FAN CONTROL + Take control. AK-FC-06BK is a fan controller for 3.5'' bay. Speed control for 3 fans and 2 USB 2.0 ports. Finished in gloss black. Speed control for 3 fans Aluminium panel and side rails In stylish black 2 USB 2.0 ports  Application  Standard 3.5'' Drive Bay  Dimension  102 x 25 x 95mm  Colour  Black  Input voltage  12v ± 10%  Output voltage  6V ~ 12v ± 10%  Wattage  Maximum 10 watts per channel  Produce code  AK-FC-06BK Power Cable USB internal cable 3 x 3-pin extension cables Fixing screws akasa is not responsible for the content of external internet sites Worldoverclockers.com "Includes 2 x USB 2.0 ports, Can Power 10 Watts per channel, Can Control 3 fans in the space of a 3.5” drive bay'' more.. Pocitace.sme.sk (Slovakian) "Riadit otácky ventilátorov v pocítaci môžete viacerými spôsobmi'' more.. Computer shopper "With the added advantage of the USB ports, it's a good-value upgrade.'' more..