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- Be Quiet SFX Power 3 450W
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Item #:
117627636
Be Quiet SFX Power 3 450W
Item #:
117627636
XCD 750
Price Details
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Imported from USA store
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Order now and get it around Sunday, August 30
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SFX Power 3 450W offers the ideal combination of power, quietness and reliability.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Compact Size
The Be Quiet SFX Power 3 450W is designed for small form factor builds, providing high efficiency without taking up excess space, making it ideal for compact gaming or workstation setups.
Silent Operation
With its high-quality silent fan, this power supply minimizes noise during operation, ensuring a quiet computing environment, perfect for users who prioritize tranquility in their builds.
High Efficiency
Rated at 80 PLUS Gold, this power supply delivers outstanding energy efficiency, reducing power consumption and heat output, leading to lower electricity bills and a more environmentally friendly build.
Product Details
| Compatible Devices | Personal Computer |
| Connector Type Used on Cable | PCI Express |
| Output Wattage | 450 |
| Form Factor | SFX |
| Wattage | 450 watts |
| Cooling Method | Air |
| Power Supply Design | Full Modular |
| Connector Quantity | 2 |
| Number of Fans | 1 |
| Fan Size | 8 centimeters |
| Maximum Input Voltage | 240 volts_of_alternating_current |
| Minimum Input Voltage | 100 volts |
| Upper Temperature Rating | 40 u00b0C |
| System Bus Connector Type | 6+2 Pin |
| Model Name | sfx power,sfx power 3 |
| Brand | be quiet! |
| Number of Packs | 1 |
| Number of Items | 1 |
| Unit Count | 1 Count |
| Manufacturer | be quiet! |
| Global Trade Identification Number | 04260052188279 |
| Model Number | BN321 |
| Mfr Part Number | BN321 |
| Item Dimensions | 3.94 x 4.92 x 2.52 inches (10 x 12.5 x 6.4 cm) |
| Item Weight | 0.89 kg |
| Connector Type | PCI Express |
| Item dimensions L x W x H | 3.94 x 4.92 x 2.52 inches (10 x 12.5 x 6.4 cm) |
Who Should Buy?
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Compact Builds
Ideal for small form factor PCs, providing high power in a space-efficient design without sacrificing performance.
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Silent Operation
Perfect for users prioritizing low noise levels, featuring silent cooling technology to enhance user experience.
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Gaming Systems
Well-suited for mid-range gaming rigs, delivering stable power for components without overheating or loud fan noise.
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High-Power Users
Not suitable for systems requiring over 450W, limiting usability for demanding applications and high-end GPUs.
Product Description
Be Quiet SFX Power 3 450W
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the form factor of the Be Quiet SFX Power 3 450W?
Answer: The Be Quiet SFX Power 3 450W comes in a compact SFX form factor, making it an ideal choice for small form factor (SFF) builds. This format enables efficient space utilization without compromising on performance. Users seeking to build powerful yet compact systems, such as mini-ITX gaming rigs or home theater PCs, will find that this power supply fits seamlessly into their setups. -
Question:
What is the efficiency rating of the Be Quiet SFX Power 3 450W?
Answer: The Be Quiet SFX Power 3 450W has an 80 PLUS Gold efficiency rating, providing energy efficiency of up to 90%. This superior efficiency reduces energy waste and maintains lower heat output, which is critical for system longevity and stable performance. Ideal for those looking to build an environmentally-friendly system or trying to reduce energy costs, this power supply can minimize overall power consumption without sacrificing reliability. -
Question:
What are the key features of the Be Quiet SFX Power 3 450W?
Answer: Key features of the Be Quiet SFX Power 3 450W include a compact design, 80 PLUS Gold efficiency, and a silent operation with a temperature-regulated fan. The compact size is perfect for mini-PC builds, while the efficient design decreases electricity bills and energy waste. Perfect for gamers and professionals who demand performance without the noise, this power supply ensures your system runs cool and quiet under heavy loads. -
Question:
Is the Be Quiet SFX Power 3 450W modular or non-modular?
Answer: The Be Quiet SFX Power 3 450W is a non-modular power supply, meaning that all cables are fixed and cannot be removed. This design can contribute to a more cost-effective build while ensuring that all necessary connections are readily available. While it may require a bit more cable management, it's perfect for users who prioritize performance and reliability in their compact systems without the additional complexity of modular setups. -
Question:
What types of connectors does the Be Quiet SFX Power 3 450W offer?
Answer: The Be Quiet SFX Power 3 450W includes a variety of connectors, such as 1x 24-pin ATX connector, 1x 8-pin CPU connector, and multiple PCIe 6+2 connectors, along with SATA and Molex outputs. This comprehensive range of connections ensures compatibility with modern graphics cards and numerous peripherals, making it suitable for a variety of system builds, from gaming to content creation and everything in between. -
Question:
How quiet is the Be Quiet SFX Power 3 450W during operation?
Answer: The Be Quiet SFX Power 3 450W is designed for silent operation, featuring a temperature-regulated 80mm fan that only activates under higher loads. In typical everyday use, it operates at near-silent levels, making it an excellent choice for quiet computing environments such as home offices or media centers. Gamers and professionals looking for peace during their work or gaming sessions will greatly appreciate the noise-canceling design of this power supply. -
Question:
Can the Be Quiet SFX Power 3 450W support high-end gaming components?
Answer: Yes, the Be Quiet SFX Power 3 450W can support high-end gaming components thanks to its 450W output and multiple PCIe connectors. It is designed to deliver stable power to demanding components such as the latest graphics cards and high-performance CPUs. For gamers looking to build a compact yet powerful gaming rig, this power supply provides the necessary power for smooth performance during intense gaming sessions or resource-heavy tasks. -
Question:
What is the operating temperature range of the Be Quiet SFX Power 3 450W?
Answer: The Be Quiet SFX Power 3 450W operates effectively within a temperature range of 0°C to 40°C. This range ensures reliable performance even in varying ambient conditions, which is essential for both gaming and professional environments. For users in warmer climates or who push their systems to the limit, maintaining a power supply that can handle heat efficiently is vital for system reliability and longevity. -
Question:
Is the Be Quiet SFX Power 3 450W compatible with all motherboards?
Answer: The Be Quiet SFX Power 3 450W is compatible with most motherboards that support SFX form factor power supplies. It includes universal connectors like ATX and CPU power, making it versatile for various builds. Users building compact PCs with mini-ITX or micro-ATX motherboards will find it an ideal match. However, ensure that your motherboard has a PSU connector that is compatible with the power supply's offerings for seamless integration. -
Question:
Where can I buy Be Quiet SFX Power 3 450W in Grenada?
Answer: You can purchase the Be Quiet SFX Power 3 450W from Ubuy in Grenada. Ubuy offers a reliable platform for acquiring high-quality components and ensures a smooth shopping experience for consumers seeking top-tier products.
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Pros
- Ultra quiet operation
- Compact design for small cases
- High efficiency
- Reliable performance
- Good build quality
Cons
- Limited cable length for flexibility.
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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XCD 750
Order now and get it around Sunday, August 30
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Features & Benefits
- Compact PSU perfect for mini and media PCs.
- Delivers 450W continuous power with strong 12V rail.
- Supports PCIe graphics cards with two 6+2 pin connectors.
- Operates quietly at a maximum of 33.8dB(A) thanks to a quality fan.
- Achieves up to 89.3% efficiency with 80 PLUS Bronze certification.
- Backed by a three-year manufacturer’s warranty.
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