*OPEN BOX $The Corsair RMX Series RM850x power supply is a fully modular unit designed for high performance and reliability. With a maximum power output of 850W and a single fan for cooling, this power supply is ideal for demanding computing applications. The Corsair brand is known for quality and durability, making the RMX Series a popular choice for computer enthusiasts and professionals alike. This open box item offers a convenient way to upgrade your system with a top-of-the-line power supply solution.