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FSP650-50FUB

80+ Platinum · Flex

UL/cUL CE FCC CCC CB TÜV EN 62368-1 BSMI KC UKCA
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Features

  • 80 Plus Platinum
  • Meet Intel ATX V3.1
  • Internal 4 cm fan at output side for better acoustic quality
  • Low Ripple & Noise
  • Support OCP, OTP and OVP circuit protection
  • Short circuit protection on all outputs
  • 100% Hi-pot tested
  • MTBF:100K hours at 25 °C
  • 100% burn-in under high ambient temperature (50 °C)

80 PLUS Verification and Testing Report

Introduction

The FSP650-50FUB is a 650 W industrial-grade switching power supply designed for space-constrained 1U server chassis and harsh industrial environments. Complying with Intel ATX 3.1 standards, this compact yet high-efficiency PSU delivers reliable power for industrial edge servers, communication systems, and automation equipment. Featuring robust construction and meeting global safety (IEC/UL 62368-1) and EMC (EN 55032) certifications, it ensures stable 24/7 operation in demanding applications while maintaining compatibility with next-generation server hardware.

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Product Sheet
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Safety
80 Plus Platinum

FSP650-50FUB: the world's first ATX 3.1 Platinum Flex PSU

 

FSP sets new benchmarks with the FSP650-50FUB, as the world's first Flex ATX power supply, which combines ATX 3.1 compliance with 80 PLUS® Platinum certification. Developed to meet the rising demand for compact, high-efficiency power solutions in industrial computing, the FSP650-50FUB marks a significant milestone in the evolution of IPC power technology.

 

How does the FSP650-50FUB set a new benchmark in compact power design?

 

 

FSP650-50FUB: the world's first ATX 3.1 Platinum Flex PSU

FSP650-50FUB: High Efficiency & Reliability in Flex Size

The FSP650-50FUB is 80 PLUS Platinum certified and offers high conversion efficiency at 20%, 50% and 100% load at 90% and up to 92%.

Additionally, the FSP650-50FUB features comprehensive protection mechanisms, including OVP, OCP, OTP, and SCP, to enhance operational safety. MTBF for up to 100,000 hours at 25°C, demonstrating superior durability and stability.

 

Check the 80 PLUS verification and the test report of FSP650-50FUB:

 

 

Output Rating Chart:

Outputs +3.3V +5V +12V -12V +5Vsb
Max. current 14.0A 16.0A 54.17A 0.3A 3.0A
Min. current 0.0A 0.0A 0.0A 0.0A 0.0A
Regulation ±5% ±5% +5/-7% ±10% ±5%
Ripple/Noise 50mV 50mV 120mV 120mV 50mV

 

Learn more about FSP650-50FUB

FAQ

FAQ

Learn More About FSP650-50FUB

+1. What is the FSP650-50FUB power supply, and why is it considered unique in the industry?

The FSP650-50FUB is a 650W industrial-grade Flex ATX power supply built for high-performance computing. It is the world's first PSU to combine ATX 3.1 compliance with 80 PLUS Platinum certification in the Flex ATX size (150 x 81.5 x 40 mm). This makes it a market-leading solution for compact, reliable, and energy-efficient IPC and server applications.

The FSP650-50FUB is unique as the only Flex ATX power supply with ATX 3.1 and Platinum efficiency, setting a new industry benchmark.

+2. How does ATX 3.1 compliance improve performance in the FSP650-50FUB?

ATX 3.1 is Intel's newest power standard, ensuring stable, faster, and safer power delivery to modern hardware. In the FSP650-50FUB, ATX 3.1 compliance enables better handling of high transient loads, surge tolerance, and full support for PCIe Gen5 devices. This means greater reliability in demanding AI and GPU server environments.

The FSP650-50FUB's ATX 3.1 compliance makes it future-proof for next-generation GPU and AI workloads.

+3. What efficiency levels does the FSP650-50FUB achieve with 80 PLUS Platinum certification?

The FSP650-50FUB is 80 PLUS Platinum certified, reaching 90% efficiency at 20% load, up to 92% at 50% load, and 90% at full load (100%). This efficiency reduces wasted energy, minimizes heat generation, and extends equipment lifespan while lowering total operating costs.

The FSP650-50FUB delivers Platinum-level efficiency across all loads, ensuring cost savings and energy optimization.

+4. Can the FSP650-50FUB reliably power PCIe Gen5 GPUs and AI accelerator cards?

Yes. With a +12V rail delivering up to 54.2A and support for 12VHPWR and 12V-2x6 connectors, the FSP650-50FUB is designed to power PCIe Gen5 GPUs and AI accelerator cards with stability. This makes it suitable for edge AI servers, GPU-based computing, and industrial applications requiring high current delivery.

The FSP650-50FUB ensures stable, high-current power for the latest GPUs and AI platforms.

+5. What built-in protection features does the FSP650-50FUB provide for industrial safety?

The FSP650-50FUB includes OVP (over-voltage protection), OCP (over-current protection), OTP (over-temperature protection), and SCP (short-circuit protection). It also features a resettable shutdown function for added fault recovery and is 100% Hi-pot tested to ensure safety under industrial conditions.

The FSP650-50FUB offers full safety protections to secure critical systems against electrical faults.

+6. What is the MTBF and long-term reliability of the FSP650-50FUB power supply?

The FSP650-50FUB has an MTBF of 100,000 hours at 25°C, ensuring reliable long-term operation. Each unit undergoes 100% burn-in testing at 50°C, proving its durability under harsh conditions and continuous workloads.

The FSP650-50FUB is engineered for industrial reliability, with rigorous testing and a long MTBF for 24/7 use.

+7. Which applications and industries benefit most from using the FSP650-50FUB?

The FSP650-50FUB is ideal for industrial PCs, networking equipment, firewalls, medical imaging systems, GPU and AI servers, edge computing nodes, Industry 4.0 automation, UPS controllers, smart grids, and data centers. Its combination of compact size, efficiency, and high +12V output makes it versatile across multiple industries.

The FSP650-50FUB is a flexible power solution for industries that demand high uptime, stability, and compact integration.

+8. How does the compact Flex ATX form factor of the FSP650-50FUB support system integration?

Measuring just 150 x 81.5 x 40 mm, the FSP650-50FUB follows the standard Flex ATX size, making it easy to integrate into space-limited systems. Despite its compact design, it still delivers 650W of stable power, enabling integrators to build smaller, more efficient industrial servers and embedded systems.

The small Flex ATX form factor of the FSP650-50FUB simplifies integration without sacrificing power output.

+9. What connector options are available on the FSP650-50FUB for flexible deployment?

The FSP650-50FUB includes multiple standard outputs and connectors, such as 24-pin motherboard, 4+4 pin CPU, SATA, Molex, PCIe, and 12V-2x6 connectors (option). It also supports -12V and 5Vsb outputs, ensuring compatibility with a wide range of industrial PCs and server platforms.

The FSP650-50FUB offers versatile connector options, making it adaptable for different system builds.

+10. How does the FSP650-50FUB contribute to energy savings and ESG goals in industrial computing?

With its 80 PLUS Platinum efficiency, the FSP650-50FUB reduces system power consumption, lowers heat output, and minimizes cooling requirements. These benefits not only cut energy costs but also support carbon reduction and ESG initiatives, making it a sustainable choice for industrial and commercial deployments.

The FSP650-50FUB combines high efficiency with eco-friendly design, supporting both cost control and sustainability goals.

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