- Home Page /
- Electronics /
- Computer Accessories /
- Computer Components /
- Computer Internal Components /
- Internal Power Supplies /
- be quiet! SFX L Quiet Performance Power 600W ...
0 ratings
Item #:
21716491
be quiet! SFX L Quiet Performance Power 600W 80 Plus Gold Quiet Performance Power Supply for Mini ITX Pcs and Compact Gaming Systems | BN639
Item #:
21716491
IMP 134
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Thursday, July 09
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Experience up to 92% efficiency with the be quiet! BN638 SFX L Power 500W, the ultimate power supply for your mini ITX PCs and compact gaming systems.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Efficiency
The 80 Plus Gold certification ensures up to 90% energy efficiency, reducing electricity costs while providing stable power for demanding Mini ITX PCs and compact gaming systems.
Silent Operation
Engineered for quiet performance, this power supply utilizes advanced fan technology, ensuring a near-silent experience during operation without compromising on cooling effectiveness.
Compact Design
Designed for Mini ITX systems, its small footprint makes it ideal for space-constrained builds while delivering powerful 600W output, catering to both gamers and PC enthusiasts.
Product Details
| Compatible Devices | Personal Computer |
| Connector Type Used on Cable | PCI Express |
| Output Wattage | 600 Watts |
| Form Factor | SFX |
| Wattage | 600 watts |
| Cooling Method | Air |
| Power Supply Design | External |
| Connector Quantity | 4 |
| Current Rating | 10 Amps |
| Number of Fans | 1 |
| Fan Size | 120 Millimeters |
| Maximum Input Voltage | 240 Volts (AC) |
| Minimum Input Voltage | 100 Volts (AC) |
| System Bus Connector Type | PCI Express |
| Model Name | BN639 |
| Brand | be quiet! |
| Manufacturer | be quiet! |
| Global Trade Identification Number | 04260052187159 |
| Mfr Part Number | BN639 |
| Model Number | BN639 |
| Built-In Media | no |
| Item Dimensions | 5.12 x 4.92 x 2.52 inches (13 x 12.5 x 6.4 cm) |
| Item Weight | 1.16 Kilograms |
| Connector Type | PCI Express |
| Item dimensions L x W x H | 5.12 x 4.92 x 2.52 inches (13 x 12.5 x 6.4 cm) |
Who Should Buy?
-
Compact Builds
Ideal for Mini ITX systems where space is limited, ensuring powerful yet quiet performance in small setups.
-
Gaming Enthusiasts
Perfect for gamers seeking reliable power supply with high efficiency and low noise levels for an immersive experience.
-
Efficiency Seekers
For users prioritizing energy efficiency and cost-saving, thanks to its 80 Plus Gold certification reducing power waste.
-
High Power Demands
Not suitable for systems requiring over 600W, such as high-end gaming rigs or professional workstations.
-
Budget Builders
May not fit users looking for a low-cost power supply, as it targets quality performance over price.
-
Noise Sensitivity
While quiet, it may still not meet the strictest silent computing needs for audiophiles or noise-sensitive users.
Product Description
be quiet! SFX L Quiet Performance Power 600W 80 Plus Gold Quiet Performance Power Supply for Mini ITX Pcs and Compact Gaming Systems | BN639
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the power output of the be quiet! SFX L Quiet Performance Power Supply?
Answer: The be quiet! SFX L Quiet Performance Power Supply delivers a robust output of 600 watts. This makes it ideal for powering Mini ITX PCs and compact gaming systems that require reliable energy without sacrificing performance. Additionally, its 80 Plus Gold rating indicates high efficiency, ensuring that your system runs smoothly while consuming less energy. This is particularly beneficial in scenarios where users are building small form factor systems that need concentrated power without excessive heat output. -
Question:
What are the dimensions of the be quiet! SFX L Quiet Performance Power Supply?
Answer: The dimensions of the be quiet! SFX L Quiet Performance Power Supply are designed to fit snugly in compact cases, measuring 125mm x 100mm x 63.5mm. This compact size is perfect for Mini ITX systems, allowing for maximum compatibility with small form factor builds. It ensures that you can assemble a powerful gaming rig or a quiet workstation without facing space constraints, making it an excellent choice for users who prioritize both performance and spatial efficiency. -
Question:
How does the 80 Plus Gold certification benefit this power supply?
Answer: The 80 Plus Gold certification signifies that the be quiet! SFX L Quiet Performance Power Supply operates with high efficiency, typically around 90% at 50% load. This not only contributes to lower electricity bills but also enhances the longevity of your components through reduced heat generation. For users assembling systems for gaming or intensive tasks, this means stable energy delivery and better thermal management, resulting in a smoother, quieter computing experience. -
Question:
Is the be quiet! power supply suitable for high-end gaming?
Answer: Yes, the be quiet! SFX L Quiet Performance Power Supply is well-suited for high-end gaming within Mini ITX setups. Its 600W output provides ample power for robust graphics cards and processors, facilitating an intense gaming experience without performance drops. Gamers can benefit from its quiet operation, allowing them to focus on the game without the distraction of noisy fans, making it an excellent choice for building a compact yet powerful gaming system. -
Question:
What type of connectors does the be quiet! power supply provide?
Answer: The be quiet! SFX L Quiet Performance Power Supply comes with a variety of connectors, including one ATX 24-pin, one CPU 4+4 pin, two PCIe 6+2 pin, and several SATA power connectors. This comprehensive array of connectors ensures compatibility with most modern motherboards, graphics cards, and storage devices. Users can efficiently build their Mini ITX systems, connecting all necessary components without hassle, making it a versatile option for different setups. -
Question:
How does this power supply manage noise levels?
Answer: This power supply is engineered with optimization for low noise levels. It features a thermally controlled fan that only spins up when necessary, allowing for near-silent operation under typical loads. This is a great advantage for users who seek a quiet computing environment, such as those involved in audio or video production, as well as gamers who prefer immersive experiences without distractions from noisy components. -
Question:
Is the installation of the be quiet! power supply straightforward?
Answer: Yes, the installation of the be quiet! SFX L Quiet Performance Power Supply is straightforward, primarily due to its compact design and clearly labeled cables. Users can easily find the required ports on both the power supply and components. For computer builders, it allows for a clean and efficient cable management, which is essential for maximizing airflow in Mini ITX cases. This makes building or upgrading systems a seamless process, even for those with limited experience. -
Question:
Can this power supply support overclocking?
Answer: Absolutely, the be quiet! SFX L Quiet Performance Power Supply can support overclocking due to its reliable 600W power output and high efficiency. When users perform overclocking, having a stable power supply is crucial to maintain system stability. This power supply caters well to power-hungry CPUs and GPUs, making it a preferred choice for tech enthusiasts looking to push their systems for better performance while ensuring operational reliability. -
Question:
Are there any thermal protection features in the be quiet! power supply?
Answer: Yes, the be quiet! SFX L Quiet Performance Power Supply includes advanced thermal protection features. These include over-temperature and over-current protections that safeguard both the power supply and the connected components. This enhances the overall reliability of the system, making it ideal for users who demand maximum performance and stability in their builds, such as gamers or professionals using resource-intensive applications. -
Question:
Where can I buy the be quiet! SFX L Quiet Performance Power Supply in Isle of Man?
Answer: You can purchase the be quiet! SFX L Quiet Performance Power Supply from Ubuy in Isle of Man. Ubuy offers a variety of electronic products, ensuring you get genuine items while benefiting from their service. Shopping with Ubuy provides you with options for shipping, making your experience seamless as you build or upgrade your Mini ITX PC or compact gaming system.
bequiet! Internal Power Supplies BN639 Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
IMP 134
Order now and get it around Thursday, July 09
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Up to 92% efficiency with 80 PLUS Gold certification.
- Supports multiple GPUs with four PCIe connectors.
- Utilizes stable LLC, Synchronous Rectifier and DC-to-DC conversion.
- Features modular cables for flexible building options.
- Includes a temperature-controlled 120mm high-quality fan.
- Comes with an SFX-to-ATX adapter bracket for larger cases.