![Amazon.com: 12V Fan Speed Controller, Fan Power Adapter,USB 5V Step UP Boost to DC 12V Adapter, 5-12V Adjustable, with 3/4 Pin Fan Connector Cable, 4.8ft Length : Electronics Amazon.com: 12V Fan Speed Controller, Fan Power Adapter,USB 5V Step UP Boost to DC 12V Adapter, 5-12V Adjustable, with 3/4 Pin Fan Connector Cable, 4.8ft Length : Electronics](https://m.media-amazon.com/images/I/51R5bmIL56L.jpg)
Amazon.com: 12V Fan Speed Controller, Fan Power Adapter,USB 5V Step UP Boost to DC 12V Adapter, 5-12V Adjustable, with 3/4 Pin Fan Connector Cable, 4.8ft Length : Electronics
![iPower 80/92/120mm Mini USB Fan Speed Controller for CPU & Plant Ventilation - Florida Technical College iPower 80/92/120mm Mini USB Fan Speed Controller for CPU & Plant Ventilation - Florida Technical College](https://i.ebayimg.com/images/g/pc0AAOSw0WxiC3L1/s-l1600.jpg)
iPower 80/92/120mm Mini USB Fan Speed Controller for CPU & Plant Ventilation - Florida Technical College
![1pc New Fan Speed Controller USB Fan Stepless Speed Controller Regulator Speed Variable Switch Module - AliExpress 1pc New Fan Speed Controller USB Fan Stepless Speed Controller Regulator Speed Variable Switch Module - AliExpress](https://ae01.alicdn.com/kf/HLB1QfTQXsfrK1RjSszcq6xGGFXab/1pc-New-Fan-Speed-Controller-USB-Fan-Stepless-Speed-Controller-Regulator-Speed-Variable-Switch-Module.jpg)
1pc New Fan Speed Controller USB Fan Stepless Speed Controller Regulator Speed Variable Switch Module - AliExpress
![1PC USB Fan Speed Controller DC 4-12V Reducing Noise Multi-stall Adjustment Governor Rated Power 5W _ - AliExpress Mobile 1PC USB Fan Speed Controller DC 4-12V Reducing Noise Multi-stall Adjustment Governor Rated Power 5W _ - AliExpress Mobile](https://ae01.alicdn.com/kf/HTB1VVptKqmWBuNjy1Xaq6xCbXXaj/1PC-USB-Fan-Speed-Controller-DC-4-12V-Reducing-Noise-Multi-stall-Adjustment-Governor-Rated-Power.jpg)
1PC USB Fan Speed Controller DC 4-12V Reducing Noise Multi-stall Adjustment Governor Rated Power 5W _ - AliExpress Mobile
![Rosewill 120mm External USB Fan with Adjustable Multi-Speed Controller, Plug and Play, Quiet Operation Cabinet Cooling for Computer, Gaming Console, Audio/Video Electronics - RUF-17001 USB Gadgets - Newegg.com Rosewill 120mm External USB Fan with Adjustable Multi-Speed Controller, Plug and Play, Quiet Operation Cabinet Cooling for Computer, Gaming Console, Audio/Video Electronics - RUF-17001 USB Gadgets - Newegg.com](https://images10.newegg.com/BizIntell/item/00/996/00-996-313/f2-01_121718.jpg)
Rosewill 120mm External USB Fan with Adjustable Multi-Speed Controller, Plug and Play, Quiet Operation Cabinet Cooling for Computer, Gaming Console, Audio/Video Electronics - RUF-17001 USB Gadgets - Newegg.com
![iPower Silent Dual 120mm USB Fan with Speed Controller for Plant Stand Shelf Ventilation Circulate Air - Walmart.com iPower Silent Dual 120mm USB Fan with Speed Controller for Plant Stand Shelf Ventilation Circulate Air - Walmart.com](https://i5.walmartimages.com/asr/ca8d94b9-85a5-4d53-b9a6-836f6f601a2c.32de0a0bb3e3122aad0eca192d61ff33.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
iPower Silent Dual 120mm USB Fan with Speed Controller for Plant Stand Shelf Ventilation Circulate Air - Walmart.com
![Amazon.com: Dual 120mm USB Fan with 3 Speed Controller, KEYNICE DC 5V Powered Desk Fan for AV Receiver DVR Playstation TV Box Computer Cabinet Cooling : Electronics Amazon.com: Dual 120mm USB Fan with 3 Speed Controller, KEYNICE DC 5V Powered Desk Fan for AV Receiver DVR Playstation TV Box Computer Cabinet Cooling : Electronics](https://m.media-amazon.com/images/I/71CXJZzfuNL.jpg)
Amazon.com: Dual 120mm USB Fan with 3 Speed Controller, KEYNICE DC 5V Powered Desk Fan for AV Receiver DVR Playstation TV Box Computer Cabinet Cooling : Electronics
![Rosewill 120mm External USB Fan with Adjustable Multi-Speed Controller, Plug and Play, Quiet Operation Cabinet Cooling for Computer, Gaming Console, Audio/Video Electronics - RUF-17001 USB Gadgets - Newegg.com Rosewill 120mm External USB Fan with Adjustable Multi-Speed Controller, Plug and Play, Quiet Operation Cabinet Cooling for Computer, Gaming Console, Audio/Video Electronics - RUF-17001 USB Gadgets - Newegg.com](https://c1.neweggimages.com/productimage/nb640/00-996-313-S01.jpg)
Rosewill 120mm External USB Fan with Adjustable Multi-Speed Controller, Plug and Play, Quiet Operation Cabinet Cooling for Computer, Gaming Console, Audio/Video Electronics - RUF-17001 USB Gadgets - Newegg.com
![iPower Silent 120mm USB Fan with Speed Controller for Plant Stand Shelf Ventilation, Black - Walmart.com iPower Silent 120mm USB Fan with Speed Controller for Plant Stand Shelf Ventilation, Black - Walmart.com](https://i5.walmartimages.com/asr/0f8eb052-b920-4aa8-891b-870df3d6c007.371c80f9851782683df45a9b6e8d73af.jpeg)
iPower Silent 120mm USB Fan with Speed Controller for Plant Stand Shelf Ventilation, Black - Walmart.com
![3pcs 5w Usb Fan Air Volume Speed Stepless Governor Module Usb Speed Controller Dc 5v Usb Male Input | Fruugo NO 3pcs 5w Usb Fan Air Volume Speed Stepless Governor Module Usb Speed Controller Dc 5v Usb Male Input | Fruugo NO](https://img.fruugo.com/product/2/98/666569982_max.jpg)
3pcs 5w Usb Fan Air Volume Speed Stepless Governor Module Usb Speed Controller Dc 5v Usb Male Input | Fruugo NO
![Amazon.com: USB Fan Speed Controller, DC 5V Stepless Mini USB Fan Governor DC 4-12V to 2.5-8V 5W Regulator Speed Control Knob with Switch(3PCS) : Electronics Amazon.com: USB Fan Speed Controller, DC 5V Stepless Mini USB Fan Governor DC 4-12V to 2.5-8V 5W Regulator Speed Control Knob with Switch(3PCS) : Electronics](https://m.media-amazon.com/images/I/71-tGQJbwfL._AC_UF894,1000_QL80_.jpg)
Amazon.com: USB Fan Speed Controller, DC 5V Stepless Mini USB Fan Governor DC 4-12V to 2.5-8V 5W Regulator Speed Control Knob with Switch(3PCS) : Electronics
![USB Fan Speed Controller, USB Fan Control Module Low Noise Module USB Fan Controller For Heat Dissipation For Increase The Air Volume - Walmart.com USB Fan Speed Controller, USB Fan Control Module Low Noise Module USB Fan Controller For Heat Dissipation For Increase The Air Volume - Walmart.com](https://i5.walmartimages.com/asr/113beb95-551e-4004-8071-ba6e283e7c8b.5db800f4505214eeac01e985ec29b1d8.jpeg)
USB Fan Speed Controller, USB Fan Control Module Low Noise Module USB Fan Controller For Heat Dissipation For Increase The Air Volume - Walmart.com
![1M 100cm PC Case Fan Speed Control USB Extension Cable with Switch cord Fan Controller-Regulation Equipment 1M 100cm PC Case Fan Speed Control USB Extension Cable with Switch cord Fan Controller-Regulation Equipment](https://ae01.alicdn.com/kf/Hc039554a774240cc9b64466f4b967f929/1M-100cm-PC-Case-Fan-Speed-Control-USB-Extension-Cable-with-Switch-cord-Fan-Controller-Regulation.jpg)
1M 100cm PC Case Fan Speed Control USB Extension Cable with Switch cord Fan Controller-Regulation Equipment
![DC USB Fan Controller, Durable Efficient Heat Dissipation USB Fan Speed Controller Easy Operation For Easily Adjust The USB Fan Speed - Walmart.com DC USB Fan Controller, Durable Efficient Heat Dissipation USB Fan Speed Controller Easy Operation For Easily Adjust The USB Fan Speed - Walmart.com](https://i5.walmartimages.com/asr/49c97bbc-233e-483b-847f-9256658a9424.a3f57fa0f4a38006307d429908c5625a.jpeg)
DC USB Fan Controller, Durable Efficient Heat Dissipation USB Fan Speed Controller Easy Operation For Easily Adjust The USB Fan Speed - Walmart.com
![USB Fan Speed Controller Governor Timer LED Dimming Module 5V 5W Voltage Adjustable For Office Car Student Dormitory USB Fan Speed Controller Governor Timer LED Dimming Module 5V 5W Voltage Adjustable For Office Car Student Dormitory](https://ae01.alicdn.com/kf/HTB1o4eUXUT1gK0jSZFrq6ANCXXaa/USB-Fan-Speed-Controller-Governor-Timer-LED-Dimming-Module-5V-5W-Voltage-Adjustable-For-Office-Car.jpg)