1. Introduction
This manual provides essential information for the installation, operation, and maintenance of your LC-Power LC6450 V2.2 450W PC Power Supply. Please read this manual thoroughly before installation to ensure proper and safe usage.
The LC-Power LC6450 V2.2 is a 450W ATX switching power supply featuring a 120mm fan for efficient cooling, a PCI-Express V2.0 6+2 pin connector, and Power Factor Correction (PFC) for optimized energy usage. It includes all relevant safety circuitry to protect your system.
2. Safety Information
WARNING: Improper installation or use can lead to serious injury or damage to your equipment. Always follow these safety guidelines:
- Ensure the power supply is disconnected from the main power outlet before installation or maintenance.
- Do not open the power supply unit. High voltage components inside can cause electric shock. There are no user-serviceable parts.
- Install the power supply in a well-ventilated area.
- Use only the cables provided with the power supply.
- Avoid exposing the unit to moisture or extreme temperatures.
- This product is designed for use with personal computers. Do not use it for other purposes.
Refer to the "CAUTION HAZARDOUS VORSICHT GEFAHRENZONE ATTENTION DANGER" markings on the unit.
3. Package Contents
Verify that all components are present:
- LC-Power LC6450 V2.2 450W Power Supply Unit
- Power Cord (region specific)
- Mounting Screws
- User Manual (this document)

Image: The LC-Power LC6450 V2.2 450W PC Power Supply unit shown alongside its retail packaging. The power supply is black with a large fan grille on top and a label displaying specifications. The box is green and white, highlighting features like "120MM FAN" and "SUPER SILENT SERIES".
4. Setup and Installation
Follow these steps to install your power supply:
- Preparation: Turn off your computer and disconnect the power cord from the wall outlet. Open your computer case.
- Remove Old PSU (if applicable): Disconnect all cables from your old power supply to the motherboard, graphics card, drives, etc. Unscrew and remove the old power supply from the case.
- Install New PSU: Place the LC-Power LC6450 V2.2 into the power supply bay of your PC case. Ensure the fan is oriented correctly for optimal airflow (usually facing down or up, depending on case design). Secure the power supply with the provided mounting screws.
- Connect Motherboard Power: Connect the 20+4 pin ATX main power connector to your motherboard. For motherboards requiring an 8-pin (4+4) CPU power connector, use the appropriate cable.
- Connect Peripheral Power: Connect SATA power connectors to your hard drives, SSDs, and optical drives. Connect Molex connectors to any other peripherals requiring them.
- Connect Graphics Card Power: If your graphics card requires additional power, use the 6+2 pin PCI-Express connector.
- Cable Management: Route cables neatly to improve airflow and aesthetics.
- Final Check: Double-check all connections to ensure they are secure. Close your computer case.
- Power On: Connect the 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. Power on your computer.
5. Operating Instructions
Once installed, the LC-Power LC6450 V2.2 operates automatically with your computer. Ensure the power switch on the back of the unit is in the 'ON' position for the computer to receive power. The 120mm fan will activate to cool the unit during operation, adjusting its speed as needed to maintain optimal temperature and quiet performance.
The power supply features Active Power Factor Correction (APFC) to ensure efficient power delivery and reduce energy waste.
6. Maintenance
The LC-Power LC6450 V2.2 is designed for minimal maintenance. However, periodic checks can prolong its lifespan:
- Dust Removal: Periodically (e.g., every 6-12 months), power down and unplug your computer. Use compressed air to gently clear dust from the power supply's fan and ventilation grilles. Do not open the unit.
- Cable Inspection: Ensure all power cables remain securely connected and are not pinched or damaged.
- Ventilation: Ensure your PC case has adequate airflow and that the power supply's vents are not obstructed.
7. Troubleshooting
If you encounter issues, try these common troubleshooting steps:
- No Power:
- Check if the power cord is securely connected to both the PSU and the wall outlet.
- Ensure the power switch on the back of the PSU is in the 'ON' position.
- Test the wall outlet with another device to confirm it has power.
- Verify all internal power connections (20+4 pin, CPU, GPU, drives) are firm.
- System Instability/Crashes:
- Ensure your system's power requirements do not exceed the PSU's 450W capacity.
- Check for overheating components, including the PSU itself (though the 120mm fan should prevent this under normal load).
- If recently installed, re-verify all connections.
- Loud Fan Noise:
- Clean any dust accumulation from the fan and vents.
- Ensure the PSU is not overloaded, causing the fan to spin at maximum speed.
- If problems persist after these steps, contact LC-Power customer support or a qualified technician.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | LC6450 V2.2 |
| Brand | LC-POWER |
| Type | ATX Switching Power Supply |
| Maximum Power Output | 450W |
| Fan Size | 120mm |
| PFC | Active Power Factor Correction (APFC) |
| PCI-Express Connector | 1x 6+2 pin V2.0 |
| Input Voltage | 230V |
| Input Current | 5A |
| Frequency | 50Hz |
| Dimensions (L x W x H) | 14 x 15 x 8.5 cm |
| Weight | 1.45 kg |
| Cooling Method | Air |
| Compatible Devices | Personal Computer |
| Color | Black |
| Safety Certifications | CE, TUV, RoHS |
DC Output Table (from product label):
| DC Output | +3.3V | +5V | +12V1 | +12V2 | -12V | +5Vsb | |
|---|---|---|---|---|---|---|---|
| Current | 20A | 22A | 16A | 18A | 0.5A | 2.5A | |
| Combined Output Power (+3.3V/+5V) | 115W | ||||||
| Combined Output Power (+12V1/+12V2) | 340W | ||||||
| Combined Output Power (-12V/+5Vsb) | 18.5W | ||||||
| Max Combined Total Power | 450W | ||||||
9. Warranty and Support
LC-Power products are covered by a limited warranty. Please refer to the warranty card included with your purchase or visit the official LC-Power website for detailed warranty terms and conditions. Keep your proof of purchase for warranty claims.
For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact LC-Power customer service through their official website or the contact information provided in your product documentation.
Availability of spare parts is currently unavailable. Software updates are not applicable for this product.







