sb5120 vs sb5100

In addition to the SB5100, Motorola has docs on SB5101, SB5101E (Euro) and SB5120. Only the 5100 is listed as a product though which implies to me that the others are for ISPs only and may have some software or minor hardware mods to aid the ISPs or some such.

Only differences I could see in the docs:

SB5120 supports 32 users in one place and 63 in another SB5100 supports 63 users SB5101 supports 63 users

The 5120 user guide says 5100 inside with no ref to 5120 which leads one to beelieve they should be interchangeable.

the difference is the chipset. the 5100 uses broadcom while the 5120 uses texas instruments. between the two, the 5120 is better...

FYI, when I traded in my ancient SB3100 to Comcast, they gave me the 5120. Plugged it in, turned it on, got it provisioned and I immediately went from

mady

I'm still using the ancient SB3100 that Comcast gave me when I started the service with them in early 2001. My service level was just upgraded to 6Mbps for the standard tier, but the best I've seen so far is 5.5Mbps. I think I'm probably pushing the upper limits of this modem, even though Comcast says it should be good for up to 6.3Mbps.