GAMDIAS KRATOS M1-750B RGB Gaming PC Power Supply User Manual

1. Introduction

This manual provides essential information for the proper installation, operation, and maintenance of your GAMDIAS KRATOS M1-750B RGB Gaming PC Power Supply. Please read this manual thoroughly before installation to ensure optimal performance and safety.

2. Safety Information

Always observe the following safety precautions to prevent injury or damage to your system:

• Ensure the power supply is disconnected from the main power outlet before installation or maintenance.
• Do not open the power supply unit. High voltages are present inside, which can cause electric shock.
• Install the power supply in a well-ventilated area to prevent overheating.
• Use only the cables provided with the power supply.
• Avoid exposing the power supply to moisture or extreme temperatures.

3. Package Contents

Verify that all items are present in your package:

• GAMDIAS KRATOS M1-750B Power Supply Unit
• AC Power Cord
• Mounting Screws
• Cable Ties
• User Manual (this document)

4. Features

• 80 PLUS Bronze Certified: The KRATOS M1-750B power supply is 80 PLUS Bronze certified, ensuring up to 85% efficiency at typical loads. This certification helps reduce operating costs and waste heat.
• Addressable RGB Lighting: Features a built-in RGB fan with 30 types of lighting effects. The lighting can be controlled via a dedicated button on the PSU or synchronized with compatible RGB motherboards.
• Motherboard RGB Sync: Supports synchronization with RGB motherboards from major brands including ASUS AURA, GIGABYTE FUSION, MSI MYSTIC, ASROCK POLYCHROME, and BIOSTAR VIVID LED DJ via an addressable header.
• Ultra Silent Mode: Equipped with an ultra-quiet fan and a dedicated switch to activate silent mode, optimizing fan speed for reduced noise levels.
• Automatic Fan Speed Optimization: The GAMDIAS ECO fan speed control system intelligently adjusts fan speed based on power loading and temperature, balancing cooling performance with noise reduction.
• High-Quality Components: Built with durable components for stable power delivery and extended lifespan.

5. Setup & Installation

Follow these general steps to install your power supply. Refer to your PC case and motherboard manuals for specific instructions.

1. Ensure your computer is powered off and unplugged from the wall outlet.
2. Open your PC case.
3. Mount the GAMDIAS KRATOS M1-750B into the designated power supply bay using the provided mounting screws. Ensure the fan is facing the correct direction for optimal airflow (usually facing down if there's a bottom vent, or up if not).
4. Connect the 24-pin ATX main power connector to your motherboard.
5. Connect the 4+4-pin CPU EPS power connector(s) to your motherboard. The KRATOS M1-750B provides two 4+4-pin CPU EPS connectors.
6. Connect the 6+2-pin PCIe power connectors to your graphics card(s). The KRATOS M1-750B provides four 6+2-pin PCIe connectors.
7. Connect SATA power connectors to your storage drives (HDDs, SSDs) and other SATA-powered devices. The KRATOS M1-750B provides five SATA connectors.
8. Connect Molex power connectors to any peripherals requiring them. The KRATOS M1-750B provides two Molex connectors.
9. If using motherboard RGB sync, connect the included RGB sync cable from the PSU to the appropriate 5V addressable RGB header on your motherboard.
10. Organize cables using the provided cable ties to improve airflow and aesthetics.
11. Close your PC case and reconnect the AC power cord to the power supply and wall outlet.

Figure 5.1: Illustration of available PSU cable types including 24-pin Motherboard, 4+4-pin CPU EPS, 6+2-pin GPU PCIe, SATA, Molex, and FDD connectors.

6. Operating Instructions

6.1 Powering On/Off

To power on your PC, ensure the power supply's main switch (located next to the AC inlet) is in the 'I' (On) position, then press your computer's power button.

6.2 RGB Lighting Control

The KRATOS M1-750B features integrated RGB lighting. You can control the lighting effects in two ways:

• PSU Button Control: Use the dedicated RGB lighting button on the power supply unit to cycle through 30 different lighting modes. A long press may turn off the lights.
• Motherboard Sync: If connected to a compatible 5V addressable RGB header on your motherboard, you can control the lighting effects directly through your motherboard's RGB software (e.g., ASUS AURA Sync, GIGABYTE FUSION, MSI MYSTIC LIGHT Sync, ASROCK POLYCHROME Sync, BIOSTAR VIVID LED DJ).

Figure 6.1: The GAMDIAS KRATOS M1-750B with its fan displaying multiple RGB colors.

Figure 6.2: Rear panel of the PSU highlighting the RGB Lighting button and the motherboard sync connection.

6.3 Silent Mode Operation

The KRATOS M1-750B features an Ultra Silent Mode. Locate the 'Silent Mode' switch on the rear of the power supply. Toggling this switch will enable or disable the intelligent fan control, allowing the fan to operate at optimized low speeds for quiet operation when under light loads.

Figure 6.3: Detail of the Silent Mode switch on the power supply's rear panel.

7. Specifications

Figure 7.1: The 80 PLUS Bronze certification logo on the power supply unit.

Figure 7.2: Close-up of the internal components, emphasizing high-quality capacitors for reliability.

8. Troubleshooting

If you encounter issues with your power supply, refer to the following common troubleshooting steps:

• No Power: Ensure all power cables are securely connected, including the AC power cord, 24-pin ATX, and 4+4-pin CPU EPS connectors. Check the main power switch on the PSU is in the 'On' position.
• System Instability/Crashes: Verify that your system's power requirements do not exceed the 750W capacity of the PSU. Ensure all components are properly seated and connected.
• RGB Lighting Issues: If RGB lighting is not working or not syncing, check the RGB sync cable connection to the motherboard. Ensure your motherboard's RGB software is up-to-date and configured correctly. Try using the PSU's dedicated RGB button to confirm basic functionality.
• Excessive Noise: Ensure the Silent Mode switch is engaged if you prefer quieter operation. Check for any obstructions to the fan.

9. Maintenance

Proper maintenance helps prolong the life of your power supply:

• Regularly clean the power supply fan and vents to prevent dust buildup, which can impede airflow and cause overheating. Use compressed air for cleaning.
• Ensure your PC case has adequate airflow to prevent heat buildup around the PSU.
• Avoid placing the PC in environments with excessive dust, humidity, or extreme temperatures.

10. Warranty & Support

For warranty information, technical support, or service inquiries, please refer to the official GAMDIAS website or contact their customer support directly. Keep your proof of purchase for warranty claims.