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Is this a bad idea?

spixelspixel

spixelspixel

spixelspixel

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Joined
10 Jan 2012
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2,375
GTX Titan powered by a Be Quiet E9 400w power supply.

It has the appropriate connectors (1 x 6pin and 1 x 6+2 pin)

With this power supply, a 2500k and gtx 670 at full load was drawing 230w max (200w real usage with 90 percent efficiency). Should be enough for a titan, no? Some reviews show it only using 70w more than a 670.
 
LOL, is this a joke? April the 1st isn't until Monday ;) Why would you even consider scrimping on the PSU when you're splashing out £900 on a video card :confused:
 
Why would a psu come with 6 pin and 8 pin if it can't power a card that requires those? :)

Whats the min wattage you'd recommend?

coupe69 said:
LOL, is this a joke? April the 1st isn't until Monday ;) Why would you even consider scrimping on the PSU when you're splashing out £900 on a video card :confused:
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Because I already have it and its a high quality psu. If a titan only uses 70w more than a 670 it should be drawing a max of around 300w from the wall which leaves 100w+ of room.
 
spixelspixel said:
Why would a psu come with 6 pin and 8 pin if it can't power a card that requires those? :)

Whats the min wattage you'd recommend?
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nvidia recommend; GeForce GTX TITAN - 38A and a 600W PSU minimum

now granted there will be some wriggle room in there for overclocking etc., but personally I would not recommend less than a 500w at the very minimum
 
coupe69 said:
Why would you even consider scrimping on the PSU when you're splashing out £900 on a video card :confused:
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+1

Stock Titan:

244c2baab1961243fca5e6a750785d64.jpg
 
Your PSU can actually deliver above its rated wattage from the reviews I've quickly scanned over. Remember though power supplies degrade over time and if you're running it near its max output the efficiency will be crap.
 
Just filled in my system on the psu calculator with the titan and I got

Minimum PSU Wattage: 324 W
Recommended
PSU Wattage: * 374

I think I'll try it. What's the worst that could happen? :D
 
Not sure why people are saying don't scrimp on the PSU. The E9 AFAIK is a high quality piece of kit, much better than any Corsair CX PSU. Provided it can supply the correct amount of amps on the 12V rail (check reviews) then I cant see any problem.
 
Its a bad idea to get close to your psus max rating or above it too often as it degrades them quickly. i wouldnt risk it personally but your choice.
 
So let me get this straight, the OP has a £1000 video card and wants to use it with a low power cheapy PSU :o

This surely has to be a wind up :confused:

Never ever skimp on the PSU, it's the most important part of your PC, especially if you have 1K worth of GPU :rolleyes:
 
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MrMarvelous said:
OP seems adamant that his 400w PSU will suffice even though there's plenty of evidence and opinions that it probably won't yet still thinks that he knows best? :confused:
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I don't see any evidence that it wouldn't suffice tbh. With a titan I'd see my complete pc pulling a max of 300w.

@IvanDobskey I'ts not a cheap psu, probably the highest quality 400w you can get. If I'm wasting 780 pounds on a graphics card I don't want to waste more on another psu if its not needed :-) It might be pushing it a bit close but I really don't think there would be any issue with it. The psu is hardly going to blow up by running it at 75 percent load when it can easily handle over 400w.
 
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