The MPIII850W power supply from Mars Gaming is a component designed for demanding users in gaming and high-performance computing who require stable and powerful power for their systems. This power supply stands out by offering a maximum power of 850 W, suitable for setups with multiple components and graphics cards that demand high and constant current, ensuring reliable operation. It includes a 120 mm fan that, combined with an anti-vibration system and speed control, maintains optimal temperature with a low noise level of just 14 dB, allowing long gaming sessions without acoustic discomfort. Its design features fixed, flat, extra-long cables, facilitating neat installation inside the case, improving space management and internal airflow. The power supply operates within an input voltage range of 200-240 V at 50/60 Hz, with an active power factor correction (PFC) that increases energy efficiency, certified above 85%. Its built-in protections—OPP (overcurrent), OVP (overvoltage), UVP (undervoltage), and SCP (short circuit)—ensure the safety of connected hardware against possible overloads or electrical irregularities. Regarding connectivity, it offers a wide variety of connectors including a 24-pin ATX main connector, a 4+4 pin EPS for CPU, six SATA connectors, four Molex, and two 6+2 pin PCIe connectors, enabling compatibility with storage devices, fans, and powerful graphics cards. Voltage and current distribution is carefully balanced, with significant outputs of +3.3 V (25 A), +5 V (27 A), and +12 V (60 A), supporting the stability and performance of critical components. Its ATX form factor and compact dimensions of 150 x 145 x 85 mm make it compatible with most standard gaming cases. Weighing 1300 grams, it reflects a robust build with quality materials. The black and red two-tone finish, along with its functional design, aesthetically complements gaming-oriented setups. Evaluated by ATX12V, CE, ROHS, and TUV standards, this power supply combines quality, safety, and technical features that meet the needs of gamers and computing enthusiasts requiring a reliable and efficient power source. In short, the Mars Gaming MPIII850W is a powerful and durable power supply designed to handle high loads with optimized thermal and acoustic management for advanced systems.