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 Post subject: switch consumption...how much?
PostPosted: Sun Jan 20, 2008 2:19 pm 
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Joined: Sun Jan 20, 2008 2:02 pm
Posts: 3
hey guys, I just registered so hi everyone

I'll be upgrading my home network shortly so I'm thinking about some possible configurations

I am considering a standard 8 port 100mbps switch ( new, it wouldn't be economically convenient getting an used one off ebay with shipping fees ) against a used one, in this case I have seen several rather cheap ones online with 24/48 ports, I might occasionally need more than 8 ports and space for the switch is not a problem (I'll be probably getting a small wall rack or build a similar solution in both the cases)
I can't find anything regarding how much energy switches use

do you know how much energy does a small 8 ports switch uses against a bigger one?

more or less the same? depending on the traffic? I really have no clue...


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 Post subject:
PostPosted: Sun Jan 20, 2008 5:04 pm 
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Joined: Thu Oct 21, 2004 4:49 pm
Posts: 336
Location: Upper left hand corner, USA
Afraid I don't know much about switch power consumption -
but there have been one or two other posts on here about that
(might see if can find them by search).

Also might want to consider - some of the larger (older) switches have a fan (not so good for silence, probably also indicates greater power consumption.) So I would check the specs carefully.

Will you be upgrading to gigabit anytime in forseeable future?
(gigabit switch will probably take more power, but there is also power/resources involved in making the switch itself -
so may be better to get a gigabit switch to start with, rather than getting a 100mb switch and then having to get another gigabit switch.
Alternatively - a second hand 8 port 100mb switch, later augmented with
additional ports from a gigabit switch might meet your need for more than 8 ports economically and at lower power.)


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 Post subject:
PostPosted: Mon Jan 21, 2008 4:42 am 
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Joined: Sun Jan 20, 2008 2:02 pm
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I would be getting a fanless switch, and I'm not upgrading to Gigabit

I don't think I'll need gigabit at home in the next years so I'm not even considering it as of now

this is why my doubt is between 8 ports new (no way to get an used one for the same price including shipping, and there wouldn't be any warranty) and 24/48 used

weird that we can't find anything about any model consumption, even if it's not the exact model someone is buying it would give us an idea of how much energy our networking equipment requires

energy is costing more and more everyday so I'm starting from small stuff like this and I'm planning to keep an eye open on everything I buy from now on


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 Post subject:
PostPosted: Mon Jan 21, 2008 2:38 pm 
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Joined: Sun Jan 20, 2008 2:02 pm
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newegg lists power consumption on some switches and generally 8 port switches use less than 10W against 30W (smaller switches) or 80W - 100W for 48 ports ones so the choice is done...

8 ports for now is enough, eventually 2 when I'll need more than 8 ports


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 Post subject:
PostPosted: Fri Feb 01, 2008 5:36 pm 
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Joined: Sat May 17, 2003 4:32 pm
Posts: 114
The latest revision of D-Link's gigabit switches are all advertised as "green."

http://www.dlink.com/corporate/environm ... -ethernet/

They claim it uses 80% less power than past switches when all computers are powered down. The documentation suggests any port not in use reduces power consumption, unlike past switches.


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