ITEM NAME:12V Computer Case Fan Hub Regulator 8 Way 4 Knob SATA/3Pin Speed Controller A#S Product Description Description: DC 12V Fan Hub Regulator 8 Way 4 Knob SATA/3Pin Speed Controller for Computer PC Case Features: Made of high-quality materials, durable, sturdy and stable for our use. Professional high-speed adjustment circuit, high performance, support SATA / 3Pin interface. This cooling fan hub is equipped with an independent speed controller for you to adjust. Specification: Power Supply Voltage: DC 12V Interface Type: SATA / 3Pin Material: Metal Colour: Black Size: 80 X 40 X 30mm/3.15 X 1.57 X 1.18" Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. Included: 1 X DC 12V Fan Hub Regulator.Interface Type: SATA / 3Pin. Included: 1 X DC 12V Fan Hub Regulator. Colour: Black. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.