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Run 2 120mm fans externally??

Gottboost
By Gottboost
in Cooling
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Hi, How would you go about running 2 120mm fans externally? either by usb or usb type c? would like a fan control? help would be appreciated 

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1 hour ago, Gottboost said:

Hi, How would you go about running 2 120mm fans externally? either by usb or usb type c? would like a fan control? help would be appreciated 

little more explanation would help - how/where are they going to be used? Do you mean just mounting them to the outside of a PC case? or like... you want two free-floating 120mm PC fans hanging out on your desk? (joking, but some guys at my work do this for real so I have to ask).

 

If on a PC case you can indeed mount them on the outside generally, and just run the wires inside to motherboard fan headers. Looks ugly but still works fine.

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its for a laptop cooling stand, have a cooler master one with 3 80mm fans, but im pretty sure they are on there way out. so i wanted to put 2 120mm fans under it, but not sure how to power or control them. I know usb doesn;t have enough power to run them. just trying to fin other options.

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56 minutes ago, Gottboost said:

its for a laptop cooling stand, have a cooler master one with 3 80mm fans, but im pretty sure they are on there way out. so i wanted to put 2 120mm fans under it, but not sure how to power or control them. I know usb doesn;t have enough power to run them. just trying to fin other options.

Ah gotcha. I think you can buy some Noctua fans in a 5v version that could run off USB's 5v but most PC fans are 12v so you'd need a 12v AC adapter or something like that to power them. 

HEDT: i9 10980XE @ 4.9 gHz, 64GB @ 3600mHz CL14 G.Skill Trident-Z DDR4, 2x Nvidia Titan RTX NVLink SLI, Corsair AX1600i, Samsung 960 Pro 2TB OS/apps, Samsung 850 EVO 4TB media, LG 38GL950G-B monitor, Drop CTRL keyboard, Decus Respec mouse

Laptop: Razer Blade Pro 2019 9750H model, 32GB @ 3200mHz CL18 G.Skill Ripjaws DDR4, 2x Samsung 960 Pro 1TB RAID0, repasted with Thermal Grizzly Kryonaut
Gaming Rig: i9 9900ks @ 5.2ghz, 32GB @ 4000mHz CL17 G.Skill Trident-Z DDR4, EVGA RTX 2080 Ti Kingpin, Corsair HX1200, Samsung 970 EVO Plus 2TB, Asus PG348Q monitor, Corsair K70 LUX RGB keyboard, Corsair Ironclaw mouse
HTPC: i7 7700 (delidded + LM), 16GB @ 2666mHz CL15 Corsair Vengeance LPX DDR4, MSI Geforce GTX 1070 Gaming X, Corsair SFX 600, Samsung 850 Pro 512gb, Samsung Q55R TV, Filco Majestouch Convertible 2 TKL keyboard, Logitech G403 wireless mouse

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I could only find 40mm noctua 5v fans. If i can get larger 5v fans. I wonder if i could wire itto the cooler master controller the original fans are connected to.

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1 hour ago, Gottboost said:

I could only find 40mm noctua 5v fans. If i can get larger 5v fans. I wonder if i could wire itto the cooler master controller the original fans are connected to.

On their main page they have a news thing at the very top from last summer that seems to suggest they have all sizes in 5v versions, along with a USB 5v power adapter for them. 

Screenshot_20190113-004413.jpg

HEDT: i9 10980XE @ 4.9 gHz, 64GB @ 3600mHz CL14 G.Skill Trident-Z DDR4, 2x Nvidia Titan RTX NVLink SLI, Corsair AX1600i, Samsung 960 Pro 2TB OS/apps, Samsung 850 EVO 4TB media, LG 38GL950G-B monitor, Drop CTRL keyboard, Decus Respec mouse

Laptop: Razer Blade Pro 2019 9750H model, 32GB @ 3200mHz CL18 G.Skill Ripjaws DDR4, 2x Samsung 960 Pro 1TB RAID0, repasted with Thermal Grizzly Kryonaut
Gaming Rig: i9 9900ks @ 5.2ghz, 32GB @ 4000mHz CL17 G.Skill Trident-Z DDR4, EVGA RTX 2080 Ti Kingpin, Corsair HX1200, Samsung 970 EVO Plus 2TB, Asus PG348Q monitor, Corsair K70 LUX RGB keyboard, Corsair Ironclaw mouse
HTPC: i7 7700 (delidded + LM), 16GB @ 2666mHz CL15 Corsair Vengeance LPX DDR4, MSI Geforce GTX 1070 Gaming X, Corsair SFX 600, Samsung 850 Pro 512gb, Samsung Q55R TV, Filco Majestouch Convertible 2 TKL keyboard, Logitech G403 wireless mouse

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Posted

Why not get an external power supply with a molex connector. You could connect that to a cheap fan controller.

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