How many watts do I need to run a AMD 6400 x2?

Question

I'm thinking of buying one and i want to make sure it will work with my PSU.

Answer 1

100 watts Will run the 6400X2 but what about the rest of your system?

Video card/cards?
HDD's?
DVD Rom drives?
Other perpetuals?

600-650 watts and your covered....good power supplies mean better performance.

Answer 2

See below link, VERY handy for working out exactly what PSU you will need. I recommend adding 10 or 20% for future upgrades / aging of hardware.

Answer 3

Hi. If all you want to use is the CPU then OK, but most PCs have other things to run as well. I would use no less than 500 clean watts.

Answer 4

To be fair, this is a reprint of an answer I gave earlier today.
Simple answer is: You first need to look at the "Rated" Wattage/Amperage ratings on the label of the existing power supply. (You didn't even tell us what Wattage PSU you have now). Not enough information given to decide.
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Better answer:

Then it is a simple math problem: Add up all the actual Wattage(s)/Amps to a total figure (all items that are both going to be in the box-tower, and all those neat lil' USB/Firewire toys attached to that box/tower...Yes those USB/Firewire connected toys take plenty of Watt's/Amps to power up too!). Once all are added together, then you will know how big a power supply you will need minimum....Increase that # by about 25% and you won't be sorry. Example below: (not using real numbers of course, but you'll get the idea anyway).

Existing Power Supply in that tower that was on sale at Tiger Direct.com cheap: 380 Watts. (Oooop's, label actually says 300W@X.X Amps.

But, I really liked the case for $29.99 after rebate...Why, oh why, was I expecting to get a power supply and super neato cheap case for much less...to run that great budget gaming rig... than a decent 350 W power supply, or neato case should cost, as separate items?
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Power needed inside the Tower:

Mobo=
CPU(s)=
SATA HDD0=
SATA HDD1=
SATA HDD2=
SATA HDD3=
DVD Burner=
DVD Player=
PC6400 RAMX 4=
CPU Cooler=
Vid Card=
Vid Card Cooler=
120MM Case FansX2=
80MM Case FansX2=
120MM Power Supply Fan=
(Many forget that 1 above!)
Other Misc Fans=
Combo Floppy/Card Reader=
All Add-In Cards Total
(Sound Card, Modem, Network, etc.)
That neat External HD you will attach later for backups=
USB Web Camera=
USB Keyboard?=
USB Mouse?=
Non-Separately powered speakers/headphones, etc.=

Plus+All the other neat USB Printers & Toys and Powered Hubs= (You need to determine this wattage yourself, as we all attach stuff differently without even thinking how it affects those super duper newfangled parts-and our computing power- inside that box/tower/laptop!)
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Sub-Total=Approx. 750W
Add 15%~25% (for all future upgrades/brownout protection)=250W
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Real Total Needed= Actual 1000W (Wow, who woulda possibly guessed I really needed that much power!?!).

The cure (hold onto your wallet now!)....

http://www.tigerdirect.com/applications/...

Out of breath yet? But, you can still use that neato case you bought nice and cheap (give that cheapo worthless 300W power supply to the brother-in-law you don't really like that much as a Christmas gift!).
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Usual "Yahoo Answers" Questions: (Same Answer for both).

1. Arghhhhh, "My DVD Burner isn't working right! It won't read the disks. Yahoo Answers...Can someone please help me?"
Or..."My Computer is really doing weird things lately after I just upgraded my Motherboard and CPU and Vid Card and RAM and cooler, added fans, and add in cards, etc....Can anyone help me please?"

2. Hey! Will this work...Think itt'll make a great budget gaming rig......Latest Greatest Asus M3A32-MVP Deluxe WiFi-AP Motherboard - AMD 790FX, Socket AM2+, ATX, Audio, PCI Express 2.0, CrossFireX Ready, WiFi, Gigabit LAN, S/PDIF, USB 2.0, Firewire, eSATA, RAID (Set up in a RAID0 4 X 250GB SATA HDD Striped Array) Motherboard, AMD Phenom 9500 Processor HD9500WCGDBOX - 2.20GHz, 4 x 512KB Cache, 1800MHz (3600 MT/s) FSB, Agena, Quad-Core, Retail, Socket AM2, Processor with Fan-Corsair Dual Channel TWINX 2048MB PC6400 DDR2 800MHz E.P.P. Memory (2 x 1024)-Ultra / ChillTec / Socket 939/775/AM2 / Thermal Electric CPU Cooler-HIS Radeon HD 3850 Video Card - 256MB GDDR3, PCI Express 2.0, CrossFireX Ready, (Dual Link) Dual DVI, HDTV, HDMI Support, Full 1080p, Video Card-4 X Seagate Barracuda 7200.10 500GB Hard Drive - 7200, 16MB, Serial ATA-300, OEM-, and all the rest of the top line power hungry goodies? I'm buying w/ this weeks babysitting money! Cool huh?

http://www.tigerdirect.com/applications/...
http://www.tigerdirect.com/applications/...
http://www.tigerdirect.com/applications/...
http://www.tigerdirect.com/applications/...
http://www.tigerdirect.com/applications/...

(Above is not a true well configured computer, so please don't use it as 1-just for example puposes only, ok?)

Great "Yahoo Answers" answer: 2. Yes, great gaming combo, as long as you can afford it and "Provide a power supply", that will actually power that much hardware, and so much more!

1. Do you have a power supply installed that will power EVERYTHING IN AND ATTACHED TO THAT BOX?

1. Did you upgrade the power supply too when you upgraded everything else but the case?
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Good luck!

Hey Folks.....Stop & Simply, "Do The Math!" It is simple addition+ add 15%~25% for future upgrades.

Adding Hardware?...Re-Figure the TOTAL POWER needed!

Upgrading the guts?...An upgraded Power Supply is part of the guts.

Building new?...Figure it all, collect the real wattages, add them up+15%~25% more...Then add the correct Watt/Amp Rated Power Supply to your cart last!

A chart like listed above is exactly what I use when configuring a custom computer.
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And to be more fair...I just used that same free chart version and it came up w/ Recommended PSU Wattage: *555 Watt PSU needed though I used the 50% capacitor figure for age because it's running hard 24 hrs. a day for 6+ yrs..

It's a 6 yr. old unit I went fairly high w/ at the time on the PSU, upgrades & age have worn that down...But it's time I take a few things out or step up myself. It isn't my daily performance runner, but a work machine. But I sure am glad I used that chart. The +12Volt rail is still being delivered plenty of power so I'll keep it as is...But I won't add to it wattage wise without taking away something now that I know it's borderline.

I just posted this answer and strangely heard a drive spin up...realized I left the motherboard CD in my burner (was using it to access latest drivers today and was interrupted by a customer)....Do you leave CD's/DVD's in the drive and forget them...ever? That takes power too beyond wearing out your bearings.

Just went back and figured a basic fairly top end gaming rig I build w/ todays parts and it comes in at a whopping 1,052 Watts needed at 15% capacitor aging w/ todays good parts. Want to build it nice and fast...be ready to power it up also.