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Old 07-26-2008, 11:15 AM
 
Location: Between a Rock and a Hard Place
110 posts, read 470,521 times
Reputation: 68

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I have a 5 year old Dell P4 2.5 Ghz with 2 LCD's thats always on serving as a file server and a print server. It has several internal HD's and a external USB drive with our various files. It has 2 USB printers connected to it, one B&W laser and 1 All-in-one.

Would it be more efficient to get rid of the PC and replace it with wireless devices (Hard Drives, Printers)?
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Old 07-26-2008, 11:30 AM
 
Location: United Kingdom
339 posts, read 1,149,538 times
Reputation: 180
If the desktop is kept in low power mode until it is needed, then it will probably only be consuming a very small amount of electricity.
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Old 07-27-2008, 02:23 AM
 
11,715 posts, read 36,341,277 times
Reputation: 7514
Well putting it in low power mode until needed defeats the purpose of a file and print server. It needs to be up and read all the time to do its job. Honestly, I doubt it draws that much power. If you don't already, you should get a good UPS to protect it. I use APC units and they have load monitoring built into either a display on the UPS itself or viewable through the software. A device called a Kill A Watt can also tell you how many watts anything you plug into it is drawing.

Here's a couple of data points from my own house:

Core 2 Duo 2.2Ghz, 2GB DDR2, single SATA hard drive, integrated video draws about 70w. Powering up the attached 20" LCD pushes that to about 105w.

Core 2 Duo 2.4Ghz, 4GB DDR2, 4 SATA hard drives (including two 10k rpm models), nVidia 7600 PCIe video and two 20" LCDs draws 225w. The CPU in this machine is an older version that runs a lot hotter and presumably draws more power than the one in the first machine so that probably accounts for a good part of the power difference along with the video card.

I don't quite understand when you say the LCDs are always on but you wonder if its more efficient to get rid of the PC in favor of wireless peripherals. The computer doesn't need the LCD running to act as a file server and if you're also using it as a workstation, you can't get rid of it. My PC (the second one I listed) is main computer but it also serves as a file and print server for the other machine. I let the LCDs go to sleep after 10 minutes of inactivity but the rest of the computer runs at full power. I don't think it makes much difference in my electric bill. And don't forget that wireless peripherals can be a pain in the rear to keep working properly and in the case of hard drives, are a lot slower than local storage.
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Old 07-27-2008, 09:14 AM
 
Location: Between a Rock and a Hard Place
110 posts, read 470,521 times
Reputation: 68
Thanks to Both,

Escape Cali.. This machine has two LCD from the time I used it regularly but those days are gone. We use our laptops almost exclusively now. Many days I actually have both of the LCD's off.

I think I'm going to pickup one of those Kill a watt devices. Thanks!

D.
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