How much power does a psu need?

W

WuGgaRoO

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Currently, I have a motherboard with 10 usb ports, a built in NIC card, and a built in soundcard. (abit IT7) Anyways, i was looking foward to adding a ati 9700, but i was wondering, how many watts does my psu need to support that type of a load (i have 2 harddrive, 5400 rpm, 1 floppy, and 1 12/10/30a plexwriter)
 
it all depends on how many pci slots and other devices you plan to have in your system. but why not go for a 400+ PSU to be ready for future stuff? :D
 
here is what the average usage is.
AGP video card - 30-40W (external hookup for 9700)
PCI video card - 30W
AMD Athlon 900MHz-1.1GHz - 50W
AMD Athlon 1.2MHz-1.4GHz - 55-65W
AMD Duron 1.0MHz-1.3GHz - 50W
AMD Athlon 1.47MHz-1.73GHz - 75W
Intel Pentium III 800MHz-1.26GHz - 40W
Intel Pentium 4 1.4GHz-1.7GHz - 65W
Intel Pentium 4 1.8GHz-2.0GHz - 75W
Intel Pentium 4 2.2GHz-2.4GHz - 90W
Intel Celeron 1.0GHz-1.1GHz - 35W
Intel Celeron 1.2GHz-1.4GHz - 50W
ATX Motherboard - 35W-45W
128MB RAM - 10W
256MB RAM - 20W
24X or higher IDE CD-RW Drive - 35W
32X or higher IDE CD-ROM Drive - 25W
10x or higher IDE DVD-ROM Drive - 20W
SCSI CD-RW Drive - 17W
SCSI CD-ROM Drive - 12W
5,400RPM IDE Hard Drive - 10W
7,200RPM IDE Hard Drive - 13W
7,200RPM SCSI Hard Drive - 24W
10,000RPM SCSI Hard Drive - 30W
15,000RPM SCSI Hard Drive - 45W
Floppy Drive - 5W
Network Card - 4W
Modem - 5W
Sound Card - 5W
SCSI Controller Card - 20W
Firewire/USB Controller Card - 10W
Case Fan - 3W
CPU Fan - 3W
 
Mine's just something like 145 watt...buy a new one? (standard packardbell casing though)
 
I would suggest nothing updet 250-300 dependsing on the system. read my above post and figure out what your running with.
 
268 watt...that's maximum on the rates you gave me, so 250 watt probably should be enough i think...what would happen if i stick with this one?
 
Lol...if i had the money for it i would...must start saving then...
 
and with that average i mean if the other guy his list gave something like 35-45 watts, i took 45..the maximum and then i reached 268 at max..
 

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