The be quiet! SFX L Quiet Performance Power Supply is designed for users who prioritize both performance and quiet operation in compact systems. With a 600W output, it is ideal for mini ITX PCs and compact gaming systems that require reliable power delivery without the noise typically associated with high-performance components. The power supply is certified with 80 Plus Gold, ensuring up to 92% efficiency, which not only reduces energy waste but also helps in maintaining lower operating temperatures. This efficiency rating also contributes to lower electricity bills over time.
The power supply supports multi-GPU configurations with four PCIe connectors, making it suitable for users who want to build high-performance gaming or workstation systems within a small form factor. It utilizes advanced power conversion technologies such as Stable LLC, Synchronous Rectifier (SR), and DC-to-DC conversion, which enhance efficiency and reduce electrical noise. The modular cable design allows for maximum build flexibility, enabling users to connect only the necessary cables and reducing clutter inside the case.
A temperature-controlled 120mm high-quality fan ensures that the power supply remains quiet under normal load conditions while still providing adequate cooling when needed. The included SFX-to-ATX adapter bracket allows for easy installation in larger cases, expanding the compatibility of this compact power supply. With a 3-year manufacturer’s warranty, the be quiet! BN639 SFX L Power Supply offers peace of mind and long-term reliability for users who value both performance and quiet operation in their compact builds.
Brand: be quiet!
Model: BN639
Specifications: 600W, 80 Plus Gold certified, 92% efficiency, four PCIe connectors, modular cables
Features: Temperature-controlled fan, SFX-to-ATX adapter bracket, Stable LLC and DC-to-DC conversion, 3-year warranty
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