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Dublin_Gunner Apr 02, 2007, 02:59pm EDT Report Abuse
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Edited: Nov 21, 2007, 08:41pm EST

Replies: 34 - Views: 14228
**updated November '07

*taken from jonnyguru's site, many thanks to him for the hard work.
http://www.jonnyguru.com/forums/showthread.php?t=103

If anyone has any questions, please go to JonnyGuru's forums linked to herein. He did the work, so he and other experienced members there can answer your questions.

Please visit his site for the most up-to-date lists.


High end PSU recommendations

Recommendations are made on a model by model or product line by product line basis since many companies make such a wide range of product, it is dificult to say things like "Seasonic makes excellent PSU's" or "Coolmax sucks."

FYI: The power supplies listed are in no particular order within each tier.

Tier 1:

PC Power and Cooling Turbo-Cool product line
Built like a server PSU, but with the home user also in mind
Zero ripple
Louder than a leaf blower
1kW is 8800GTX SLI certified
1kW is Crossfire X1900/X1950 Crossfire certified
850W is 7800 and 7900GTX SLI certified
5 year warranty

Etasis Gaming Power product line
Server grade
Fairly quiet for PSU's with 80MM fans
ET-750 and ET-850 are both 8800GTX SLI certified
3 year warranty

Silverstone Zeus and Nightjar product line
Based on Etasis units, a company known for server grade PSU's
Not very loud, even when outfitted with 80MM fans.
Often sleeved cables, etc. Geared more towards the enthusiast than other server grade PSU's.
ST85ZF is Crossfire X1900/X1950 Crossfire certified
ST75ZF is 8800GTX SLI certified
ST56ZF is 7800 and 7900GTX SLI certified
3 year warranty

Zippy GSM and PSL product line
Typically server power supplies and can be loud
PSL model has 40MM fan which has a high pitched sound when running
There is a "gaming" product line that offers all of the necessary connectors for almost any high end gaming rig, a nicer finish and has a much quieter fan than the server models.
X1900/X1950 Crossfire certified
PSL-6850P(G1) is 8800GTX SLI certified
3 year warranty

Tier 2:

Enermax Galaxy product lineLots of power
Semi-Modular
Very quiet
Very efficient
X1900/X1950 Crossfire certified
8800GTX SLI certified
3 year warranty

Enermax Infiniti product line
Semi-Modular
Very quiet
Very efficient
Crossfire X1900/X1950 Crossfire certified
8800GTX SLI certified
80 Plus certified
3 year warranty

Andyson's server line (recognized by dual 80MM fans) and high-efficiency line (recognized by single 130MM fan.)
Extremely affordable
Solid performance and quality components
High efficiency models are 84% typical and very quiet
Not commonly found in U.S. or E.U.
End user warranty unknown

Hiper Type-M 670 and 730W and Type-R 730W
Based on server grade Andyson AD-800 units
3 year warranty
Ultra X-Finity and X-Pro 800W
Based on server grade Andyson AD-800 units
3 year warranty/Lifetime with product registration

Ultra X3 800W & 1000W
Based on Andyson AD-800
Quiet and efficient
Cooled w/ 135MM fan
3 year warranty/Lifetime with product registration

Silverstone Olympia OP1000
Uses SevenTeam 1kW server platform
Very stable power
80A continuous power on a single 12V rail
Single, rear mounted 80MM fan can be loud
8800GTX SLI certified
3 year warranty

Thermaltake Toughpower 1000W & 1200W product line
Built by CWT, but without all of the Fuhjyyu capacitors
Capable of outputing nearly 100% of it's capability on the +12V rail
Very efficient
Cooled w/ 140MM fan
Modular
5 year warranty

Tier 3:

Silverstone Olympia OP650, OP750 & OP850 and Decathalon DA650, DA750 & DA850
Design by Impervio Electronics Co.
Built in Taiwan
Quiet and efficient

Antec True Power Quattro product lines
Built by Enhance
Very good voltage regulation
Very efficient at loads > 20%
Very quiet, despite the 80MM fan solution
Modular
Fully sleeved cables
HD2900 XT Crossfire certified
3 year warranty

Cooler Master Real Power Pro 1000W
Built by Enhance
Very good voltage regulation
Very efficient
Very quiet
Fully sleeved cables
8800 Ultra SLI certified
5 year warranty

Seasonic S12 and M12 product linesVery good voltage regulation
Very efficient
Very quiet
M12 series is modular
X1900/X1950 Crossfire certified
S12 650W is 7950 GX2 Quad SLI certified
3 year warranty

Corsair product line
Based on Seasonic or Channel Well platforms
Very efficient
Very quiet
All high-temp rated Japanese caps
HX620W is 7800 and 7900GTX SLI certified
5 year warranty

PC Power and Cooling Silencer product line
Based on same platform and component quality as Seasonic S/M12
750W is 7950 GX2 Quad SLI certified
3 year warranty

Coolmax Greenpower product line
Based on ATNG server platform
A little on the loud side
X1900/X1950 Crossfire certified
3 year warranty

SevenTeam SSI EPS 12V 2.91 Series and "Fanless" product lines
Strong regulation
Efficient and quiet, despite being based on a server platform
Good price, but rarely available in the U.S.
2 year warranty

MGE/XG Duro and Magnum
Based on SevenTeam's higher end units
Lifetime Warranty

Tier 4:

Enhance products up to 750W
Efficient and quiet
Very affordable
Often does not come with sleeved cables
Only 1 year warranty

Silverstone Element product line and Strider ST60F and ST75F product
Based on Enhance's higher end products
3 year warranty on PSU's > 500W. All others are only 1 year warranty

Xclio Stablepower product line
Based on Enhance's ENP 850W and 1000W products
Cooled by quieter 140MM fan (as opposed to pair of 80's)
2 year warranty

Antec Trio/NeoHE/EarthWatts product line
Built by Seasonic, but not the same build quality as above Seasonics
NeoHE is modular
Trio 650W is 7950 GX2 Quad SLI certified
NeoHE 550W is X1900/X1950 Crossfire certified
5 year warranty

FSP Epsilon product line
Compact size
Fairly efficient and quiet
Notable ripple issue
Inexpensive
X1900/X1950 Crossfire certified
700W is 7950 GX2 Quad SLI certified

OCZ GameXstrem product line
Based on FSP Epsilon mentioned above
3 year warranty
AOpen AO700-ALN
Based on FSP Epsilon mentioned above
Only 1 year warranty

Thermaltake Toughpower < 1000W product line
Built by CWT, but without all of the Fuhjyyu capacitors
550W is X1800/X850/X800 Crossfire certified
600W, 700W and 750W are X1900/X1950 Crossfire certified and 7950 GX2 Quad SLI certified
750W is modular
5 year warranty

Xclio GreatPower product line
Supposedly same construction as Toughpower (??? need confirmation)
650W, 700W and 750W is 7950 GX2 Quad SLI certified
2 year warranty

Enermax Liberty 620W
Excellent voltage regulation
Modular
Very quiet
Crossfire X1900/X1950 Crossfire certified
Only 1 year warranty
Bumped down to tier 4 due to a number of reports of failure in the line of duty

And before you nimrods start whining about why your beloved OCZ only made tier 4... this is four tiers of HIGH END products. If the product isn't even on the list, it could be that I either don't know about it or it's not considered high end. So if your PSU is actually in teir 4, grab your e-Peen and know that you at least made the worst of the best.

Of course, there's always more to be added later.....

And, before you ask, there's not enough data about the 1000W or 1010W FSP built units for me to make a judgement call so don't ask. Unlike some sites, I don't go "oh goody! Silverstone has a new PSU!!! Let's make it tier 1" without actually testing it. Sorry.

http://www.jonnyguru.com/forums/showthread.php?t=103

This thread has been locked by forum moderators and no further posts are allowed.

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Dublin_Gunner Apr 02, 2007, 03:07pm EDT Report Abuse
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>> Sub $150 units
http://www.jonnyguru.com/forums/showthread.php?t=1460

High efficiency, suitable for SLI/Crossfire:

Antec EarthWatts 500W $73.01
Seasonic OEM
Claims to have two +12V rails, but actually only has one (34A)
Suitable for SLI and Crossfire (not necessarily G80 or R600 and up)

Antec True Power Trio 550W $80.82
Seasonic OEM
Claims to have three +12V rails, but actually only has one (42A)
Suitable for SLI and Crossfire (not necessarily G80 or R600 and up)

Antec True Power Trio 650W $102.68
Seasonic OEM
Claims to have three +12V rails, but actually only has one (52A)
Suitable for SLI and Crossfire (not necessarily G80 or R600 and up)

Corsair HX520W $99.99
Modular
Seasonic OEM
Claims to have three +12V rails, but actually only has one (40A)
Suitable for SLI and Crossfire (not necessarily G80 or R600 and up)

Corsair HX620W $144.90
Modular
Seasonic OEM
Claims to have three +12V rails, but actually only has one (50A)
Suitable for SLI and Crossfire (not necessarily G80 or R600 and up)

Seasonic M12 500W $132.99
Modular
Claims to have four +12V rails, but actually only has one (38A)
Suitable for SLI and Crossfire (not necessarily G80 or R600 and up)

Seasonic S12 650W $144.99
Has four +12V rails (52A combined)
Suitable for SLI and Crossfire (not necessarily G80 or R600 and up)

Cooler Master iGreen RS-600-ASAA $94.99
Acbel Polytech OEM
Three +12V rails (38A combined)
Suitable for SLI and Crossfire (not necessarily G80 or R600 and up)

Ultra X-Pro 600W $129.99
Andyson OEM
Single +12V rail (36A)
Suitable for SLI and Crossfire (not necessarily G80 or R600 and up)

Tagan TG600-U25 $129.00
Topower OEM
Four +12V rails (48A combined)
Suitable for SLI and Crossfire (not necessarily G80 or R600 and up)

Tagan TG600-U35 $149.00
Topower OEM
Same as "U25" version, but with 135MM cooling fan
Four +12V rails (48A combined)
Suitable for SLI and Crossfire (not necessarily G80 or R600 and up)

Silverstone Olympia OP650 $127.00
Single +12V rail (54A)
Suitable for SLI and Crossfire (not necessarily G80 or R600 and up)

Silverstone Olympia OP750 $149
Single +12V rail (60A)
Suitable for SLI and Crossfire (not necessarily G80 or R600 and up)

Zalman ZM600-HP $119
FSP OEM
Four +12V rails (42A combined)
Suitable for SLI and Crossfire (not necessarily G80 or R600 and up)
High efficiency, but not recommended for higher end SLI/Crossfire due to 240VA limited rails:

Seasonic S12-600 $139.99
Supposedly has two +12V rails (18A each, 36A combined)
Suitable for ANY single video card
Not recommended for SLI until someone can confirm that the two +12V rails is actually just one.

Enhance ENP-5150GH $69.01
Has two +12V rails (18A each, 36A combined)
Suitable for ANY single video card

SilverStone Element ST50EF-Plus $80.75
Enhance OEM
Has two +12V rails (18A each, 36A combined)
Suitable for ANY single video card

Cooler Master iGreen RS-500-ASAA $79.99
Acbel Polytech OEM
Has three +12V rails (6A, 13A, 14A, 33A combined)
Suitable for ANY single video card
Suggestions welcome!

Criteria:

At least 30A on the combined +12V rail
Confirmed 80% and better efficiency

For SLI/Crossfire recommendation, needs to have at least 34A on the combined +12V rail and have either just one +12V rail or three or more

Lancool PC K62
Phenom II x3 @ 3.5Ghz
4GB DDR2-800
ASUS GTX570 DirectCU II
Adam Kolak Apr 02, 2007, 03:21pm EDT Report Abuse
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>> Re: Need Help In Choosing A PSU??? Read This
Interesting. I did not realize the OCZ GamerXStream's where based on FSP units. I was looking at the OCZ for my next build possibly. The major question is when will I build something new.

Adam Kolak
Moderator, Hardware Analysis
adam@hardwareanalysis.com
DFI LP P35-T2RS | Xeon Quad @ 3.2Ghz | 4GB DDR2-1000 | 8800GT 512MB | See Profile
Dublin_Gunner Apr 03, 2007, 04:29am EDT Report Abuse
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Edited: Apr 03, 2007, 04:31am EDT

 
>> Re: Need Help In Choosing A PSU??? Read This
Further reading:
http://www.xtremesystems.org/forums/showthread.php?t=108088
Many thanks to Perkam of Xtremesystems for the list.

This should give you a quick reference of what to buy, and what not to buy. Some more units than listed above, but most info taken from JonnyGuru.
WHICH ONES TO BUY ??

Tier 1 can handle 4Ghz Conroe or 3Ghz AMD along with Oced Quad Crossfire/SLI With Ease.
Tier Z offers quality and power unequalled in its wattage range and is second only to other Zippy units.
Tier 2 offers almost as much power and stability as Tier 1 at Comparable Wattage levels with lower price/better availability.
Tier T offers the high quality components of Tier 2 with slightly less Rail stability due to Topower internals.
Tier 3 is ONLY Recommended if Price difference is present between Tier 3 and Tier 2 or due to availability issues with Tier 1/2 PSUs.
Tier 4 is recommended for stock or low power systems if Tier 3's are more expensive or are not available.
Tier 5 are NOT RECOMMENDED, but some brands have high/medium quality components in Tiers 2 through 4.

-----x-----x-----x-----x-----x-----x-----x-----

Tier 1 Brands - The Most Powerful And Stable Components On The Market
Enermax Galaxy
PCP&C TurboCool
PCP&C Silencer >610
Zippy/Emacs SSL
Zippy/Emacs GSM
Zippy/Emacs PSL
Silverstone ZF (Etasis 85/75/56)
Seventeam ST >600 (SSI, V2.91)
Silverstone OP/DA >700W

Tier Z - Less Powerful Than Tier 1 Zippy Units...but they're still Zippys
Zippy/Emacs HG2
Zippy/Emacs HP2

Tier 2 Brands - Top Quality components With Top Notch Stability - For Those With Price/Availability Issues With Tier 1
Antec Neo HE
Akasa PowerGreen 80+
CoolMax CTG-750W/850W/1KW
Cooltek CT
Corsair HX
Enermax Liberty
Enermax Infiniti
Enhance ENP-GH
Fortron (FSP) GLN
Hiper Type-M >650W
Hiper Type-R >650W
iStarUSA PD2
iStarUSA PD3
OCZ GameXStream
OCZ EvoStream
PCP&C Silencer <610
Seasonic S12
Seasonic M12
Seasonic Energy Plus
SevenTeam ST <600
Silverstone EF
Silverstone OP/DA <700W
Supermicro/AbleCom
Thermaltake Toughpower >600W
Xclio GreatPower
Zalman ZM
Ultra X3
Ultra X-Pro

Tier T - High Quality PSUs Made With Topower Internals - Less Rail Stability Compared To Tier 2 But Still Better than Tier 3
Mushkin Enhanced
Tagan U95
Tagan U25
Tagan U15
Tagan U22
OCZ PowerStream

Tier 3 Brands - High Quality and Stability, Second Only To Tier 2 Brands
Acbel Polycom
AMS Mercury
Akasa PaxPower
Akasa PowerPlus (>500W Models)
Antec Phantom
Antec TruePower III
Antec True Power II
Antec True Control II
Antec Neopower 480W (Old Model)
Antec Smart Power 2.0
Athena Power Space Shuttle Series
Be Quiet Dark Power Pro
Channel Well
Enermax Maximum Plus
Enermax Noistaker II
Enermax Noisetaker
Enermax Whisper II
Enermax CoolerGiant
Enhance ENS-G
Epower Xscale
Fortron (FSP) GLC
Fortron (FSP) THN
Fortron AX
Fortron HLN
Fortron PFN/PN/PA
Seasonic Super Versatile
Silverstone F
Sparkle FSP
Spire Rocketeer V/VI
Sunbeam Nuuo
Thermaltake Purepower
Thermaltake Toughpower <600W

Tier 4 - Not Recommend With Tier 3 In same Price/Wattage Range
Aerocool
Asus Atlas
BFG
Coolermaster Real Power
Coolermaster iGreen
Delta
Enlight
E-Power
Futurepower
Hiper
HIPRO
Lite-On
Masscool
MGE XG
Mushkin HP
NorthQ 4775-500S/BU
OCZ Modstream
Scythe Kamariki
Sintek
Thermaltake TR2
TTGI/Superflower
Ultra Xfinity/X2

Tier 5 - Other than the units listed above for any of these brands, NOT RECOMMENDED
A-TOP Technology
APEX (SUPERCASE/ALLIED)
Aspire(Turbo Case)
ATADC
Athena Power
ATRIX
Broadway Com Corp
Cooler Master
Coolmax
Deer
Diablotek
Dynapower USA
EagleTech
FOXCONN
I-Star Computer Co. Ltd
In Win
JPAC COMPUTER
Just PC
Kingwin Inc.
Linkworld Electronics
Logisys Computer
MGE
MSI
NMEDIAPC
Norwood Micro/ CompUSA
NorthQ
NZXT
Powmax
Q-Tec
Raidmax
Rosewill
SFC
Shuttle
Skyhawk
Spire Coolers
Star Micro
STARTECH
TOPOWER TOP
Ultra X-Connect
Wintech
XClio
XION
YoungYear
Zebronics

-----x-----x-----x-----x-----x-----x-----x-----

Lancool PC K62
Phenom II x3 @ 3.5Ghz
4GB DDR2-800
ASUS GTX570 DirectCU II
Adam Kolak Apr 03, 2007, 06:09pm EDT Report Abuse
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Edited: Apr 03, 2007, 06:12pm EDT

 
>> Re: Need Help In Choosing A PSU??? Read This
My brother had a Antec Smart Power 2.0 500W, that PSU is pure crap, it doesn't even deserve to be "Tier 3". Failed after less than 6 months of normal use in a cool and clean environment. And he's not alone. Many people have had SP-500s die out really fast with no signs before they died.

Now he has a Cooler Master eXtreme Power 600W. Seems to do the job well. Where would this PSU fall on the list?

Btw, I have a Rosewill 500W PSU, with glitzy blue LED fans and crap. Has worked fine for nearly 2 years powering my overclocked system. Sure I don't push it that hard with my quite old PC, but it does its job and I think it was well worth the $50. It even powered up my brother's DFI NF4 Lanparty Ultra-D. And that mobo is supposed to be very picky. Now, I would never buy another Rosewill PSU, but this one has well exceded my expectations. And for anyone looking for a $30 to $40 PSU for an old or lowend system I would tell them to consider a Rosewill. But any gaming system I can't recommend it. And it sure ain't quiet either. But I wasn't expecting much from it and it has delivered just fine.

Adam Kolak
Moderator, Hardware Analysis
adam@hardwareanalysis.com
DFI LP P35-T2RS | Xeon Quad @ 3.2Ghz | 4GB DDR2-1000 | 8800GT 512MB | See Profile
mothow Apr 03, 2007, 06:14pm EDT Report Abuse
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Edited: Apr 03, 2007, 06:16pm EDT

 
>> Re: Need Help In Choosing A PSU??? Read This
Why are we nimRod's...lmao. You Pecker wood j/k

By the way nice post

ASRock Z97 Extreme 4 / i7 4790K / Corsair H80i / 4x4GB Crucial Ballistix Smart Tracer DDR3 1600 / 1TB Western Digital Caviar Black / 240GB Mushkin Chronos Deluxe SSD / 2x Evga GTX 670 FTW 2GB in SLI / Sound Blaster Recon3D Fatal1ty / Corsair HX1000w
Beavis Khan Apr 04, 2007, 12:14pm EDT Report Abuse
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>> Re: Need Help In Choosing A PSU??? Read This
Adam K. said:
My brother had a Antec Smart Power 2.0 500W, that PSU is pure crap, it doesn't even deserve to be "Tier 3".


I'd extend this "endorsement" to the whole Smartpower 2.0 line, based on my experience with two faulty (and one borderline faulty) 450W units as well as reports on other models. There's something wrong with these PSUs, plain and simple. Spend a couple bucks more and get something better.

Regarding the PCP&C Turbo-Cool units, I will affirm that yes, these suckers are loud as leafblowers. If you don't mind the sound of an 80mm fan running at full speed, all the time, the Turbo Cool might be for you; otherwise, keep looking. I had two of these running in my office and they eventually made me so crazy that I replaced them both with Seasonic S12 650W units. The voltage regulation is not as tight, and the warranty not as long, but they are damned quiet.

____
"For every complex problem, there is a solution that is simple, neat, and wrong."

- H.L. Mencken
Adam Kolak Apr 04, 2007, 09:34pm EDT Report Abuse
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>> Re: Need Help In Choosing A PSU??? Read This
I agree, the Antec Smart Power series is completely useless junk. I would never buy another Antec just because of this. I know other Antec's may be more reliable. But with all the stuff I have read about Antec PSUs in the last few years I have reason to doubt thier concern over quality in thier products.

Adam Kolak
Moderator, Hardware Analysis
adam@hardwareanalysis.com
DFI LP P35-T2RS | Xeon Quad @ 3.2Ghz | 4GB DDR2-1000 | 8800GT 512MB | See Profile
Greg M Apr 05, 2007, 02:38am EDT Report Abuse
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>> Re: Need Help In Choosing A PSU??? Read This
Glad my Antec 550 Watt is a TruePower(1). Been good to me. My Enermax 535 watt has been good as well.

I have had at least 4 no-name PSUs die on me. Had an aspire PSU that came with a case... gave 3.8 on the 3.3, 4.7 on the 5v, and 11.2 on the 12v... what a pile of crap.

----
FX-55, 2x 1GB GSkill, X1800XT (512MB), 2x250GB RAID-0, DFI SLI-D
http://www.gandmpc.com <-My 'project'
http://www.knownpsycho.com <-Web games!
Shadow_Ops_Airman1 Apr 05, 2007, 03:23am EDT Report Abuse
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>> Re: Need Help In Choosing A PSU??? Read This
Gunner, I have a Neo HE 500, Runs this X1950 Pro Great.

AMD Athlon XP-M 2500+ (133x14= 1867MHz) (209x11= 2299MHz)
DFI LP NF2 Ultra-B (Hellfire 3EG Rev2)
Antec SX800, Neo HE 500, 4 Antec 8CM Fans
Thermalright SI-97 1 Antec Tricool 12CM Fan
CL SB XFi Xtreme Music
2x Barracuda HDs (250/400)
2x Samsung Write
SuPeR Xp Apr 05, 2007, 04:27am EDT Report Abuse
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>> Re: Need Help In Choosing A PSU??? Read This
Both of these companies power supplied can handle an earth quake. I would rate these two very high. My OCZ 500W ran my 900GPH water pump along with everything else I had on my system, and yet there was much more I would have added. Just my two cents.

OCZ GameXstrem
Thermaltake Toughpower

-------------------------------------------------
Custom AMD HAF 932 Red Dragon GAMING MOD!!!
http://www.techpowerup.com/gallery/2442.html
Dublin_Gunner Apr 05, 2007, 05:26am EDT Report Abuse
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>> Re: Need Help In Choosing A PSU??? Read This
EiD_Sir_Airman01 said:
Gunner, I have a Neo HE 500, Runs this X1950 Pro Great.



Its in Tier 2 (on the second list), so I'm not surprised.

Lancool PC K62
Phenom II x3 @ 3.5Ghz
4GB DDR2-800
ASUS GTX570 DirectCU II
Adam Kolak Apr 05, 2007, 05:28pm EDT Report Abuse
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>> Re: Need Help In Choosing A PSU??? Read This
I have had at least 4 no-name PSUs die on me. Had an aspire PSU that came with a case... gave 3.8 on the 3.3, 4.7 on the 5v, and 11.2 on the 12v... what a pile of crap.

Yeah, the PSU that came in my Aspire X-Dreamer II case is junk too. And it is claimed to be "420W", but I have not dared yet hooked it up to any hardware. The thing weighs about as much as 10 paper clips.

Adam Kolak
Moderator, Hardware Analysis
adam@hardwareanalysis.com
DFI LP P35-T2RS | Xeon Quad @ 3.2Ghz | 4GB DDR2-1000 | 8800GT 512MB | See Profile
Greg M Apr 05, 2007, 08:18pm EDT Report Abuse
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>> Re: Need Help In Choosing A PSU??? Read This
I had a 450 watt aspire that came with my gaming rig... Wasn't too bad. Powered an FX-55, 2 HHDs, cold cathode light, 6 lighted fans, 2 optical drives, Audigy2, and a 6800GT. Worked fine (kept quite reasonable voltages) until I tried SLI (wouldn't boot)... got my Antec to go SLI.

----
FX-55, 2x 1GB GSkill, X1800XT (512MB), 2x250GB RAID-0, DFI SLI-D
http://www.gandmpc.com <-My 'project'
http://www.knownpsycho.com <-Web games!
Kash Apr 08, 2007, 12:16pm EDT Report Abuse
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>> Re: Need Help In Choosing A PSU??? Read This
How do you guys know how to rank all these different brands? Is there a website that did reviews? I own a new Coolmax PSU (CP-500T) that's also RoHS compliant, and when my computer became unstable, I immediately associated it to the PSU. My computer would randomly restart, Mozilla Firefox was constantly getting errors, etc. I manually checked the voltage (BIOS PC Health was reading 11.71V) and it was a stable 11.96V from start (Boot) to finish (loading to Desktop). It's a fairly stable PSU (I've yet to check it while gaming), but I'm interested to hear how you guys know how to rank all of these PSUs, and what tests you're using to base your ranking off of.

Sincerely,
Kash

AMD AM2 3600+ Brisbane (65nm), DFI Infinity UltraII-M2, 1GB Wintec AMPO DDR2-800 @ 667, Sapphire X1950 Pro, 250GB WD SATA II, 500W Coolmax PSU, Logitech MX500, Gateway PS/2 keyboard (circa 1999)
Shadow_Ops_Airman1 Apr 08, 2007, 12:43pm EDT Report Abuse
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>> Re: Need Help In Choosing A PSU??? Read This
its funny on mine, ya its tier 2 but one thing for sure, i couldnt beat the 90 dollar price tag. on a quality PSU, unless if i bought 2 quality 300 watt PSUs.

AMD Athlon XP-M 2500+ (133x14= 1867MHz) (209x11= 2299MHz)
DFI LP NF2 Ultra-B (Hellfire 3EG Rev2)
Antec SX800, Neo HE 500, 4 Antec 8CM Fans
Thermalright SI-97 1 Antec Tricool 12CM Fan
CL SB XFi Xtreme Music
2x Barracuda HDs (250/400)
2x Samsung Write
Dublin_Gunner Apr 08, 2007, 12:48pm EDT Report Abuse
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>> Re: Need Help In Choosing A PSU??? Read This
Kash said:
How do you guys know how to rank all these different brands? Is there a website that did reviews? I own a new Coolmax PSU (CP-500T) that's also RoHS compliant, and when my computer became unstable, I immediately associated it to the PSU. My computer would randomly restart, Mozilla Firefox was constantly getting errors, etc. I manually checked the voltage (BIOS PC Health was reading 11.71V) and it was a stable 11.96V from start (Boot) to finish (loading to Desktop). It's a fairly stable PSU (I've yet to check it while gaming), but I'm interested to hear how you guys know how to rank all of these PSUs, and what tests you're using to base your ranking off of.



If you read my posts, you will see that I aqcuireed the info from a couple of reputable sources.

Johnnyguru for one, has actually tested all of the PSU's he ranks, and states he would never put a PSU int the list that he has not tested himself.

The other list is from XS, with a lot of the data coming from Johnnyguru.

The lists are current, and up to date. Trust me, if you follow those litsts, you wont go far wrong.

BTW, Coolmax PSU's (apart from the higher end models, 750w+) are actually in tier 5, and not recommended.

ANy further query's towards the lists, or PSU questions should be given to the author sites of the lists I've given.

I take no credit for any of the work gone into any of those lists, and I encourage anyone to regisiter on the respective fora and ask the questions there. They are after all, the guys who know what they're talking about!

Lancool PC K62
Phenom II x3 @ 3.5Ghz
4GB DDR2-800
ASUS GTX570 DirectCU II
scott billson Apr 23, 2007, 05:07am EDT Report Abuse
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>> Re: Need Help In Choosing A PSU??? Read This
Hi all just developing a new web site http://www.whatpowersupply.com would welcom any feedback any one has, if you have any question just post these and we will try to help.:)

Apr 26, 2007, 01:53am EDT Report Abuse
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>> Re: Need Help In Choosing A PSU??? Read This
Regarding modular PSUs, I remember hearing about PC P&C stating that a modular plug generates resistance roughly equivalent to 2' of wiring. Does anybody have the link to where that was originally posted?

I've been looking at a modular PSU and all the reviews I've seen for it have the 3.3V, 5V, and 12V all very tight.

Shadow_Ops_Airman1 Apr 26, 2007, 03:58am EDT Report Abuse
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>> Re: Need Help In Choosing A PSU??? Read This
eh they are just trying to blow smoke up your ass. next thing you know it, they want you to solder the ATX contacts to the motherboard to reduce Resistance

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Apr 26, 2007, 04:36am EDT Report Abuse
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>> Re: Need Help In Choosing A PSU??? Read This
Haha that's kinda what I figured. I'm sure there is some resistance generated though.

This is the PSU I've been looking at:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817256017

All the reviews I've seen say it's a gem. :)


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