I have been told that leaving your computer on all the time would be the equivalent of keeping a 60watt bulb lit 24x7. This can't cost more than $5 a month?
With today's computers, cpus drain from 15-20W (idle) to 70-80W ([EMAIL PROTECTED] or [EMAIL PROTECTED]), mobo 10-15W, hd 10 W each, nic+modem 5-10W (maybe more), total (let's assume 30 for cpu) 60W, power supply + 10% 0 about 70 W (only one HD..).
But tomshardware.com said differently (remember that it increased the wattage of the % the psu waste due to efficiency<100% and remember that 500W psu always drain more power for itself than a 400W and so on). Unfortunately I don't have the link anymore, I mailed this infos to a friend some time ago. Anyway, I worked with a pc where the total wattage was (calculated with this table) about 300W, while the PSU was a 235W. Well, the psu gone away with the mobo, so these values shouldn't be totally wrong. I also noticed that a device powered but not used still drain power: the pc that broke down could start only if the cdrom or cd-rw were disconnected from PSU.
IDE Hard Drive (RAID group) 4 112.00W
Processor AMD Athlon XP 2100+, 1.75 V 89.88W
RAM Module (128 MByte DDR-DIMM) 3 30.00W
AGP Graphics Card (Nvidia GeForce 4 Ti 4600) 1 29.80W
Motherboard with on-board devices 1 23.50W
DVD-ROM 1 19.20W
CD-RW 1 15.60W
IEEE 1394 1 8.00W
USB Devices 2 5.00W
PCI Sound 1 4.15W
Floppy 1 4.00W
PCI-LAN 1 3.32W
System Fan 1 3.00W
Processor Fan 1 3.00W
PCI Modem 1 2.50W
Keyboard 1 1.25W
Mouse 0.25 A 1 1.25
Total Power Required 355.45 W
Olaf
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