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Do passive USB extenders (25ft) introduce more or less latency than a repeater?


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#1 Spellbinder2050

Spellbinder2050

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Posted 17 June 2016 - 10:02 PM

I'm trying to get my hands on a 25ft USB extender cable, along with an HDMI cable, to run from my PC in the room into the living room and then attach a USB hub to it, so I can use a wireless keyboard / mouse / PS4 controller to use on my LCD screen. I plan to do gaming with keyb/mouse, but also with the game-pad.

I'm getting mixed information. The spec for USB 2.0 says that setups beyond 5 meters (approx 16 ft 5in) will not work. It also says that "repeaters" beyond that spec will "regenerate the USB signal."

3 important questions about this:

1. When they say that USB is limited by 5 meters, are they talking about the power that can go through that cable or the data itself? (I don't really know how a USB cable works internally, but I'm assuming there's a data + power rail on it)

2. which aspect of whats traveling through the cable will be "regenerated" by a repeater?

3. Practically speaking, and in terms of input delay (latency), would I be better off with a 25 ft cable with or without a repeater if I plan to put a USB hub with 4 ports at the end of it?

What if I choose to only use the PS4 pad without a USB hub, which cable would be preferable?

Thanks to anyone who takes the time to read this. :)

-------------------

PC specs:

Core i7 950 Bloomfield @ 4.0ghz
16 GB of DDR3 Corsair Vengeance
EVGA GTX 980 FTW

Asus P6X58D-E Motherboard
Windows 7 Home Edition x64


Edited by Spellbinder2050, 17 June 2016 - 10:05 PM.


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