what psu for a8n-sli deluxe is everyone using?

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bkzshabbaz

Member
Dec 30, 2004
86
0
0
Antec True Control 550Watt, I love being able to turn the fan down when I go to sleep... I wish it was more quieter when on full speed though, my Antec 430 is silent.
 

Robor

Elite Member
Oct 9, 1999
16,979
0
76
Originally posted by: DB27
Antec Smartpower 350 watt PSU that came with my Antec BQE case. (I'm running a single 6600GT only, not SLI)

The PSU isn't 24 pin, but I simply left the 4 extra pins open and had zero problems. No converter necessary.
Is this true? You're running a 24pin board on a 20pin PS? If it works without a 24pin what's the purpose of having them and why buy a converter?

The reason I ask is I've got a 20pin PS and the A8N-SLI. I'm debating on whether I should get a new PS or a converter for my current Enermax 430W.
 

mofrack

Member
Jan 11, 2005
142
0
0
FWIW, I'm running an Enermax EG651P-VE FMA 550W PSU that has a 20-pin ATX connector on my A8N SLI board. No stability problems thus far, and I will be getting a 2nd 6600GT shortly. Will post if any stability issues arise, but this PSU has 36 amps on the 12V rail, so I dont foresee it being a problem.

So it seems as long as the wattage and amps on the appropriate rails are there, using a 20 pin PSU on this board is no biggie...
 

Robor

Elite Member
Oct 9, 1999
16,979
0
76
I went with the Thermaltake 680. I just couldn't justify another $50+ for the highly recommended PC Power & Cooling 510 SLI - especially if it's loud.

BTW - Welcome to the Anandtech Forums Uglor & mofrack! :thumbsup:
 

Insomniak

Banned
Sep 11, 2003
4,836
0
0
Enermax 460watt Whisper II. 12v@33A, 3.3 and 5v@35A. Rails are rock solid under load. Soon to see what happens during overclocking....
 

hundesau

Member
Dec 25, 2004
157
0
0
geze, why the heck u all running 500+ even 600+Watt psu`s? defenitly not necessary, u can run a sli system with 420Watt already, if its a good psu like tagan or bequiet. I personally do care for how high my elctricity bill is, thatswhy i bought AMD Winchester and not Intel and so i wont now buy a 600Watt psu that will only run at 40% usage with a resulting very bad input-output power relation. Its not cool to have 600Watt and only using 270 of them. Makes no sense and costs real cash for electricity. just needed to mention that.
 

Muhadib

Member
Jan 11, 2005
168
0
0
I've got a Fortron Blue Storm 500watt dual rail. It sits around 11.84-11.776 but when I put it on a load it sometimed dips down to 11.712. That dosen't seem like alot but... is it?
 

mofrack

Member
Jan 11, 2005
142
0
0
I also have 2 SATA drive racks that run removable HDD's, 5 fans, 3 cold cathodes, and my Koolance to worry about on top of any potential overclock and SLI, so 550 watts isnt so overkill for me.
 

mofrack

Member
Jan 11, 2005
142
0
0
Originally posted by: Muhadib
I've got a Fortron Blue Storm 500watt dual rail. It sits around 11.84-11.776 but when I put it on a load it sometimed dips down to 11.712. That dosen't seem like alot but... is it?

That dip isnt too bad, but that rail is a little low. The only way to know what your 12v rail really is, is testing it with a multimeter on one of the molex connectors... .
 

mrscintilla

Senior member
Dec 11, 2004
239
0
0
Originally posted by: Muhadib
I've got a Fortron Blue Storm 500watt dual rail. It sits around 11.84-11.776 but when I put it on a load it sometimed dips down to 11.712. That dosen't seem like alot but... is it?

It is a lot, and bluestorm uses cheap parts as one online review showed the inside of the psu.
 

mrscintilla

Senior member
Dec 11, 2004
239
0
0
Originally posted by: gobucks
if you're looking for a great sub-$100 PSU, i just got the Vantec Stealth VAN-520A PSU from newegg. It's $92 for a 520W 24-pin PSU with everything and the kitchen sink. It looks sharp, performs well, is quiet, has great cooling potential with the 3 fan design, and all sorts of connectors. I highly recommend it, but i've also heard great things about the other PSUs mentioned, so it's an issue of what brand you prefer and what your price range is. I personally think that the newegg price on the vantec is an absolute steal, considering it's $50 cheaper than most of the other ones mentioned, and is also about $60 below the vantec price from other vendors.

Whatever you do, you should probably get a 24-pin PSU. Have you noticed that PCIe boards from Intel and AMD are all starting to use 24-pin connectors? It's to add stability to the boards with the increased power draw of PCIe (much higher than an AGP/PCI combo). If you're gonna be investing in a 500+ Watt PSU, make sure it's well equipped for the future. Also, most SLI boards say that the only way you can use a 20-pin PSU is if you use something akin to EZ-Plug to add stability, and even then Asus recommends against anything higher than a 6600GT SLI setup. If you're looking into a dual 6800 setup, you NEED something better than a 20-pin PSU. Oh, and as for PCIe connectors, 6600GTs don't need them, but 6800 series cards do, so you'll need some adaptors for most PSUs. I don't know about the other PSUs mentioned, but i know the vantec has tons and tons of molex connectors, i had plenty left over after all my case fans and EZ-Plugs and what not, so if you spend a few bucks on some PCIe power adaptors, you should have adequate molex plugs to put them into.



I saw a vantec model in fry's. It's really heavy, meaning it's got quality components inside. So, I think this model is probably equally good or better.
 

user1234

Banned
Jul 11, 2004
2,428
0
0
I use the 380W Antec PSU that came with the my Sonata case for $60 (after rebate at fry's). No problems at all with the 20-pin connector, and overclocking my winchester 3000+ ($160 from monarch) to 2.4 ghz 100% stable looping prime-95 and 3dmark01. Currently running a single eVGA 6600GT ($160 from ZZF) overclocked to 580/1180, with 2x512MB PC3200 Kingston HyperX ($150 AR from fry's), and 250GB Maxtor 7200 Ultra ($70 AR from bestbuy) and of course the most expensive component, the A8N-SLI ($200 from ZZF). So for $800 total I have a computer which scores 62K in Aquamark3, and is future proof with regard to easy and cheap upgrades, like adding another video card, getting more and/or faster memory, deploying a 64-bit OS, or even a faster/dual-core cpu. It should provide cutting edge performance for years to come. Try to match that with a Dell...
 

Muhadib

Member
Jan 11, 2005
168
0
0
Originally posted by: mrscintilla
Originally posted by: Muhadib
I've got a Fortron Blue Storm 500watt dual rail. It sits around 11.84-11.776 but when I put it on a load it sometimed dips down to 11.712. That dosen't seem like alot but... is it?

It is a lot, and bluestorm uses cheap parts as one online review showed the inside of the psu.

Bummer, I guess I'll spend $140 for an OCZ 520. Unless there is a better choice.

 

sfgtwsac

Member
Nov 30, 2004
46
0
0
I have the PCP&P SLI and I don't find it to be all that loud, and it seems absolutely rock solid. The system in general pretty loud though. I count nine fans running in my box.

1. PSU
2. Processor HSF (I'm using the Zalman 7000 at full blast, but I'll probably take it down soon)
3. Chipset fan
4. 2 Video Card fans 6800GT
5. 4 80mm case fans (Coolermaster Praetorian)

I'm not really sure which is the loudest, but it does not appear to be the PSU.


 

CraigRT

Lifer
Jun 16, 2000
31,440
5
0
Originally posted by: century child
I'm also running a Neopower and I can only recommend it. Whatever you get, make sure it's modular. You will not regret it.

Does the stacker have the stupid PSU bracket like the Wavemaster does?
I am still considering a Wavemaster or Praetorian, but it has the PSU bracket which looks like it might interfere with modular PSU's..
 

Robor

Elite Member
Oct 9, 1999
16,979
0
76
Originally posted by: hundesau
geze, why the heck u all running 500+ even 600+Watt psu`s? defenitly not necessary, u can run a sli system with 420Watt already, if its a good psu like tagan or bequiet. I personally do care for how high my elctricity bill is, thatswhy i bought AMD Winchester and not Intel and so i wont now buy a 600Watt psu that will only run at 40% usage with a resulting very bad input-output power relation. Its not cool to have 600Watt and only using 270 of them. Makes no sense and costs real cash for electricity. just needed to mention that.
Overclocked CPU, overclocked 6800GT (single now - SLI later), Audigy2 ZS, DVD ROM, DVD burner, 2 SATA drives, 2 120mm fans for intake & exhaust, and floppy. Will also use an external USB or SATA drive at some point.

Now I doubt all that needs 680W but I also doubt my power supply actually puts out 680W.

 

BigGreenMat

Member
Jan 12, 2005
27
0
0
I went with the Antec Neopower because it is pretty safe, but be aware that the Neopower likes to run the 12v rail around 11.75 the good thing is that no matter how much load you throw at it the 12v rail never seems to dip. Still something to be aware of.
 

Robor

Elite Member
Oct 9, 1999
16,979
0
76
Mine just arrived today... Do *NOT* get a ThermalTake Purepower 680!

The whole purpose for buying this PS (the dual PCI-E connectors for SLI) are made of soft, cheap, plastic and don't fit my BFG 6800GT plug correctly. I had to jam it on with so much force I was worried about breaking the connector off. And yes, it is on the correct way and I tried both connectors. Neither one fit properly. It's amazing that the 4-to-6 pin adapter that came with my BFG fit perfectly but the connector on a $170 power supply from ThermalTake doesn't.

The only reason I'm not sending this POS back is the PCI-E connector was the last thing I hooked up on my system. If it was the first I would be sending it back and getting an Enermax or something else.
 

ahurtt

Diamond Member
Feb 1, 2001
4,283
0
0
Here, once and for all, this should be a good answer to this question:

http://usa.asus.com/support/do...sli_deluxe.zip~zaqwedc

That link is for the PDF manual for the A8N sli deluxe. Here is what it says on page xiii about Power Requirement in general:
ATX power supply (with 24 pin and 4-pin 12V plugs) ATX V 2.0 compliant

More specifically, here are the power consumption needs stated on page 2-25 section 8.

For a system with:
Athlon 64 FX-55 and 2x 6800 Ultra you need 500 Watt PSU with +12V > 25A
Athlon 64 3800+ and 2x 6800 GT you need 400 Watt PSU with +12V > 20A
Athlon 64 3400+ and 2x 6600 GT you need 350 Watt PSU with +12V > 17A

Based on these requirements you can plot your own specific needs. Any reputable brand PSU maker which makes a product to fit these requirements should do.
 
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