The Fujitsu 450W Platinum is a modular power supply unit designed to provide stable and efficient energy for professional server environments. Its Platinum efficiency rating ensures that power loss is minimized during conversion, which helps reduce heat output and lower electricity costs over time. This unit is particularly useful for those maintaining high-availability systems because it is hot-pluggable, allowing you to replace or install the module without shutting down the entire server. Engineered for specific hardware configurations, this PSU is compatible with several Primergy models, including the TX1330 M3 and M4, as well as the RX1330 M3/M4, RX2520 M4/M5, and RX2540 M4/M5. You can identify this specific component by part numbers S26113-F575-L13, S26113-F575-E13, or 38042202, making it a reliable choice for technicians looking to maintain or upgrade their server infrastructure with original specifications.