Mars Gaming MPII850

Mars Gaming MPII850 850W ATX PC Power Supply User Manual

Model: MPII850 | Brand: Mars Gaming

Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your Mars Gaming MPII850 850W ATX PC Power Supply. Please read this manual carefully before installation and use to ensure proper functionality and safety.

Safety Instructions

  • Always disconnect the power supply 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.
  • Ensure proper grounding of your computer system.
  • Install the power supply in a well-ventilated area to prevent overheating.
  • Avoid exposing the unit to moisture or extreme temperatures.
  • Use only the cables provided with the power supply.

Package Contents

Verify that all items are present in the package:

  • Mars Gaming MPII850 850W ATX Power Supply Unit
  • Modular Cable Set (PCI-E, SATA, PATA, FDD)
  • AC Power Cord
  • Mounting Screws
  • User Manual (this document)

Setup and Installation

Follow these steps to install your power supply unit:

1. Prepare Your System

  • Turn off your computer and disconnect the power cord from the wall outlet.
  • Open your computer case.
  • If replacing an existing power supply, disconnect all cables from the old PSU and remove it from the case.

2. Install the Power Supply

  • Carefully place the Mars Gaming MPII850 into the power supply bay of your computer case.
  • Secure the power supply to the case using the provided mounting screws.
Mars Gaming MPII850 Power Supply installed in a PC case, showing modular cable connections.

Image: Mars Gaming MPII850 Power Supply unit, showcasing its modular cable ports and fan grill. This view helps identify where to connect the modular cables.

3. Connect Cables

The MPII850 features a semi-modular cabling system. The main motherboard and CPU power cables are fixed, while other peripheral cables are modular.

  • 20+4 Pin Main Power Connector: Connect this fixed cable to your motherboard's main power socket.
  • 4+4 Pin 12V CPU Power Connector: Connect this fixed cable to your motherboard's CPU power socket.
  • 6+2 Pin PCI-E Connectors (x2): For graphics cards. Connect these modular cables to your graphics card(s) as required.
  • SATA Connectors (x6): For SATA hard drives, SSDs, and optical drives. Connect these modular cables to your storage devices.
  • PATA Connectors (x4): For older IDE devices or case fans. Connect these modular cables as needed.
  • FDD Connector (x1): For floppy disk drives or other legacy peripherals. Connect this modular cable if necessary.
Mars Gaming MPII850 Power Supply with fixed 20+4 pin and 4+4 pin cables, and modular ports for other connections.

Image: Mars Gaming MPII850 Power Supply unit, showing the fixed main power cables and the modular ports for additional components like graphics cards and storage drives.

Ensure all connections are secure. Utilize cable management features in your case to keep cables tidy and improve airflow.

4. Final Steps

  • Close your computer case.
  • Connect the AC power cord to the power supply and then to a wall outlet.
  • Flip the power switch on the back of the PSU to the "ON" position.

Operating Instructions

The Mars Gaming MPII850 is designed for reliable and efficient operation. Once installed, it will provide stable power to your PC components.

  • Power On/Off: Use the power button on your computer case to turn the system on or off. The PSU's rear switch should remain in the "ON" position during normal operation.
  • Fan Operation: The 12cm fan features intelligent speed control, adjusting its rotation based on temperature to maintain optimal cooling and minimize noise.
  • Efficiency: With an efficiency rating of up to 85% and Active Power Factor Correction (PFC), the MPII850 ensures stable power delivery and energy savings.
Close-up of the Mars Gaming MPII850 power supply's 12cm red fan with the Mars Gaming logo.

Image: A detailed view of the 12cm fan on the Mars Gaming MPII850 power supply, highlighting its red blades and protective grill, designed for quiet and efficient cooling.

Maintenance

To ensure the longevity and optimal performance of your power supply, follow these simple maintenance guidelines:

  • Dust Cleaning: Periodically clean the fan and ventilation grilles of the power supply to prevent dust buildup, which can hinder airflow and lead to overheating. Use compressed air or a soft brush. Ensure the PSU is powered off and unplugged before cleaning.
  • Cable Management: Regularly check that all cables are securely connected and not obstructing airflow within the PC case.
  • Environment: Keep your computer in a clean, dry, and well-ventilated environment.

Troubleshooting

If you encounter issues with your Mars Gaming MPII850 power supply, refer to the following common problems and solutions:

ProblemPossible CauseSolution
Computer does not power on.
  • Power cord not connected.
  • PSU switch is OFF.
  • Loose internal connections.
  • Faulty component (motherboard, CPU, etc.).
  • Ensure AC power cord is securely plugged into the PSU and wall outlet.
  • Flip the PSU switch to the "ON" position.
  • Check all internal power connections (20+4 pin, 4+4 pin, PCI-E, SATA).
  • Test components individually if possible.
System reboots unexpectedly.
  • Insufficient power delivery.
  • Overheating.
  • Faulty components.
  • Ensure your system's power requirements do not exceed 850W.
  • Check for proper ventilation and clean dust from the PSU fan and case.
  • Verify all connections are secure.
Loud fan noise.
  • Dust buildup in the fan.
  • Fan malfunction.
  • High system load causing fan to spin faster.
  • Clean the PSU fan.
  • Ensure adequate case airflow.
  • If noise persists and is abnormal, contact support.

If the problem persists after trying these solutions, please contact Mars Gaming customer support.

Specifications

FeatureDetail
Model NumberMPII850
BrandMars Gaming
Form FactorATX
Output Power850 Watts
EfficiencyUp to 85%
PFCActive PFC
Cooling MethodAir (12cm intelligent speed control fan)
Noise LevelApproximately 14 dB (at low load)
Main Power Connector1x 20+4 Pin
CPU Power Connector1x 12V 4+4 Pin
PCI-E Connectors2x 6+2 Pin
SATA Connectors6x
PATA Connectors4x
FDD Connector1x
Compatible DevicesPersonal Computer
Dimensions (L x W x H)188 x 90 x 275 mm (approximate, based on product data)
Weight1.3 Kilograms

Warranty and Support

Mars Gaming products are designed for durability and performance. For warranty information and technical support, please refer to the official Mars Gaming website or contact your local retailer.

Online Support: www.marsgaming.eu

Please have your product model number (MPII850) and purchase details ready when contacting support.

Related Documents - MPII850

PreviewMars Gaming MPB1000SIM/MPB850SIM/MPB750SIM Power Supply Unit User Manual
User manual for Mars Gaming MPB1000SIM, MPB850SIM, and MPB750SIM series power supply units, covering features, specifications, installation, safety, and troubleshooting.
PreviewMars Gaming MPB850PSI 850W Modular Power Supply Installation Guide and Specifications
Comprehensive guide for installing and using the Mars Gaming MPB850PSI 850W 80 PLUS Silver modular power supply unit. Includes safety precautions, connection diagrams, and technical specifications.
PreviewMars Gaming MPIII750 Power Supply User Manual & Safety Guide
Official user manual and safety guidelines for the Mars Gaming MPIII750 Power Supply. Learn about safe operation, maintenance, and disposal. Includes multilingual safety information.
PreviewMars Gaming MPB750S 750W ATX ARGB Power Supply User Manual
Comprehensive user manual for the Mars Gaming MPB750S 750W ATX ARGB power supply. This guide provides detailed information on specifications, installation, safety precautions, and troubleshooting for the 80Plus Bronze certified PSU.
PreviewMars Gaming MPB-SI Series Power Supply Unit User Manual
Comprehensive user manual for Mars Gaming MPB-SI series power supply units (PSUs), covering installation, safety, troubleshooting, and compliance. Learn how to install your new PSU and ensure optimal system performance.
PreviewMars Gaming MPB1000SIM Power Supply Installation Guide
Detailed installation guide for the Mars Gaming MPB1000SIM ATX 3.1 power supply unit, covering safety precautions, step-by-step installation, and troubleshooting tips.