be quiet! SFX POWER 3 450W - 80+ Bronze Certified - 3 Years Warranty - Number 1 PSU in Germany

Overview

The be quiet! SFX POWER 3 450W is a compact and efficient power supply unit (PSU) designed for small form factor (SFF) and mini-ITX builds. With an 80+ Bronze certification, it provides high efficiency (up to 89%), reducing energy waste while maintaining stable power delivery. The SFX form factor makes it ideal for compact PC builds, while the quiet 80mm fan ensures low noise operation. Backed by a 3-year warranty and recognized as the Number 1 PSU in Germany, it offers reliable performance and efficiency in a space-saving design.

How to Use / Install

1. Unbox the be quiet! SFX POWER 3 450W and verify all included components.
2. Turn off and unplug your PC before installation.
3. Mount the PSU into your SFX-compatible case using the provided screws.
4. Connect the necessary cables to your motherboard, CPU, storage devices, and peripherals.
5. Ensure proper cable management for airflow and system organization.
6. Double-check all connections to ensure they are secure.
7. Turn on the PSU switch and power up your system.
8. Monitor power stability via BIOS or system monitoring software.

Services / License / Plans Available

The be quiet! SFX POWER 3 450W is a hardware product and does not require a license or subscription. It includes a 3-year manufacturer warranty, covering defects and failures under normal operating conditions.

Main Difference Between Service/License/Plan Available

• Standard Manufacturer Warranty (3 Years): Covers manufacturing defects and component failures.
• Retailer-Specific Extended Warranties: Some sellers may offer additional coverage beyond the manufacturer’s warranty.

10 Key Features of be quiet! SFX POWER 3 450W

1. 450W Power Output – Ideal for mini-ITX and small form factor builds.
2. 80+ Bronze Certified Efficiency – Provides up to 89% efficiency, reducing power loss and heat output.
3. Compact SFX Form Factor – Designed for space-saving PC builds.
4. Quiet 80mm Fan – Ensures low noise levels and effective cooling.
5. Strong 12V Rail Stability – Delivers consistent power for reliable system performance.
6. PCIe Power Connector – Supports entry-level gaming GPUs.
7. High-Quality Components – Ensures long-term reliability and durability.
8. Overvoltage and Short Circuit Protection – Enhances system safety and longevity.
9. Low Standby Power Consumption – Helps reduce energy costs and environmental impact.
10. German Engineering & Quality – Designed for high efficiency, stability, and durability, making it the Number 1 PSU in Germany.

Competitor / Similar Products

1. Corsair SF450 – 450W, 80+ Gold, fully modular, known for high efficiency and quiet operation.
2. SilverStone SX500-LG – A 500W SFX PSU with 80+ Gold efficiency, designed for small form factor PCs.

The be quiet! SFX POWER 3 450W is a compact, efficient, and reliable PSU for SFF and mini-ITX builds. With 80+ Bronze certification, quiet cooling, and strong power stability, it ensures smooth and silent performance. As the Number 1 PSU in Germany, it competes with Corsair SF450 and SilverStone SX500-LG, offering German-engineered quality and efficiency in a space-saving design.