Corsair K70 RGB

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ZeroThier

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Apr 12, 2015
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Hi. I'm going to upgrading to a i7 6700K and an Asus Z170A in the summer. However, both my headset and mouse use usb 2.0, and there are only two usb 2.0 ports on the motherboard. I am also going to be upgrading my keyboard to a K70. Reviewers on YouTube say that you can use the keyboard only with one usb 3.0 port, and to leave the other usb not in use (LinusTechTips). I would like to just check that you can use a K70 just with a USB in a 3.0 port as on the website it only says compatibility with usb 2.0.
Thanks
 
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USB 3.0 is backwards compatible with USB 2.0 and vice versa. The only difference you'll see is speeds. USB 3.0 has 9 pins (if i'm not mistaken) USB 2.0 only has 4. So you can plug in a USB 2.0 into a USB 3.0 jack without any problems, OR, you can plug in a USB 3.0 flash drive (for example) into a USB 2.0 jack, and you won't have any problems. Only difference will be speeds. USB 2.0 is slower than USB 3.0 . I own a K70 too, this is the deal; if you're gonna plug in the keyboard to a USB 2.0 port you need to connect both cables so that enough power is supplied to the keyboard. However, when you connect it to a USB 3.0 port, you only need to plug in 1 cable because USB 3.0 can supply more power through one port. (Note, it has to be one...
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The_Man12

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Mar 22, 2014
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USB 3.0 is backwards compatible with USB 2.0 and vice versa. The only difference you'll see is speeds. USB 3.0 has 9 pins (if i'm not mistaken) USB 2.0 only has 4. So you can plug in a USB 2.0 into a USB 3.0 jack without any problems, OR, you can plug in a USB 3.0 flash drive (for example) into a USB 2.0 jack, and you won't have any problems. Only difference will be speeds. USB 2.0 is slower than USB 3.0 . I own a K70 too, this is the deal; if you're gonna plug in the keyboard to a USB 2.0 port you need to connect both cables so that enough power is supplied to the keyboard. However, when you connect it to a USB 3.0 port, you only need to plug in 1 cable because USB 3.0 can supply more power through one port. (Note, it has to be one specific cable out of the two, I can't remember which one)
 
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