Helios M2-550B - Computer power supply Gamdias - Free user manual and instructions

Product Type	Power Supply Unit (PSU)
Brand	Gamdias
Model	Helios M2-550B
Wattage	550W
Form Factor	ATX
Dimensions (W x H x D)	150mm x 86mm x 140mm
Weight	1.5 kg
Input Voltage	100-240V AC, 50-60Hz
Output Current (typical)	+12V: 45A, +5V: 20A, +3.3V: 20A
Cooling Fan	120mm silent fan
Efficiency Rating	80 PLUS Standard or higher
Modular Cables	Fixed cable design
Protections	OVP, UVP, OCP, SCP, OTP
Connectors	1x 24-pin ATX, 1x 4+4-pin CPU, 2x 6+2-pin PCIe, 4x SATA, 2x Molex
Color	Black
Safety Certifications	UL, CE, RoHS
Maintenance and Cleaning	Wipe exterior with dry cloth; avoid liquids; clean fan grille every 6 months
Safety Warnings	Do not open case; risk of electric shock; use only with compatible systems
Spare Parts and Reparability	Non-user serviceable; contact authorized service center for repairs
General Information	Designed for desktop computers; includes mounting screws and power cord

Frequently Asked Questions - Helios M2-550B Gamdias

What is the wattage of the Gamdias Helios M2-550B?

The Gamdias Helios M2-550B is a 550W power supply unit, suitable for mid-range desktop computers.

Is this PSU compatible with my ATX case?

Yes, the Helios M2-550B follows the ATX form factor (150mm x 86mm x 140mm) and fits most standard ATX cases.

Does it have modular cables?

No, this model features a fixed cable design. All cables are permanently attached for cost efficiency.

What connectors are included?

It includes 1x 24-pin ATX, 1x 4+4-pin CPU, 2x 6+2-pin PCIe, 4x SATA, and 2x Molex connectors.

Is the fan quiet?

The PSU uses a 120mm silent fan that operates quietly under normal loads, with speed control for reduced noise.

What protection features does it offer?

It provides OVP (Over Voltage Protection), UVP (Under Voltage Protection), OCP (Over Current Protection), SCP (Short Circuit Protection), and OTP (Over Temperature Protection).

What is the efficiency rating?

It is rated 80 PLUS Standard (or higher), ensuring at least 80% efficiency at typical loads.

Can I use this PSU for gaming?

Yes, with 550W output and dual PCIe connectors, it can handle mid-range gaming setups with a single graphics card.

How should I clean and maintain the PSU?

Unplug the unit before cleaning. Use a dry cloth to wipe the exterior. Vacuum the fan grille every 6 months to prevent dust buildup.

What is the warranty period?

Gamdias typically offers a 3-year warranty for their power supplies. Check the specific warranty terms with your retailer.

USER MANUAL Helios M2-550B Gamdias

Output Specification

Model Name	HEL/OS M2-550B
AC Input	100-240V-, 10A, 50-60Hz
DC Output	+3.3V	+5V	+12V	-12V	+5Vsb
Max. Output Current	20A	20A	45.8A	8.3A	3A
Max. Output Power	105W		550W	3.6W	15W
Total Power	550W

Model Name	HEL/OS M2-650B
AC input	100-240V-, 10A, 50-50Hz
DC Output	+3.3V	+5V	+12V	-12V	+5Vsb
Max. Output Current	22A	22A	54.1A	0.3A	3A
Max. Output Power	120W		650W	3.6W	15W
Total Power	650W

Model Name	HELIOS M2-750B
AC Input	100-340V~, 10A, 50-60Hz
DC Output	+3.3V	+5V	+12V	-12V	+5Vsb
Max. Output Current	22A	22A	62.5A	9.3A	3A
Max. Output Power	120W		750W	3.6W	15W
Total Power	750W

Model Name	HEL/OS M2-850B
AC Input	100-240V~, 12-10A, 50-60Hz
DC Output	+3.3V	+5V	+12V	-12V	+5Vab
Max. Output Current	22A	22A	70.8A	9.3A	3A
Max. Output Power	120W		850W	3.6W	15W
Total Power	850W

Installing

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Technical diagram of a computer tower case showing internal components and ventilation ducts (no text or labels)

Warnings and Caution

Do not place the power supply in high humidity and /or temperature environment.

High voltages exist in the power supply. Do not open the power supply case unless you are an authorized service technician or electrician. Doing so will void the warranty.

Make sure all cables are plugged in properly.

Loose and improper connections would damage the power supply and your system.

Turn off

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Turn off the PSU before installing by pushing I/O switch to "O" position.

Illustration of a computer power box with a hand cursor pointing at it, showing no text or symbols.

Motherboard

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Diagram showing a computer power supply unit connected to an electronic connector with cable routing (no text or symbols present)