FSP400-50AMB - A new generation of IPC PSU compliant with ATX 3.0 specifications
FSP Group, Mönchengladbach, 11.04.2023 - The FSP Group introduces the FSP400-50AMB, a modern, cutting-edge industrial power supply meeting the latest ATX 3.0 specifications.
With ATX 3.0-compliant standards, the FSP400-50AMB (Power supply <450W & without 12V HPWR connector) can handle voltage peaks of up to 150% of the power supply’s rated power for 100 μs, enabling faster response and system wake-up through changes in the Power-On signal speed and supporting Modern Standby. It also increases efficiency at low loads.
The FSP400-50AMB is an industrial-grade switching power supply equipped with high-quality electrical components that withstand high loads and demanding operating conditions. It is ideal for use in industrial environments and various applications (industrial servers, storage servers, networks, surveillance, telecommunications, AI applications, etc.).
In addition to the 400W FSP400-50AMB, FSP offers a comprehensive range of ATX 3.0-compliant power supplies, including ATX IPC-PSUs in 250W/300W/500W versions and Flex IPC-PSUs in 100~300W versions (50FRB series). High-performance ATX 3.0-compatible PSUs will soon also be available at 750W/850W/1200W.
FSP400-50AMB Features
- 400W ATX IPC power supply
- Meets ATX 3.0 specifications
- 80 PLUS Bronze
- Internal 8-cm fan with IEC 62368
- Low ripple & noise
- Supports OCP, OTP, and OVP protection circuits
- Short-circuit protection on all outputs
- Global safety certifications (CB, CE, UL, FCC, TUV, EMC, UKCA)
Publisher of the message (text / image): FSP Power Solution GmbH, www.fsp-ps.de

