OCZ modstream 450W or 520W

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entropy1982

Golden Member
Jul 10, 2005
1,053
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newegg has the 450W for 68 bux and the 520W for 105 bux

This will be my system (maybe a few changes):

AMD Athlon 64 3000+ Venice (overclocked)

DFI LANPARTY UT nF4 Ultra-D Socket 939 NVIDIA nForce4 Ultra ATX AMD Motherboard

OCZ 2GB (2 x 1GB) 184-Pin DDR SDRAM Unbuffered DDR 400 (PC 3200) Dual Channel Platinum System Memory

ANTEC P180 Case
2XHitachi Deskstar T7K250 250GB Serial ATA II 7200RPM Hard Drive w/8MB Buffer
nvidia 7800GTX or GT
Thermalright XP-90 CPU cooler + Panaflo 92mm fan
 
biostud

biostud

Lifer
Feb 27, 2003
19,925
7,035
136
If you plan on going SLI later get the 520, if not the 450 should easily handle that setup.
 
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CraigRT

Lifer
Jun 16, 2000
31,440
5
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I honestly think if you are willing to spend like 35 or 40 bucks more for 70 watts you have issues. Especially considering that the jump is from 450 to 520. Not like we're going from 70-140W or anything. :p

I have the 450W and it runs flawlessly for me.
 
K

KayKay

Senior member
Nov 17, 2004
690
0
0
Originally posted by: CraigRT
Originally posted by: KayKay
DFI-Street.com recommends against the 450 W Modstream, stating that 480W is minimum for any DFI NF4 board

http://www.dfi-street.com/forum/showthread.php?t=16754
Click to expand...

That is honestly such BS... any modern computer can run on 450W, within reason. (dual 7800GTX, tons of hd's, etc)
Click to expand...

The guy who works for DFI and one of the DFI engineers that posts on that forum says so
 
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CraigRT

Lifer
Jun 16, 2000
31,440
5
0
Originally posted by: KayKay
Originally posted by: CraigRT
Originally posted by: KayKay
DFI-Street.com recommends against the 450 W Modstream, stating that 480W is minimum for any DFI NF4 board

http://www.dfi-street.com/forum/showthread.php?t=16754
Click to expand...

That is honestly such BS... any modern computer can run on 450W, within reason. (dual 7800GTX, tons of hd's, etc)
Click to expand...

The guy who works for DFI and one of the DFI engineers that posts on that forum says so
Click to expand...

They're lying
it's like the 6800GT when it came out, they were saying it was required to have 450 or 480W or something, when in reality, people were running them on SFF Shuttle PC's with 240W of power without issue.

I don't care who says 480W is what you need, it's not true at all.
 
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CraigRT

Lifer
Jun 16, 2000
31,440
5
0
Originally posted by: twitchee2
i think your right
Click to expand...

I don't want to come off as a know it all, but I know I am right also :p
I presume they are just covering their asses by saying that is the requirement...
 
R

rickn

Diamond Member
Oct 15, 1999
7,064
0
0
I'd trust a modstream 450w over a thermaltake 480w anyday of the week. The thermaltake is probably more like a 400ps. Playing a numbers game is so silly
 
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twitchee2

Platinum Member
Dec 29, 2004
2,135
0
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haha i persoanally went big and got the 520 modstream just becuase thats how i am but if you you get a quality psu everything will be just fine
 
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CraigRT

Lifer
Jun 16, 2000
31,440
5
0
Originally posted by: twitchee2
haha i persoanally went big and got the 520 modstream just becuase thats how i am but if you you get a quality psu everything will be just fine
Click to expand...

yep.
case in point the shuttle SFF systems PSU's are strong enough for even a 6800GT without problems. They are 240W.
 
K

KayKay

Senior member
Nov 17, 2004
690
0
0
true for boards in general, but specifically regarding the dfi boards maybe their power consumption etc is higher than most other boards
 
T

Topweasel

Diamond Member
Oct 19, 2000
5,437
1,659
136
Watts are useless compaired to AMPs. OCZ doesn't make a dual rail PSU so you really have to pay attention to the AMPs on that single rail as it will be used by almost every device. Also keep in mind effieciency as well Toms did a review with dual cores with SLI and the systems where using 360-480 watts. at 70-80% effieciency you are actually using 280-380 Watts for the machine. So while it is rare to need over a 400 Watt PSU, You do have to pay attention to amps on that 12 volt rail. The 450 only has 26 amps on 12v while the 520 has 28. Not a big difference and your unlikely to find a setup that fits between the 2. I would actually look at the power stream the 420 has 30amps and the 520 has 33 amps.

420

520
 
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CraigRT

Lifer
Jun 16, 2000
31,440
5
0
Originally posted by: KayKay
true for boards in general, but specifically regarding the dfi boards maybe their power consumption etc is higher than most other boards
Click to expand...

maybe slightly, but if you think about it. things that consume power are the same across the board (and by that i mean in terms of other products)

the chipset, controllers, southbridge if there is one, onboard audio, ethernet. so really, they have all the same stuff every other board maker does.. I just don't see it possible (in any extent anyways)

I still believe they are just covering themselves from any trouble, and it does make sense!!
 
X

xTYBALTx

Senior member
May 10, 2005
394
0
0
Power supply wattage calculator.

High-end CPU, dual HDD's, DVD-ROM + DVD/CD-R/WR combo, 7800GTX (100W, not listed on page, but it's 100W), several case fans, using all four USB ports, blah blah blah comes out to 400W.

The computer in my sig, which is no slouch, comes out under 300W.
 
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CraigRT

Lifer
Jun 16, 2000
31,440
5
0
Originally posted by: xTYBALTx
Power supply wattage calculator.

High-end CPU, dual HDD's, DVD-ROM + DVD/CD-R/WR combo, 7800GTX (100W, not listed on page, but it's 100W), several case fans, using all four USB ports, blah blah blah comes out to 400W.

The computer in my sig, which is no slouch, comes out under 300W.
Click to expand...

Thank you very much :p
 
F

furballi

Banned
Apr 6, 2005
2,482
0
0
A fully loaded PC should not pull more than 300 watts. Add another 100 watts for a 2nd video card. 400 watts TOP! Any quality 450w PSU rated at full load up to 40C should do the job.
 
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