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2900pro performance over 2 2600xt

Gareth.. why don't you either get a £25 thermaltake power express, or sell your PSU and get a Corsair VX550? (The VX should be more than enough for a pro). It's cheap because it's single rail, but even jonny guru commented on it should have come with dual pci-e connectors!!!

Note I said VX550 and not HX520 :)

Matthew
 
Gareth, there is a lot of "received" knowledge about. I don't know about qtec, but, I work in the electronics distribution industry. ie we supply the components to manufacturers (inc power supply manufacturers), for example we are Intel's largest customer, but you will never have heard about us. Anyway, many of the "quality" finished items you, or are commended are made with exactly the same components as the dreaded "cheapo" products. Not only do many of them use the same components, they are made by the sub-contract manufacturers in the same factories.

Many of the so-called manufacturers actually sub-contract out established lines and lose their quality control. This is especially true of some subies in the Far East who compete on the supply chain rather than manufacturing processes. Basically they all achieve similar overhead prices so have to look to make their profits by "buying smart". In the Far East this often simply comes down to price, not actual clever buying. So substitutions are made on Bills of Materials and alternatives (the cheapest components possible) creep in. No, not a bitter post from a professional point of view - we also supply the cheap components.

Not saying qtec or any other of the mentioned manufacturers here do that:)
 
Corsair PSU's are made by Seasonic, so bound to be good since Seasonic have a large reputation for top quality PSU's, and then Qtec, hundreds dieing.

Gareth, buy the PSU and not a 2900Pro then, but the 2900Pro if you must, would have got an 8800 tbh, no point buying a 2900pro at this time, but you know if the system dies whats happened.
 
gareth170 said:
maybe it is a fantastic PSU but i haven't got the money. ive only got enough for a 2900pro which took me 2months to save
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That may be... but i'd still reccommend getting another PSU... even if it's a cheaper Antec or whatever.

Alex R said:
Not saying qtec or any other of the mentioned manufacturers here do that:)
Click to expand...

I've seen the internals of a Q-tec and you can take my word for it that they share as much in common with Corsair/Seasonic as a 1980's Escort does with a modern Ferarri. :)
 
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willhub said:
Corsair PSU's are made by Seasonic, so bound to be good since Seasonic have a large reputation for top quality PSU's, and then Qtec, hundreds dieing.

Gareth, buy the PSU and not a 2900Pro then, but the 2900Pro if you must, would have got an 8800 tbh, no point buying a 2900pro at this time, but you know if the system dies whats happened.
Click to expand...
if i buy a psu now i can't buy the 2900pro till another 2-3months and they will be gone by then... i don't wanna get a 3875 or a 3870 because they are looking crap... me and nivdia don't go well together lol...
 
willhub said:
Would not run a 2900XT on that even.
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Firstly, it's a Pro that he wants to clock to an XT.

Secondly, why not?

I run my Pro @ XT fine on my Enermax Noisetaker 465W, which only has a single 12v rail with 31amps.

The Antec Basiq has dual 18amp 12v rails, which is more than enough.

Might not be the quietest or most feature laden PSU, but great on the budget gareth needs.
 
Just looked at the huntkey 550W here.

It has a combined +12V output of 33A which is enough for your system with a 2900pro. So if you really don't have the budget then go for this. It just may not have the fancy protections that a more sophisticated PSU has.

It only comes with 1 PCI-E connector so you'll still need to use a molex to 6-pin adapter which the 2900pro will include.

Here's the certified PSU list from the AMD site:

http://ati.amd.com/products/certified/powersupplies.html#pstop
 
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Personally would've waited for a good new PSU before spending a fair bit of money on an expensive card and it potentially going boom! Even the 'cheap' £50 Antec's will give you your money's worth. I had a Qtec and it was crud, never failed but the rails were unstable and it just simply wasn't pushing as much power as it said it could!
 
Gareth, if money's tight, go for a Akasa 500watt, I think they are fairly good. If you can afford it, the corsair 520watt is as good as they come in that price bracket. It powers my X1900XT X-Fire and OCed Opteron 165, 3 hdd, cold cathode multi faned rig just fine (Something which my Jeantech 700watt PSU couldn't do).

The Corsairs come with a 5 year warranty (which is very good), the HX520w comes with 40 amps on the 12v rail (and is tested for high temp work), and the other rails aren't underpowered. It will see you well for many years to come.

It really is worth the investment.

PS: It's also very quiet, even under load.

I'm sure you can find that PSU for £72 including P&P if you shop around.

PPS: How in the hell did you manage to power your rig with a Q-tec (more like Q-TAk) PSU all these years, talk about close to the wire.
 
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Ive got a special 2900XT :D, it blows up the PSU's and lives to tell the tale, a hiper 480 went boom, as did a neopower. :D Now its fallen in love with my Antec Quattro 850, they live in harmony....

Matt.
 
Gareth, the best advice I can give is don't skimp on the PSU. get a quality one. Unfortunately, with PSU's, a higher price usually means it's better. Looking at your rig, I would certainly recomment the Corsair HX520. It is within your £72 budget if you shop around.

Trust I've heard of, make nice cheap products, PSU's however...I wouldn't get from them, Sumvision I've never heard of.

Makes of PSU I have heard of Enermax, Antec, Corsair, Seasonic, Tagan, Akasa, Silverstone, etc.

For your rig, your looking at a minimum of a good quality 500watt PSU. The only way you've managed to get away with your Q-Tec PSU is either Q-Tec broke the mold when they made your particular PSU for whatever reason, or, and most likely, LUCK!!!.

If you put the HD2900Pro into your system with your current PSU, or one that isn't up to scratch, your computer won't work properly, it will become unstable, and the PSU could very well end up exploding and taking out a few components with it.
 
i was about to big up the Huntkey unit, have been reading up on them and they get a lot of good reports on them.
If you have just bought a 2900...i best get my bits on the MM :)
 
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