My Powerline isn't getting enough Mbps as it should!!

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Dazz1001

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Jul 22, 2014
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Ok, so a few months ago I bought a Powerline kit from TP-link, I believe it's the 'TP-link AV500 Nano' and so I asked my internet service provider how much download speed I should be getting and they said 20mbps or so, I didn't believe them and tried myself (with my powerline) and roughly got 3-5mbps download on Steam which was weird so I done an internet speed test and it said I would be getting around 3-5mbps too, I brought my PC downstairs to the modem and set it up with a normal ethernet cable and I got around 16mbps download, please note I am aware that there is a difference in speeds when using powerline and wired but I didn't know it would be that big of a gap, can anyone explain what is wrong? -Darryl (Dazz)
 
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Pooneil

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Apr 15, 2013
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Nothing is wrong, except the outsized marketing claims of the all manufacturers. The performance is within the bounds of reasonably expected functioning of powerline adapters. If you are on a different breaker circuit and potentially a different "branch" from the power company, performance will be remarkably below nominal. While download speeds will suffer, for most gaming, it should be OK. There are devices marketed to cross the boundary between "branches," I have no idea if they work. The only other option is to try a different circuit and see if it is better. Just to be sure, you have each adapter plugged straight into the wall outlet with no cord or power strip in between, right.
 
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Dazz1001

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Jul 22, 2014
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No I have one powerline plugged into an extension cord but I tried with both plugged into a socket and there was no performance change and just to let you know I'm very new to this and didn't mean to make the other guys solution the best, I didn't even know how I did it lol!
 
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abailey

abailey

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Mar 23, 2014
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No performance drop on a powerline device is because of distance, different branches in your breaker box, or noise on the line. If your speed changes and you have not moved the powerline adapters, then it is noise on the line. Many things can produce noise. If you can get these things off the same circuit that is best. If not, the further you can get them away from your powerline devices the better. Adding a 6ft extension cord to a device that puts out noise can keep the noise from getting to the powerline adapters some times. Many things make noise on the line, chargers (like for cell phones and such), "wall wart" power supplies with the large plastic ends, motors, compressors, dimmer switches. One thing to do is to unplug anything on the same circuit as the powerline adapters and test. If they are faster then you can start plugging things back in until you find the thing that is causing problems.
 
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Pooneil

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Apr 15, 2013
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Don't worry, abailey generally does have the best solution. So you did good. The problem is that is no simple way to determine the reasons for underperformance, so some trial and error is required until performance becomes acceptable. So if your ping times are small and the data rate is enough for your games, you can either leave well enough alone or work to find the cause of underperformance. Depending on your preference.
 
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