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should I worry about my PSU

post #1 of 20
Thread Starter 
Have a cheap coolmax 600watt that I yanked from another plain PC. Bought the PSU about 5months ago for it. Should I worry about dropping it in the rig I have in my sig? Its a mITX form factor and only 1 x16 slot that has a MSI 6950 2gb in it. I just got the vid card last night and started using this supply as I changed the case to a silverstone.


I just blew my budget last night getting this vid card, thinking the PSU would work fine.
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post #2 of 20
It should be fine. AMD recommends a 500W to power a system with a single 6950 in it:

http://www.amd.com/us/products/deskt...verview.aspx#3

However, don't overclock with lower quality PSUs like this one.
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post #3 of 20
I think that should be good enough.
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post #4 of 20
Quote:
Originally Posted by jsigone View Post
Have a cheap coolmax 600watt that I yanked from another plain PC. Bought the PSU about 5months ago for it. Should I worry about dropping it in the rig I have in my sig? Its a mITX form factor and only 1 x16 slot that has a MSI 6950 2gb in it. I just got the vid card last night and started using this supply as I changed the case to a silverstone.


I just blew my budget last night getting this vid card, thinking the PSU would work fine.

Which version are you talking about here?

  • CoolMax VL-600B 2 x 12v @ 18A (216w) + 1 x 12v @ 15A (180w)
  • CoolMax CXI 600w 2 x 12v @ 19A (228w)


According to the specifications I found on-line, the Radeon HD 6950 2Gb runs between 20w (idle) to 202w (maximum) and thus you'll have minimal headroom (for overclocking) if any with the CoolMax 600w for this card, be careful if you've actually got the VL-600B not to use 12v+ (rail 3) 15A just wont cut it causing your PSU to shut off...
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post #5 of 20
Thread Starter 
its a V-600

as listed on the box
+5v =24A
+3.3v =24A
+12v1 =18A
+12v2 =18A
+12v3 =15A
-12v =.5A
+5vsb =2.5A
+3.3v + +5v = 160W
+12v total = 450w

This only had one 6pin pcie connector, used the Y cables that came w/ the card and pulled the 12v from each perf line to share the load.

I won't overclock til i get another one, but this has to do for a week or so.
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post #6 of 20
Quote:
Originally Posted by ()ut[@st View Post
Which version are you talking about here?

  • CoolMax VL-600B 2 x 12v @ 18A (216w) + 1 x 12v @ 15A (180w)
  • CoolMax CXI 600w 2 x 12v @ 19A (228w)


According to the specifications I found on-line, the Radeon HD 6950 2Gb runs between 20w (idle) to 202w (maximum) and thus you'll have minimal headroom (for overclocking) if any with the CoolMax 600w for this card, be careful if you've actually got the VL-600B not to use 12v+ (rail 3) 15A just wont cut it causing your PSU to shut off...
The VL-600B has a +12V capacity of 450W (37.5A):





The CXI-600B has a +12V capacity of 420W (35A):


(Newegg didn't have a zoomable image)

Both of them have enough power, but the problem is that they don't handle overclocking nearly as well as something like Corsair's TX or HX series (or Antec's TruePower New series).



P.S. I feel horrible for what I said to you the other day as well as the way I said it. I should not have logged into OCN because I was going through an extremely rough time due to dealing with a major plumbing problem. I was extremely tired and really pissed off all day. May I have your forgiveness?


Quote:
Originally Posted by jsigone View Post
its a V-600

as listed on the box
+5v =24A
+3.3v =24A
+12v1 =18A
+12v2 =18A
+12v3 =15A
-12v =.5A
+5vsb =2.5A
+3.3v + +5v = 160W
+12v total = 450w

This only had one 6pin pcie connector, used the Y cables that came w/ the card and pulled the 12v from each perf line to share the load.

I won't overclock til i get another one, but this has to do for a week or so.
Oh, then you're absolutely fine! I mean, there's definitely enough power, but of course I still wouldn't trust this to deliver clean and stable power for overclocking.
Edited by TwoCables - 3/24/11 at 8:57am
It's a computer!
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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It's a computer!
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CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #7 of 20
Thread Starter 
finally was able to try the card out on bad company 2 last night, I used GPU-Z to log data while playing. the 12v dipped down to 11.92v under full load (stock). 1% power drop isn't bad IMO. Everything was on high and 1920x1080.
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simple stuff
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CPUMotherboardGraphicsRAM
Intel SB 2500k @ 4.5GHz MSI P67A-GD55 MSI TFII 6950 2GB @945/1415 2x4GB DDR3 1333MHz 
Hard DriveOSMonitorPower
Seagate 1tb Windows 7 64bit Viewsonic VX2450 LED Corsair GS600 
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CM HAF 922 
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post #8 of 20
11.92V is perfectly fine. Regardless, you cannot ever trust software-based voltage monitoring. GPU-Z could be telling you your +12V is at 3V, obviously your computer wouldn't be running at all if that were truly the case, but it's pretty common for software to return completely grotesque voltage readings.
I also wouldn't believe anything the sticker says on a Coolmax unit. I'd be particularly concerned about ripple since that's the one performance marker of a PSU which you can't measure without an expensive oscilloscope. That's great if it's working, but who knows what damage you're causing your components.
post #9 of 20
Quote:
Originally Posted by jsigone View Post
finally was able to try the card out on bad company 2 last night, I used GPU-Z to log data while playing. the 12v dipped down to 11.92v under full load (stock). 1% power drop isn't bad IMO. Everything was on high and 1920x1080.
11.92v is absolutely fine under load - my OCZ 600W stealthxstream 12v rail dipped down to 11.5v and spiked to 15v...great psu that was
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space heater
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Intel 2500k 4.7GHz  Asus P8P67 Pro(B3) 2 x Club3D 280X 3GB 16GB g.skill 1600MHz C9 
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Samsung 840 Pro 256GB 4 x 2TB Barracudas in RAID10 2 x WD Blue 1TB RAID0 2 x 3TB Seagate Barracuda 
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8 x 146GB HP 10k SAS - various RAID levels RAID Controller LSI 9260-8i 512MB LiteOn IHAS124 Noctua NH-D15 
OSMonitorMonitorMonitor
8.1 Enterprise Acer GD245HQ (120hz) LG W2420P LG IPS231P 
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HP ZR24w LG 32LH3000 (w/IPS) Razer Blackwidow Antec TruePower New 750W 
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Windows Hyper-V Server 2012 R2 2 x LiteION 750W 80PLUS Platinum RD650 24x2.5" chassis 
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post #10 of 20
Thread Starter 
damn!! what damage did the 15v do to the rest of the system?
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Intel SB 2500k @ 4.5GHz MSI P67A-GD55 MSI TFII 6950 2GB @945/1415 2x4GB DDR3 1333MHz 
Hard DriveOSMonitorPower
Seagate 1tb Windows 7 64bit Viewsonic VX2450 LED Corsair GS600 
Case
CM HAF 922 
  hide details  
Reply
simple stuff
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel SB 2500k @ 4.5GHz MSI P67A-GD55 MSI TFII 6950 2GB @945/1415 2x4GB DDR3 1333MHz 
Hard DriveOSMonitorPower
Seagate 1tb Windows 7 64bit Viewsonic VX2450 LED Corsair GS600 
Case
CM HAF 922 
  hide details  
Reply
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