Thus 15 USD Top-flow CPU cooler with a 136mm fan has addressable RGB LEDs in the shape of a ring on the front. The "UL551" is an Intel-only model, and the "UD551" is an AMD-only model. There are two models in the series.

The cooling fan has the following specifications: rotation speed 500 to 1,800 rpm 10%, air volume 44.31 CFM, static pressure 1.65 mmAq, noise level 26.8 dBA or less, bearings are fluid bearings, and addressable RGB LEDs that can be controlled by 5V / 3pin connectors are included.

The "UL551" measures 136mm in width, 136mm in depth, 71mm in height, and weighs 412g. The external measurements of the "UL551" are 136mm in width, 136mm in depth, 71mm in height, and 412g in weight. Intel LGA1200 / 1151 / 1150 / 1155 processor platforms are supported.

Aesthetically speaking, the "UD551" measures 136mm in width, another 136mm in depth, a height of 69mm, and a weight of 378 grams. AMD Socket AM4 is the platform that is supported.