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jtg-thats-me's avatar
jtg-thats-me
Follower
Nov 14, 2015

Powerline 1200 SLOW

I've got Powerline 1200, and it's really slow. I didn't expect 1200 Mbps, but the max I've been able to get less than a tenth of that, and as little as 72Mbps. Is my electrical system really noisy, or is there something else I can check?

 

I have a newer MacMini connected to a Linksys WRT 1900 AC wireless router upstairs. I've tried connecting the Powerline to the router and directly to the MacMini, but file transfer speeds remain the same. Downstairs, where I want the other Powerline unit installed, my older MacBook registers about 9MBbps, or about 72Mbps. I am able to get up to about 14MBps at other outlets, but that's still a lot slower than I want it to be.

 

Any ideas?

3 Replies

  • I think you've mis-understood the transfer rates of these adapters.  The 14MBps you achieved with the adapters is fairly typical of these units, whilst I agree the 9MBps is a little low.

     

    The best I have achieved with my units is around 17-18MBps

     

    The 'theoretical' transfer rates are very misleading and often a lot higher than actual transfer rates

    • TheEther's avatar
      TheEther
      Guru

      According to this SmallNetBuilder review, it should be able to hit up to 212 Mbps. Maybe the OP can test with the units in the same or adjacent wall outlets on the same circuit to confirm.

       

      Performance, however, will degrade with distance and noise. The path from downstairs to upstairs could be circuitous and/or involve a lot of connection joints that cause signal reflections.

  • I think its highly dependent on your electrical set up.

     

    Genie currently reports my devices are synced at 934 Mbps tx and 825 Mbps rx. I can download from my NAS at 35MBps (about average for my readynas device). I haven't tried transferring from elsewhere yet to see how fast I can push it but I don't think the slowness is down to the devices themselves.