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Need power supply suggestion for i3 workstation

post #1 of 19
Thread Starter 
Hey guys, once I get some fundage together, i'm looking to build a cheapo workstation from some parts I have laying around.


Anyway, here is the parts i have, just need to see what PSU wattage I need

i3 ( exact one TBD )
Asus p67 sabertooth ( $200 mo bo, $100 cpu, i know, but i cant seem to sell it, so might as well use it )
4-8 gigs of undecided ram ( cheap-o )
standard dvd drive, HDD
GPU, some cheapo one, nothing fancy ( just a simple CAD machine )


Trying to keep it under $200, so not going for anything fancy, all i lack is ram, processor, gpu and PSU

just need to know what minimal wattage i need

( no OC, SLI, or crazy top end video cards, all thats in my game rig tongue.gif )
post #2 of 19
As long as your video card doesn't eat more than 200w, you can be fine with a 500w PSU. Anything made by Corsair, Antec, Seasonic or XFX is good enough.

Any PSU from this list will fit the bill just good.
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X79 The Hydra
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i865G Chronos
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CPUMotherboardGraphicsRAM
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Hard DriveOptical DriveCoolingOS
Samsung MMBRE64GHDXP-MVBD1 Samsung SH-222 Thermalright Ultima-90 Windows 98 SE 
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Windows XP Professional 32 bit Dell SP2309W Genius SlimStar 8000 Generic 500w PSU 
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post #3 of 19
Thread Starter 
you really think a 500w is not over kill?

my 750w pulls my heavily OC'd 2600k and gtx 580 just fine with room to play ( 1.35v @ 4.5 24/7 , 1.15v @ 950mhz 24/7 )
post #4 of 19
I had a Silverstone ST50F-ES 500W PSU which was able to run my sig rig 24/7 without issues for 2 weeks while i got the PSU i'm using now. I also did the same test with a Corsair CX500v2, same results.

My own rig, with all it's overclocking and overvolting pulls just a bit over 500w (according to my UPS it pulls roughly 515w on truly full load) so yea, any decent 500w might give you enough even for OCing. Hell, if you do not plan to OC at all, you could even try your luck with a 400-450w PSU.
X79 The Hydra
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i865G Chronos
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CPUMotherboardGraphicsRAM
Core 2 Extreme X6800 AsRock 775i65G R2.0 ATI Radeon X1950 XT OCZ EL DDR Gold Edition GX 
Hard DriveOptical DriveCoolingOS
Samsung MMBRE64GHDXP-MVBD1 Samsung SH-222 Thermalright Ultima-90 Windows 98 SE 
OSMonitorKeyboardPower
Windows XP Professional 32 bit Dell SP2309W Genius SlimStar 8000 Generic 500w PSU 
CaseMouseAudio
Generic Case Genius SlimStar 8000 Creative Sound Blaster Audigy 2 ZS 
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Reply
X79 The Hydra
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i865G Chronos
(15 items)
 
CPUMotherboardGraphicsRAM
Core 2 Extreme X6800 AsRock 775i65G R2.0 ATI Radeon X1950 XT OCZ EL DDR Gold Edition GX 
Hard DriveOptical DriveCoolingOS
Samsung MMBRE64GHDXP-MVBD1 Samsung SH-222 Thermalright Ultima-90 Windows 98 SE 
OSMonitorKeyboardPower
Windows XP Professional 32 bit Dell SP2309W Genius SlimStar 8000 Generic 500w PSU 
CaseMouseAudio
Generic Case Genius SlimStar 8000 Creative Sound Blaster Audigy 2 ZS 
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post #5 of 19
Quote:
Originally Posted by ClaytonGFinley View Post

you really think a 500w is not over kill?
my 750w pulls my heavily OC'd 2600k and gtx 580 just fine with room to play ( 1.35v @ 4.5 24/7 , 1.15v @ 950mhz 24/7 )

It is severe overkill smile.gif

It all depends on the VGA you pick, everything else fits inside a ~70W power envelope...
post #6 of 19
you should be fine with a 400 watts, the i3 pull less then 100 watts at stock (i think it was closer to 65-75watts) and if we assume the video card is drawing 200 watts for a mid/high end gpu at stock. thats 300 watts leaving 100 watts for the rest the system (general hdd ~6-11 watts, ssd 1watt, dvd drive 10 watts).

For most low power systems i use CX 430's since they are pretty cheap (~$16-25 after $10-30 rebate). Currently the rig my GF's built uses a z68 2500k at stock speeds with a gtx 465, 2 hdds, ssd and 16gb ddr3, its been running fine of of the cx430 smile.gif hmmm.. if you used a low-medium range card your power usage could be less then 200 watts (assuming stock) tongue.gif
Edited by DNytAftr - 2/27/12 at 4:13pm
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Intel i5 2500k Asus h67 Nvidia GTS 450 Crucial  
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post #7 of 19
Thread Starter 
thought so, i'm gonna get a basic gpu basically, something that can display text, it will work

( always cringe at fools who think you need a high end GPU for cad work, as rendering, etc is about 90% CPU work )

probably going to go to frys and find the best GPU under $50, so thats what kind of power i'm looking at.
post #8 of 19
Quote:
Originally Posted by ClaytonGFinley View Post

thought so, i'm gonna get a basic gpu basically, something that can display text, it will work

( always cringe at fools who think you need a high end GPU for cad work, as rendering, etc is about 90% CPU work )

probably going to go to frys and find the best GPU under $50, so thats what kind of power i'm looking at.

tongue.gif some of the 8000 and 9000 series can do better in cad then the newer gpus now days. From what i remember they optimised the cards back then so that it can render better, but eventually with newer cards now days they arent optimizing it for gpu acceleration, leaving room for their quadro line up

but i know a gts 450 (~$100 now) uses about ~100 -110 watts, so with a normal system that would be between 200-250 watts . a GT 440 uses about 50 watts i believe
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Hard DriveHard DriveHard DriveOptical Drive
Corsair GT Samsung 830 Western Digital Scorpio Black 750gb Panasonic Slim Blu-ray Burner 
CoolingCoolingOSMonitor
Ek Supreme HF Nickel  EK Gtx 670 Nickel Windows 8 64-Bit Dell U2412m 
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Logitech K810 Silverstone Sugo SG05-450 Logitech G700 Corsair 
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Fiio E17 Mackie MR5MK2 
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i7 920 @ 4.1 1.35v Msi Big Bang Xpower 3x EVGA GTX 470 + Evga Gtx 465 24gb Corsair XMS3 
Hard DriveOptical DriveCoolingOS
C300 64gb + Samsung F3 1TB 2x LG Blu-ray/HD-Dvd Drive Antec Kuhler 920 Windows 7 Ultimate 64-bit 
MonitorKeyboardPowerCase
Samsung 2693HM Corsair K60 Antec HCP-1200 Corsair 800D 
MouseAudio
Logitech G700 Corsair SP2200 
CPUMotherboardGraphicsRAM
Intel i5 2500k Asus h67 Nvidia GTS 450 Crucial  
Hard DriveOptical DriveCoolingOS
Western Digital  Samsung dvd-rw Intel Stock Windows 7 Ultimate 64-bit 
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Corsair CX430 InWin Allure Creative X-Fi Titanium HD 
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Mini-Box
(18 items)
 
 
Flowery Pink
(11 items)
 
CPUMotherboardGraphicsRAM
i7 3770k Asus P8Z77-i Deluxe Evga Gtx 670 SC 4gb Samsung 8gb (4gb x2) 
Hard DriveHard DriveHard DriveOptical Drive
Corsair GT Samsung 830 Western Digital Scorpio Black 750gb Panasonic Slim Blu-ray Burner 
CoolingCoolingOSMonitor
Ek Supreme HF Nickel  EK Gtx 670 Nickel Windows 8 64-Bit Dell U2412m 
KeyboardCaseMouseMouse Pad
Logitech K810 Silverstone Sugo SG05-450 Logitech G700 Corsair 
AudioAudio
Fiio E17 Mackie MR5MK2 
CPUMotherboardGraphicsRAM
i7 920 @ 4.1 1.35v Msi Big Bang Xpower 3x EVGA GTX 470 + Evga Gtx 465 24gb Corsair XMS3 
Hard DriveOptical DriveCoolingOS
C300 64gb + Samsung F3 1TB 2x LG Blu-ray/HD-Dvd Drive Antec Kuhler 920 Windows 7 Ultimate 64-bit 
MonitorKeyboardPowerCase
Samsung 2693HM Corsair K60 Antec HCP-1200 Corsair 800D 
MouseAudio
Logitech G700 Corsair SP2200 
CPUMotherboardGraphicsRAM
Intel i5 2500k Asus h67 Nvidia GTS 450 Crucial  
Hard DriveOptical DriveCoolingOS
Western Digital  Samsung dvd-rw Intel Stock Windows 7 Ultimate 64-bit 
PowerCaseAudio
Corsair CX430 InWin Allure Creative X-Fi Titanium HD 
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post #9 of 19
Quote:
Originally Posted by ClaytonGFinley View Post

thought so, i'm gonna get a basic gpu basically, something that can display text, it will work
( always cringe at fools who think you need a high end GPU for cad work, as rendering, etc is about 90% CPU work )
probably going to go to frys and find the best GPU under $50, so thats what kind of power i'm looking at.
Then you'll probably be fine with a 160/180W PICO PSU.
post #10 of 19
Thread Starter 
well, i have an older 8800(?) i think, which i would use, but my motherboard does not support PCI slots ( i don't think anyway )

and for what I do, i don't need rendering ( and if i did, i would just do it at home on my home rig )

but if the card does fit my board, i'll just use that for now, and upgrade to a 9800 and quado flash it later
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