The FSP VITA 850 BD-B is an 850 W ATX power supply for desktop computers with 80 PLUS Bronze certification for improved energy efficiency. It meets the ATX 3.1 and GEN5.1 standards, ensuring compatibility with modern components, including high-performance graphics cards and processors. This bulk unit delivers stable power with a single 12 V rail, supporting peak load requirements and transient load changes. It includes essential protection features such as overvoltage, undervoltage, overcurrent, overload, and short circuit protection. The power supply operates with a quiet 120 mm fan that adjusts its speed based on temperature, maintaining cooling efficiency with minimal noise. The dimensions are 150 mm in depth, 140 mm in width, and 86 mm in height, fitting standard ATX cases. Connection options include a 24-pin ATX connector, an 8-pin EPS12V connector for CPUs, PCIe connectors for graphics cards, SATA connectors for storage, and peripheral connections. Built with durable components, it is suitable for gaming, workstation, and general computer systems, providing reliable performance in various environments. The unit weighs approximately 1.8 kg and operates within an input voltage range of 100 V to 240 V AC with an input frequency of 50 Hz to 60 Hz. It maintains efficiency under typical loads, contributing to reduced energy consumption and heat output.