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There are Eight current HSI tiers.

These are the Advertised Rates of service as follows:


Economy Plus: 3 Mbps / 768 Kbps [3000 Kbps / 768 Kbps]


Performance Starter: 6 Mbps / 1 Mbps [6000 Kbps / 1000 Kbps]

Performance: 25 Mbps / 5 Mbps [25000 Kbps / 5000 Kbps] ( DOCSIS 3.0 tier )


Performance 50: 50 Mbps / 5 Mbps [50000 Kbps / 5000 Kbps] ( DOCSIS 3.0 tier )


Blast: 50 Mbps / 10 Mbps [50000 Kbps / 10000 Kbps] ( DOCSIS 3.0 tier )


Blast 105: 105 Mbps / 10 Mbps [105000 Kbps / 10000 Kbps] ( DOCSIS 3.0 tier )

Extreme 150: 150 Mbps / 20 Mbps [150000 Kbps / 20000 Kbps] ( DOCSIS 3.0 tier )

Extreme 505: 505 Mbps / 100 Mbps [505000 Kbps / 100000 Kbps] ( Fiber To The Home / FTTH tier )

The Provisioned Rates
which are the overhead/caps are as follows:


Economy Plus:
3000 Kbps / 768 Kbps
Downstream: 3000 Kbps
Upstream: 768 Kbps

This translates into about 375 KB/sec maximum transfer rate when you are downloading and about 96 KB/sec maximum transfer rate when you are uploading.


Performance Starter: 6000 Kbps / 1000 Kbps
Downstream: 6600 Kbps
Upstream: 1100 Kbps

This translates into about 825 KB/sec maximum transfer rate when you are downloading and about 137.50 KB/sec maximum transfer rate when you are uploading.

Performance: 25000 Kbps / 5000 Kbps (DOCSIS 3.0 tier)
Downstream: 27500 Kbps
Upstream: 5500 Kbps

This translates into about 3437.5 KB/sec maximum transfer rate when you are downloading and about 687.5 KB/sec maximum transfer rate when you are uploading.


Performance 50: 50000 Kbps / 5000 Kbps (DOCSIS 3.0 tier)
Downstream: 55000 Kbps
Upstream: 5500 Kbps

This translates into about 6875 KB/sec maximum transfer rate when you are downloading and about 687.5 KB/sec maximum transfer rate when you are uploading.


Blast: 50000 Kbps / 10000 Kbps (DOCSIS 3.0 tier)
Downstream: 55000 Kbps
Upstream: 11000 Kbps

This translates into about 6875 KB/sec maximum transfer rate when you are downloading and about 1375 KB/sec maximum transfer rate when you are uploading.


Blast 105: 105000 Kbps / 10000 Kbps (DOCSIS 3.0 tier)
Downstream: 116000 Kbps
Upstream: 11000 Kbps

This translates into about 14500 KB/sec maximum transfer rate when you are downloading and about 1375 KB/sec maximum transfer rate when you are uploading 

Extreme 150:
150000 Kbps / 20000 Kbps (DOCSIS 3.0 tier)
Downstream: 165000 Kbps
Upstream: 22000 Kbps

This translates into about 20625 KB/sec maximum transfer rate when you are downloading and about 2750 KB/sec maximum transfer rate when you are uploading

Extreme 505: 505000 Kbps / 100000 Kbps (Fiber To The Home / FTTH tier)
Downstream: 555500 Kbps
Upstream: 110000 Kbps

This translates into about 69437.5 KB/sec maximum transfer rate when you are downloading and about 13750 KB/sec maximum transfer rate when you are uploading.



Acceptable download/upload speeds by opinion are 80% of your advertised rates.


Actual speeds may vary and are not guaranteed.


If you are running a home network, keep in mind that this bandwidth is shared amongst each computer.
A computer accessing the home network at the same time as another computer, will not
get the full bandwidth. It will be distributed between the computers.

Note:
b = bits
B = Bytes


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*This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates.








Feedback received on this FAQ entry:
  • Nicely done, thank you!

    2014-07-20 13:51:22



Expand got feedback?

by Johkal See Profile
last modified: 2014-12-15 08:22:38