1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your darkFlash PMT850 Fully Modular Power Supply. Please read this manual thoroughly before installation and retain it for future reference.
Image: The darkFlash PMT850 Fully Modular Power Supply unit.
2. Safety Information
WARNING: Improper installation or use can lead to equipment damage, electric shock, or serious injury. Always follow these safety guidelines:
- Ensure the power supply is disconnected from the AC power outlet before installation or maintenance.
- Do not open the power supply unit. High voltages are present inside, even when disconnected.
- Install the power supply in a well-ventilated area.
- Use only the cables provided with the power supply. Third-party cables may not be compatible and could cause damage.
- This product is designed for use in personal computers. Do not use it for other applications.
- Keep out of reach of children.
3. Package Contents
Verify that all items are present in the package:
- darkFlash PMT850 Power Supply Unit
- AC Power Cord
- Modular Cable Set (refer to the "Fully Modular Cabling" image for details)
- Mounting Screws
- User Manual (this document)
Image: The darkFlash PMT850 Power Supply unit with its modular cables and packaging.
4. Key Features
- ATX 3.1 & PCIe 5.1 Compatibility: Supports up to 200% total power excursion and 300% GPU power excursion for enhanced stability and security.
- 80 PLUS Gold Efficiency: Achieves up to 90% energy efficiency, reducing power waste and operating costs.
- 105°C-Rated Japanese Capacitors: Utilizes high-quality Japanese capacitors for exceptional durability and stable performance under high loads.
- Native 12VHPWR Cable: Features a 12V-2x6 connector capable of delivering up to 600W to PCIe 5.1 graphics cards, compatible with Nvidia RTX 30/40 Super and AMD GPUs.
- Fully Modular Design: Allows connection of only necessary cables, simplifying cable management and improving internal airflow.
- Compact 150mm Size: Designed to fit most PC cases.
Image: Diagram illustrating the benefits of an ATX 3.1 power supply, including enhanced power efficiency, improved cooling, enhanced cable management, and increased reliability.
Image: A diagram showing the fully modular cabling options and their lengths for the darkFlash PMT850 power supply.
5. Setup & Installation
- Prepare Your System:
- Ensure your computer is completely powered off and unplugged from the wall outlet.
- Open your computer case to access the power supply mounting area.
- Remove Old Power Supply (if applicable):
- Disconnect all cables from your old power supply to the motherboard, graphics card, and other components.
- Unscrew and remove the old power supply from the case.
- Install New Power Supply:
- Carefully place the darkFlash PMT850 into the power supply bay of your computer case.
- Secure the power supply with the provided mounting screws.
- Connect Modular Cables:
- Identify the necessary cables for your motherboard (24-pin ATX, 8-pin CPU), graphics card (12VHPWR or 6+2 pin PCIe), and storage devices (SATA, PATA).
- Connect these cables to the corresponding ports on the power supply unit. The fully modular design allows you to connect only the cables you need.
- Route the cables neatly within your case for optimal airflow and aesthetics.
- Connect the other end of the cables to your motherboard, graphics card, and other components. Ensure all connections are firm.
- Final Checks:
- Double-check all cable connections to ensure they are properly seated.
- Close your computer case.
- Connect the AC power cord to the power supply and then to a wall outlet.
Image: A close-up view of the darkFlash PMT850 power supply showing the modular cable connection ports.
6. Operation
6.1 Powering On
- Ensure the power switch on the back of the power supply is in the "ON" (I) position.
- Press the power button on your computer case.
6.2 Powering Off
- Shut down your computer through the operating system.
- For complete power disconnection, switch the power supply switch to the "OFF" (O) position and unplug the AC power cord from the wall outlet.
6.3 Fan Operation
The darkFlash PMT850 features an intelligent temperature-controlled fan. The fan speed adjusts automatically based on the power supply's temperature and load to maintain optimal cooling and minimize noise.
Image: Diagram illustrating the intelligent temperature-controlled fan and its performance curve, showing fan speed adjusting with load.
7. Maintenance
- Cleaning: Periodically clean the exterior of the power supply and its fan grille to prevent dust buildup. Use a soft, dry cloth or compressed air. Ensure the power supply is unplugged before cleaning.
- Ventilation: Ensure that the power supply's ventilation openings are not obstructed. Proper airflow is crucial for efficient cooling and longevity.
- Cable Management: Regularly check cable connections to ensure they remain secure.
Do not attempt to open the power supply unit for internal cleaning or repair. This will void the warranty and poses a risk of electric shock.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Computer does not power on. |
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| System crashes or reboots unexpectedly. |
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| Loud fan noise from PSU. |
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If problems persist after attempting these solutions, please contact darkFlash customer support.
9. Specifications
| Feature | Detail |
|---|---|
| Model Name | PMT850 |
| Brand | darkFlash |
| Output Wattage | 850 Watts |
| Efficiency Rating | 80 PLUS Gold |
| Form Factor | ATX |
| Power Supply Design | Fully Modular |
| ATX Standard | ATX 3.1 |
| PCIe Standard | PCIe 5.1 (with Native 12VHPWR cable) |
| Capacitors | 100% Japanese 105°C Rated |
| Cooling Method | Air (120mm FDB Temperature-Controlled Fan) |
| Product Dimensions (L x W x H) | 150mm x 140mm x 86mm (5.9 x 5.52 x 3.39 inches) |
| Item Weight | 4.99 pounds |
| Input Voltage | 100-240V (Full Voltage) |
| Protections | OVP (Overvoltage Protection), OPP (Overpower Protection), SCP (Short Circuit Protection) |
Image: Diagram showing the compact dimensions of the darkFlash PMT850 power supply (150mm x 140mm x 86mm).
Image: An internal view of the darkFlash PMT850 power supply, highlighting its high-performance components like Japanese 105°C-rated capacitors and LLC resonant + DC-DC structure.
10. Warranty & Support
The darkFlash PMT850 Power Supply comes with a 5-year warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
10.1 Warranty Exclusions
The warranty does not cover:
- Damage caused by accident, abuse, misuse, flood, fire, earthquake, or other external causes.
- Damage caused by operating the product outside the permitted or intended uses described by darkFlash.
- Damage caused by service (including upgrades and expansions) performed by anyone who is not a representative of darkFlash or a darkFlash Authorized Service Provider.
- Products or parts that have been modified to alter functionality or capability without the written permission of darkFlash.
10.2 Customer Support
For technical support, warranty claims, or further assistance, please visit the official darkFlash website or contact their customer service department. Refer to the product packaging or the darkFlash website for the most current contact information.
You can also visit the darkFlash Store on Amazon for more product information and support resources.
