are there any video cards that do not require an extra power supply, like 200 or 250 watts?

Answer 1

If you mean are there any video cards that will work with a 200W or 250W power supply, you may be out of luck. I can't vouch for them but the Geforce FX5200 to 6200 series may not require that. Other than that you're pretty much SOL. 250W is pretty low for a power supply...

Now if you meant requiring an extra power supply in addition to what you have... it depends on what you have and frankly I've never heard of a computer with two power supplies, except for servers or those that need backups.

If you want any modern video card including anything in the Radeon X1K series or Geforce 6 or 7 series then you are going to want at least 450W, more if you want a dual video card solution. I'd just invest in a new power supply... or an entirely new system, 250W power supplies were common what... 4ish years ago... that's pushing the age limit on your computer right there.

Answer 2

Most likely if your computer only has a 250 watt power supply, then the motherboard won't have a slot for a new video card anyway.

If you mean the video card itself would be pulling 200-250 watts, then thats not really possible, unless you were running multiple video cards at the same time.

Answer 3

if you have dirt with a pci, agp, or pcie compatibility that might work. Well, it wouldn't be that bad, but I would recommend a geforce 6 series card. Check around the web, like newegg or the manufacturer sight for recommended power supplies.