TV tuner how much power

[mobius0]

Recently bought a hauppauge pvr 150 mce which is yet to arrive. How much power do I need for it? My psu right now is a weak 250 watts from dell so I think my pc is already underpowered. I'm thinking of picking this up http://www.newegg.com/Product/Product.asp?Item=N82E16817153023 according to a site reviewing this its rated at 388 Watts. Is that enough for my system which includes:
2.4b ghz pentium 4
dell motherboard (not sure of the exact details but its about 3 years old and is listed to support the 865PE chipset)
2x512 OCZ ddr ram 2x256 kingston ddr ram
24 bit soundblaster live
a 56k modem card (don't use as i have cable)
a dvd burner drive and a cdrw drive
floppy disk drive
a 160 gig hard drive and a 30 gig hard drive
nvidia 6800LE vid card
keyboard and optical mouse
soon to be hauppauge pvr 150 mce non-fm

 

[mobius0]

Anyone? Sorry for bumping it so early but it got off the front page so quickly that not many people saw it.

 

[imported_Tick]

I believe most TV tuners use about 20 watts.

 

[Lord Evermore]

Even though it's a Dell and the power supply isn't extremely high power, they're usually a good quality 250W so they can really supply quality power and close to the full rating. A TV tuner probably isn't going to put you over your power budget. 12V power tends to be the rail which is most limited in Amperage. PCI cards use 3.3 or 5V, which is usually given oodles of power.

You can probably look at the side of the power supply (though you may need to take it out of the case depending on where they put the sticker) and read off the exact numbers it supplies to each rail.

Check the size and shape of your current power supply before you get a new one, to make sure Dell didn't stick a slightly non-standard design into your system. Most towers do have normal ones, but they also often change the pin-out of the ATX power connector so that only their mainboards will work with only their power supplies.

 

[mobius0]

Yea the Dell one is pretty good and I've been told any standard psu should work in my dimension 4600. Do you think it would blow out my dell psu if I added the tuner b4 upgrading the psu? Cause my graphics card is the big leadtek one with a minimum requirement of 300 watt psu so i'm assuming it prob takes a lot since its a pretty big card. Add that with everything else and I think I'm already pushing the dell one.

 

[Bobthelost]

The 6800 was a power hungry line alright, but as LE says it's on a different rail to the 6800. You should be ok.

 

[mobius0]

er.. well i've opened all 16 pixel pipes and 6 vertex pipes if that makes a difference..