.5 A
Efficiency: 90%
Power protection features: Over current, Over power, Over voltage, Short circuit, Under voltage

Ports & interfaces

Motherboard power connector: 24-pin ATX
Number of SATA power connectors: 4
Peripheral (Molex) power connectors (4-pin): 2
PCI Express power connectors (6+2 pin): 1
CPU power connector (4+4 pin): Yes
Cabling type: Non-Modular

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Performance

80 PLUS certification: 80 PLUS Bronze
Purpose: PC
Power supply unit (PSU) form factor: ATX
Noise level: 12 dB

Design

Product colour: Black
Cooling type: Active
Fan diameter: 12 cm
Number of fans: 1 fan(s)
Fan location: Top

Weight & dimensions

Width: 150 mm
Depth: 145 mm
Height: 85 mm
Weight: 1.4 kg

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About this product

Extreme Silence Power Supply MPB550SI The MPB550SI 550W ATX power supply redefines performance and efficiency with its Extreme Silence design and integrated advanced technology. Equipped with an SI fan featuring a copper core and FDB bearings with intelligent AI2-RPM control, it automatically adjusts fan speed using artificial intelligence and machine learning to achieve the ideal balance between silence and cooling. Backed by a 7-year warranty and multiple protection systems, the MPB550SI offers total security and maximum reliability. With 80 Plus Bronze 230V EU certification and DC-DC and SMD technologies, it guarantees superior energy efficiency and exceptional durability. Experience the Power of Extreme Silence 550W power Extreme Silence SI fan with copper core 80 Plus Bronze 230V EU Certification AI2-RPM, DC-DC, and SMD technologies Extreme Silence with Advanced Technology Experience absolute silence with the MPB550SI power supply, designed to deliver exceptional performance without distractions.

Datasheet (PDF)

MPB550SI vs similar power supplies

	Mars Gaming MPB550SI 550W Power Supply	Mars Gaming MPB550SIW 550W Power Supply	FSP VIC BD 550W Power supply unit ATX ATX3.1 Black	be quiet! System Power 11 550W
Wattage	550 W	550 W	550 W	550 W
Efficiency	80+ Bronze	80+ Bronze	80+ Bronze	80+ Bronze
Modular	Non-modular	Non-modular	Non-modular	Non-modular
Form factor	ATX	ATX	ATX	ATX
Released	2025	2025	2025	2025