ATX Power Supply Manufacturer | 80Plus Gold/Platinum & ATX3.1

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ATX Power Supply with 80Plus Certification & ATX3.1/PCIE5.1 Support

We produce atx power supply from 200W to 1300W (up to 1600W in stock), with 80Plus Bronze/Gold/Platinum certification and ATX3.1/PCIE5.1 compatibility. Our ATX power supply has full/non-modular designs, passed UL/CE/FCC/RoHS, applied for gaming, server and desktop PCs, with professional R&D team from top power supply brands for customization.
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Advantages of the product

Wide Power Range & Advanced Standard Support

We produce ATX power supplies with a power range of 200W to 1600W, supporting the latest ATX3.1 and PCIE5.1 standards, equipped with 12VHPWR ports to meet the high-power demand of high-end GPUs and CPUs for gaming and professional workstations.

Dual Design of Modular & Non-Modular

We provide both full-modular and non-modular ATX power supply options, the full-modular design facilitates cable management and case heat dissipation, while the non-modular design ensures more stable power transmission, meeting different PC build needs.

Related products

ATX power supply is the foundation of the power supply system of modern computing equipment, and its standardized design and reliable performance ensure the stable operation of desktops, servers and professional workstations. Shenzhen Yijian Technology Co., Ltd., a professional PC power supply manufacturer with over 20 years of experience, has been deeply engaged in the ATX power supply market, and has formed a complete product system and service system through technological innovation, intelligent production and strict quality control, providing high-quality power supply solutions for global customers. Yijian’s ATX power supply products are designed in strict accordance with Intel’s ATX 12V series specifications and the latest ATX 3.0 standard, with optimized voltage output and power distribution design, ensuring that the +12V, +5V and +3.3V voltage outputs are stable and accurate, meeting the power supply requirements of various core components of computing equipment. The R&D team of Yijian has more than 20 members, all with over 10 years of experience in ATX power supply design, and has a deep research on the circuit topology, thermal management and noise reduction technology of ATX power supplies. The team has developed a number of innovative technologies, such as a high-efficiency power conversion circuit and a silent heat dissipation system, which can effectively improve the conversion efficiency of ATX power supplies, reduce operating noise and heat generation, and improve the stability and service life of the product. Yijian’s ATX power supply products adopt high-quality electronic components, with built-in perfect protection functions, which can effectively protect the connected computing equipment from power supply abnormalities such as over-voltage, over-current and short-circuit, ensuring the safe and stable operation of the equipment. The factory of Yijian has passed ISO9001 and ISO14001 certifications, and has built an intelligent production base for ATX power supplies with an area of 20,000 square meters, equipped with 5 advanced automatic production lines and a variety of professional testing equipment. The production process of ATX power supplies adopts intelligent management systems such as E-SOP, Andon and MES, which realizes the digitalization and intelligence of the entire production process. The E-SOP system provides workers with standardized operation guidelines, reducing human errors and improving production efficiency; the Andon system realizes real-time monitoring of the production line, and can quickly respond to production problems; the MES system records all production data of ATX power supplies, realizing the whole-process traceability of products. All ATX power supplies of Yijian have passed more than 30 strict performance tests and obtained a number of international authoritative certifications, which ensures that the products meet the technical, safety and environmental protection standards of different countries and regions, and can be sold and used globally. Yijian’s ATX power supply product line covers a wide range of power ratings from 550W to 3000W, with 80Plus Bronze, Gold and Platinum efficiency certifications, to meet the power supply needs of different application scenarios. The 80Plus Platinum AI-3000W full-modular ATX power supply is a flagship product of Yijian, which was showcased at COMPUTEX 2025 and received high attention from the industry. This product is specially designed for high-power server clusters and professional workstations, with a conversion efficiency of more than 92% and a large number of output interfaces, which can meet the power supply needs of multiple high-power components and realize the stable operation of large-scale computing systems. The 80Plus Gold GN-1300W full-modular ATX power supply is suitable for high-end gaming desktops and professional design workstations, with a high conversion efficiency and stable voltage output, which can meet the power supply needs of high-end hardware and ensure the smooth operation of resource-intensive software such as 3D modeling and video editing. Yijian implements a ubiquitous QC team management mode in the production of ATX power supplies, with QC personnel conducting strict inspection and control of each link from raw material procurement to finished product delivery, ensuring that every product delivered to customers is of high quality. The company also provides personalized customization services for ATX power supplies, according to the customer’s specific needs, to adjust the power rating, efficiency level, interface type and appearance design of the power supply, and provide one-stop customization solutions from design to production. In terms of after-sales service, Yijian has established a perfect after-sales service system, providing 1% spare parts for each order, responding to customer feedback within 2 hours, and issuing an 8D report within 24 hours to solve product problems. Yijian’s ATX power supplies have been widely recognized by global customers for their excellent quality, stable performance and perfect after-sales service, and have established long-term and stable cooperative relations with many well-known computer manufacturers and distributors around the world.

Frequently Asked Questions

Do you have modular and non-modular options for ATX power supplies?

We provide both full-modular and non-modular design options for ATX power supplies to meet different customer needs. The full-modular design allows users to connect only the required cables, reducing case cable clutter and improving heat dissipation efficiency; the non-modular design ensures more stable power transmission and lower production cost, which is a cost-effective choice for entry and mid-range PC builds.
Our ATX power supplies are the mainstream power supply type, mainly applicable to desktop PCs including home office PCs, mid-to-high end gaming PCs, and professional workstations for design and video editing. Our high-power ATX3.1 models are also suitable for high-performance gaming hosts with multi-GPU configurations, and the server-grade ATX power supplies can be used for small and medium-sized server systems with stable 24/7 operation.

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customer evaluation

Jacob

The ATX power supply has passed UL, CE, FCC and other certifications, with multiple safety protection functions. It can automatically cut off power in abnormal situations, protecting PC components well.

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80Plus Certified ATX Power Supply for Multiple Scenarios

80Plus Certified ATX Power Supply for Multiple Scenarios

Our ATX power supplies cover Gold, Platinum and Bronze 80Plus certifications, suitable for gaming, office and server use. With full/non-modular options, they meet diverse needs. Contact us for high-efficiency ATX power supply products.
Rigorous Testing for Reliable ATX Power Supply

Rigorous Testing for Reliable ATX Power Supply

Every ATX power supply undergoes 30+ tests during production, with IQC before production and multi-process inspection. Our strict QC system eliminates defective products. Reach out to us for stable and safe ATX power supplies.
Professional R&D & Customization for ATX Power Supply

Professional R&D & Customization for ATX Power Supply

Our R&D team, with backgrounds from top power supply brands, designs high-performance ATX power supplies and supports OEM/ODM customization. We can adjust parameters for your specific scenarios. Contact us for customized ATX power supply solutions.
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