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 Post subject: Please explain Wireless AC1200 over USB 2.0....
PostPosted: Wed Aug 13, 2014 7:15 am 
Willamette
Willamette

Joined: Tue Feb 01, 2005 12:17 pm
Posts: 1485
OK, so I'm going to be getting a USB Wireless AC adapater. I've seen some (Such as the NetGear Wireless AC1200 adapater--model 6200) that only has USB 2.0. After looking at their package, I noticed that they are claiming two streams: one is 897 Mbps and the other is 300 Mbps for a total of 1200 Mbps I'm assuming. How is this possible if USB 2.0 can only handle (at max, not taking into account overhead) 480 Mbps?

Wireless N 300 adapters I can understand since they fall within the specs 480 Mbps limit, but how can a Wireless AC adapater exceed a transfer rate of 480 Mbps (or about 430 Mbps of actual usable bandwidth)?


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 Post subject: Re: Please explain Wireless AC1200 over USB 2.0....
PostPosted: Wed Aug 13, 2014 7:23 am 
Smithfield
Smithfield

Joined: Sun Jun 18, 2006 7:37 pm
Posts: 5407
They're shortchanging you because customers only see networks speeds and don't know anything about USB speeds.


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 Post subject: Re: Please explain Wireless AC1200 over USB 2.0....
PostPosted: Wed Aug 13, 2014 9:14 am 
Willamette
Willamette

Joined: Tue Feb 01, 2005 12:17 pm
Posts: 1485
That's what I figured. From what I've read, USB 2.0 (when taking into account overhead) maxes out around 430-433 MBps, so I don't know why they can even make the claims they do (not just Linksys, but everyone else) with a USB 2.0 Wireless AC adapter....

I was planning on getting a PCI-E or USB 3.0 adapter anyway but wanted to know why companies made these claims when it's isn't technically possible to achieve such speeds....


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 Post subject: Re: Please explain Wireless AC1200 over USB 2.0....
PostPosted: Wed Aug 13, 2014 9:45 am 
Million Club 2+ [PC]*
Million Club 2+ [PC]*
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Joined: Thu Sep 07, 2006 5:55 pm
Posts: 7891
Unless you have a very hi-speed Internet connection, using just about any modern USB adapter is going to give you damned near the same speed. My USB 3.0 adapter does the same thing as my USB2.0 adapter. 1.1Mbps on an un-throttled download. They both pull the same speeds in the same location.


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 Post subject: Re: Please explain Wireless AC1200 over USB 2.0....
PostPosted: Wed Aug 13, 2014 10:11 am 
Smithfield
Smithfield

Joined: Sun Jun 18, 2006 7:37 pm
Posts: 5407
There's that too. People also don't understand having a faster local network doesn't mean having faster internet.


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