be quiet! announced the availability of a new model to its Pure Power 11 FM family of fully modular power supply units that has been certified 80 PLUS GOLD. The selection will be expanded with the addition of the 850W "FM 850W" and 1000W "FM 1000W" models.

It is a mainstream power supply unit with great cost performance, and the series has been enlarged to include all five types, rather than the traditional three of 550W, 650W, and 750W.

Obtained the 80 PLUS GOLD accreditation, which indicates that the product performs at a maximum efficiency of 93.9 percent. The 12V dual-lane specification is used, with the 850W model featuring four systems and the 1000W model using six systems of PCI-Express auxiliary power supply.

The cooling system utilizes a 120 mm silent fan that operates incredibly quietly. It operates at 15 decibels or less, even at 80 percent load, and claims to have the quietest operation in its class. External measurements are 150 mm in width, 165 mm in depth, and 86 mm in height. The MTBF is 100,000 hours, and the manufacturer provides a 5-year guarantee.