Question USB headers? and connectors? 5-pin? 9-pin and 10-pin?

rocafella1978

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Apr 28, 2015
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hi all, just needed some clarification and guidance to understand the USB headers on the motherboards.
there are USB 2.0 slot/ expansion brackets, where one can find 1-4 USB 2.0 ports on them. but what i don't understand is, what is the right one?
there are variety being sold, with 4-pin, 5-pin, 9-pin and 10-pin connectors? how do i know which one is the right one?
( i understand the single wire and double wire, but what is the importance or what do i need to understand about the 4 to 10 pin connectors?)

StarTech.com 4 Port USB A Female Slot Plate Adapter - USB panel - 4 pin USB Type A (F) (USBPLATE4)
StarTech.com 2 Port USB A Female Slot Plate Adapter - USB panel - USB (F) to 5 pin in-line (F) - USBPLATE
50CM 2xUSB 2.0 A Female Panel Mount to 10 Pin Header Motherboard Cable Adapter
50cm Dual USB 2.0 Type A Female to Motherboard 9Pin Header Cable Adapter with Screw Panel

thank you all for your help!

Motherboards with connectors/ headers, all these have free headers on the motherboard for USB.
  • Gigabyte Aorus Z390 AORUS PRO
  • Asus PRIME Z270-P
  • Asus PRIME B250M-A
  • Asus TUF Z390M-PRO GAMING
 
hi, it doesnt matter which one u use, all of them should work
USB 2.0 has 9/10 pin header on mainboard, 10th pin is usualy not connected , 9th pin is for extra ground for high power delivery

4pins are on USB - A port


btw i would try to avoid your first picture as thats a really bad design where u got no idea which way to connect it
 

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