Somewhere, in a metro area to the NE of you, I've been hitting these speeds on an S.A. DPC2505 consistently for about 11 months (all legit, gear/account/bootfile built for 50X5/etc)... Perhaps worth noting is that I did need to tweak my stack a bit (XP SP2) to hit my max - *particularly for the upstream*. YMMV on the stack tweaking... I've been running this copy of XP for ages, so I wouldn't be surprised if my 'tweaking' was actually just 'fixing' something pre-existing...
:::.. testmy.net test results ..:::
Download Connection is:: 49867 Kbps about 49.87 Mbps (tested with 51200 kB)
Download Speed is:: 6087 kB/s
Upload Connection is:: 1527 Kbps about 1.5 Mbps (tested with 2992 kB)
Upload Speed is:: 186 kB/s
Tested From::
http://testmy.net (Main)
Test Time:: 2009/07/05 - 2:58pm
D-Validation Link::
http://testmy.net/stats/id-YFNUB9XOV
U-Validation Link::
http://testmy.net/stats/id-1UE9PJOB3
User Agent:: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.3) Gecko/2008092417 Firefox/3.0.3 [!]
:::.. Download Stats ..:::
Download Connection is:: 47118 Kbps about 47.1 Mbps (tested with 102391 kB)
Download Speed is:: 5752 kB/s
Tested From::
http://testmy.net/ (Main)
Test Time:: 2009/07/05 - 2:26pm
Bottom Line:: 822X faster than 56K 1MB Download in 0.18 sec
Tested from a 102391 kB file and took 17.802 seconds to complete
Download Diagnosis:: Awesome! 20% + : 624.11 % faster than the average for host (comcast.net)
D-Validation Link::
http://testmy.net/stats/id-K8XSULY1P
User Agent:: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.3) Gecko/2008092417 Firefox/3.0.3 [!]
And FWIW -- Even if your service level only allows you to hit 22Mbps at the moment - you're still getting a huge leg up with the D3 modem [SB6120?] and service... <A> Your area now has 4X the D/S bandwidth available... <B> I doubt there are many others in your area with D3 modems... Meaning those extra 3 channels will be pretty lightly loaded, and available for you to hit your 22Mbps nice and consistent.
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