Overclock.net › Forums › Components › Power Supplies › |Solved| Misleading PSU specs...
New Posts  All Forums:Forum Nav:

|Solved| Misleading PSU specs...

Poll Results: And the best PSU is...

Poll expired: Mar 22, 2008  
  • 14% (5)
    Corsair TX650
  • 60% (21)
    PC Power & Cooling Silencer 750
  • 20% (7)
    Other (please post about it)
  • 5% (2)
    Don't upgrade and continue to suffer!
35 Total Votes  
post #1 of 47
Thread Starter 
I've been having issues with stability for the last few weeks and the cause of the issue seems to keep changing. This points to the PSU. However, I thought how could it I'm only pulling about 300W from the wall and my PSU is 550W, right? ... wrong.

Here is a link to where I bought my PSU it has specs for the powersupply near the bottom.http://www.memoryexpress.com/Product...13739(ME).aspx

If you look closely my PSU is designed with two 12V rails supplying 20A each.
Further down the page it mentions that the total power of the 12V rails together supply 336W only with the 5V and 3.3V rails added does the PSU meet the 550W spec.

I'm pretty sure that i'm reaching that 336W limit which doesn't exist on some better quality PSU such as the Corsair TX650.
http://www.memoryexpress.com/Product...18780(ME).aspx
Which as you can see(if you follow the link) has 624W on its 12V rail.
If one was to add the 5V and the 3.3V rails the PSU would be nearing the 800W mark under the Mushkin standards.

The main point here besides the obvious Buyer alert is which PSU I should be getting to replace it. I really don't want to have to upgrade again in the nearish future (4-5 years) so I would like to know which you guys think would server better over an extended period of time.
The Eye 5
(17 items)
 
Silence
(9 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5 Z77M-D3H GTX 660 Patriot Gamer 2 Series, Division 2 Edition DDR3... 
RAMHard DriveHard DriveOptical Drive
Patriot Gamer 2 Series, Division 2 Edition DDR3... Samsung 850 EVO Western Digital Caviar Black LG Blu-ray/HD-DVD SuperDVDRW 
CoolingMonitorMonitorKeyboard
Thermalright HR-02 24" Dell U2412M 24" Samsung 2443BW LCD Logitech Illuminated 
PowerCaseMouseMouse Pad
Corsair GS600 Zalman Z9 Plus Logitech G5 Custom Cloth OCN mousepad 
Audio
Sennheiser HD600 
CPUMotherboardGraphicsRAM
Intel Atom 330 Asus AT3IONT-I DELUXE nVidia ION OCZ OCZ3P1333LV4GK 4GB DDR3 2X2GB DDR3-1333 
Hard DriveOptical DriveCoolingOS
OCZ Vertex Liteon IHOS104 4X BLU-RAY Reader Silenx iXtrema Pro Case Fan 60MM 1700RPM 14CFM ... Win7 Pro x64 
Keyboard
HP Mini Wireless Keyboard 
CPUMotherboardGraphicsRAM
PII 940 @3GHz MSI K9A2 Platinum HD3650 4x2GB GSkill 1066 (@800) 
Hard DriveHard DriveHard DriveOptical Drive
Seagate LP Western Digital Green Seagate DVD-RW 
CoolingOSPowerCase
OCZ Vendetta 2 Windows Home Server 2011 Antec CP-850 Antec P183 
  hide details  
Reply
The Eye 5
(17 items)
 
Silence
(9 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5 Z77M-D3H GTX 660 Patriot Gamer 2 Series, Division 2 Edition DDR3... 
RAMHard DriveHard DriveOptical Drive
Patriot Gamer 2 Series, Division 2 Edition DDR3... Samsung 850 EVO Western Digital Caviar Black LG Blu-ray/HD-DVD SuperDVDRW 
CoolingMonitorMonitorKeyboard
Thermalright HR-02 24" Dell U2412M 24" Samsung 2443BW LCD Logitech Illuminated 
PowerCaseMouseMouse Pad
Corsair GS600 Zalman Z9 Plus Logitech G5 Custom Cloth OCN mousepad 
Audio
Sennheiser HD600 
CPUMotherboardGraphicsRAM
Intel Atom 330 Asus AT3IONT-I DELUXE nVidia ION OCZ OCZ3P1333LV4GK 4GB DDR3 2X2GB DDR3-1333 
Hard DriveOptical DriveCoolingOS
OCZ Vertex Liteon IHOS104 4X BLU-RAY Reader Silenx iXtrema Pro Case Fan 60MM 1700RPM 14CFM ... Win7 Pro x64 
Keyboard
HP Mini Wireless Keyboard 
CPUMotherboardGraphicsRAM
PII 940 @3GHz MSI K9A2 Platinum HD3650 4x2GB GSkill 1066 (@800) 
Hard DriveHard DriveHard DriveOptical Drive
Seagate LP Western Digital Green Seagate DVD-RW 
CoolingOSPowerCase
OCZ Vendetta 2 Windows Home Server 2011 Antec CP-850 Antec P183 
  hide details  
Reply
post #2 of 47
The PC P&C is a very, very good psu, but I'm partial to Silverstone single-rail psu's. You can't really go wrong choosing between those two. Then again, you don't need a 750w psu, a good 550 would be enough.
Dark Helmet
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 @ 3.4ghz, 1.39v DFI LP UT P35-T2R XFX 6970 4gb G.Skill PC8000, 2gb G.Skill PC8500 
Hard DriveOSMonitorKeyboard
OCZ Vertex 2 60gb, WD Black 1tb, Samsung F1 1tb Windows 7 x64 Samsung 206bw Razer Tarantula 
PowerCaseMouse
Seasonic X650 Antec P182 Razer DeathAdder 
  hide details  
Reply
Dark Helmet
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 @ 3.4ghz, 1.39v DFI LP UT P35-T2R XFX 6970 4gb G.Skill PC8000, 2gb G.Skill PC8500 
Hard DriveOSMonitorKeyboard
OCZ Vertex 2 60gb, WD Black 1tb, Samsung F1 1tb Windows 7 x64 Samsung 206bw Razer Tarantula 
PowerCaseMouse
Seasonic X650 Antec P182 Razer DeathAdder 
  hide details  
Reply
post #3 of 47
Quote:
Originally Posted by tehpwnerofn00bs View Post
The PC P&C is a very, very good psu, but I'm partial to Silverstone single-rail psu's. You can't really go wrong choosing between those two.
i think we can close the thread because that is the correct answer! either the silencer 750 or a DA750 if you want modular or any of the OP's if you dont want modular
    
CPUMotherboardGraphicsRAM
i7 2600k 5000mhz(so far) ASUS MAXIMUS IV EXTREME msi 6970 and 2 6950's Mushkin Enhanced Blackline 2133mhz 
Hard DriveOptical DriveOSMonitor
Force GT(os) M4 64gb(games) f3 1tb(other) Samsung Windows 7 64bit Samsung BX2450 
KeyboardPowerCaseMouse
Black widow XFX ProSeries 1050W PSU 80+Gold  Corsair 700D Deathadder 
Mouse Pad
nope! 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
i7 2600k 5000mhz(so far) ASUS MAXIMUS IV EXTREME msi 6970 and 2 6950's Mushkin Enhanced Blackline 2133mhz 
Hard DriveOptical DriveOSMonitor
Force GT(os) M4 64gb(games) f3 1tb(other) Samsung Windows 7 64bit Samsung BX2450 
KeyboardPowerCaseMouse
Black widow XFX ProSeries 1050W PSU 80+Gold  Corsair 700D Deathadder 
Mouse Pad
nope! 
  hide details  
Reply
post #4 of 47
Quote:
Originally Posted by tehpwnerofn00bs View Post
The PC P&C is a very, very good psu, but I'm partial to Silverstone single-rail psu's. You can't really go wrong choosing between those two. Then again, you don't need a 750w psu, a good 550 would be enough.
Not much more to be said
Except the DA750 is rather quiet too
    
CPUMotherboardGraphicsRAM
X4 965 ASUS M4A79 Deluxe 9800GTx2 2x2G OCZ Reapers 
Hard DriveOptical DriveOSMonitor
500G WD Black LiteOn CD/DVD R/W Win7 64 22'' ws Acer AL2223W 
KeyboardPowerMouse
MS KU462 Natural SS DA750 MS 5 button 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
X4 965 ASUS M4A79 Deluxe 9800GTx2 2x2G OCZ Reapers 
Hard DriveOptical DriveOSMonitor
500G WD Black LiteOn CD/DVD R/W Win7 64 22'' ws Acer AL2223W 
KeyboardPowerMouse
MS KU462 Natural SS DA750 MS 5 button 
  hide details  
Reply
post #5 of 47
Quote:
Originally Posted by Sparhawk View Post
If you look closely my PSU is designed with two 12V rails supplying 20A each.
Further down the page it mentions that the total power of the 12V rails together supply 336W only with the 5V and 3.3V rails added does the PSU meet the 550W spec.
That's not misleading, that's just how it works. All PSU's are like this.

Quote:
Originally Posted by Sparhawk View Post
I'm pretty sure that i'm reaching that 336W limit which doesn't exist on some better quality PSU such as the Corsair TX650.
Actually, if you were "reaching that limit" the PSU would shut down. That's how OCP's work.

If you really suspect your PSU, you should check the voltages of the PSU while it's under load. If it's failing, the voltages could drop out of spec and cause locks, crashes, etc. But at this juncture I haven't seen enough evidence to assume that your problem is PSU related at all.
post #6 of 47
Another vote here for Silverstone. I love my single rail 54-amp PSU.
Optimus Prime
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 Gigabyte P35-DS3R eVGA 8800GTS 650/2000 2x2GB G. Skill DDR2 1000 
Hard DriveOptical DriveOSMonitor
7200.10 RAID0 (640GB) Pioneer DVD +/- RW Vista Ultimate x64 Acer 22" WS + 17" LCD 
KeyboardPowerCaseMouse
Logitech G15 Silverstone OP 650 Modified P180 for W/C Razer Death Adder 
Mouse Pad
Razer Mantis Speed 
  hide details  
Reply
Optimus Prime
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 Gigabyte P35-DS3R eVGA 8800GTS 650/2000 2x2GB G. Skill DDR2 1000 
Hard DriveOptical DriveOSMonitor
7200.10 RAID0 (640GB) Pioneer DVD +/- RW Vista Ultimate x64 Acer 22" WS + 17" LCD 
KeyboardPowerCaseMouse
Logitech G15 Silverstone OP 650 Modified P180 for W/C Razer Death Adder 
Mouse Pad
Razer Mantis Speed 
  hide details  
Reply
post #7 of 47
Thread Starter 
Quote:
Originally Posted by jonnyGURU View Post
That's not misleading, that's just how it works. All PSU's are like this.



Actually, if you were "reaching that limit" the PSU would shut down. That's how OCP's work.

If you really suspect your PSU, you should check the voltages of the PSU while it's under load. If it's failing, the voltages could drop out of spec and cause locks, crashes, etc. But at this juncture I haven't seen enough evidence to assume that your problem is PSU related at all.
How about random restarting... failing orthos blend test but not individual tests? If there was something causing this that I could fix by changing settings I would gladly do it.
The Eye 5
(17 items)
 
Silence
(9 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5 Z77M-D3H GTX 660 Patriot Gamer 2 Series, Division 2 Edition DDR3... 
RAMHard DriveHard DriveOptical Drive
Patriot Gamer 2 Series, Division 2 Edition DDR3... Samsung 850 EVO Western Digital Caviar Black LG Blu-ray/HD-DVD SuperDVDRW 
CoolingMonitorMonitorKeyboard
Thermalright HR-02 24" Dell U2412M 24" Samsung 2443BW LCD Logitech Illuminated 
PowerCaseMouseMouse Pad
Corsair GS600 Zalman Z9 Plus Logitech G5 Custom Cloth OCN mousepad 
Audio
Sennheiser HD600 
CPUMotherboardGraphicsRAM
Intel Atom 330 Asus AT3IONT-I DELUXE nVidia ION OCZ OCZ3P1333LV4GK 4GB DDR3 2X2GB DDR3-1333 
Hard DriveOptical DriveCoolingOS
OCZ Vertex Liteon IHOS104 4X BLU-RAY Reader Silenx iXtrema Pro Case Fan 60MM 1700RPM 14CFM ... Win7 Pro x64 
Keyboard
HP Mini Wireless Keyboard 
CPUMotherboardGraphicsRAM
PII 940 @3GHz MSI K9A2 Platinum HD3650 4x2GB GSkill 1066 (@800) 
Hard DriveHard DriveHard DriveOptical Drive
Seagate LP Western Digital Green Seagate DVD-RW 
CoolingOSPowerCase
OCZ Vendetta 2 Windows Home Server 2011 Antec CP-850 Antec P183 
  hide details  
Reply
The Eye 5
(17 items)
 
Silence
(9 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5 Z77M-D3H GTX 660 Patriot Gamer 2 Series, Division 2 Edition DDR3... 
RAMHard DriveHard DriveOptical Drive
Patriot Gamer 2 Series, Division 2 Edition DDR3... Samsung 850 EVO Western Digital Caviar Black LG Blu-ray/HD-DVD SuperDVDRW 
CoolingMonitorMonitorKeyboard
Thermalright HR-02 24" Dell U2412M 24" Samsung 2443BW LCD Logitech Illuminated 
PowerCaseMouseMouse Pad
Corsair GS600 Zalman Z9 Plus Logitech G5 Custom Cloth OCN mousepad 
Audio
Sennheiser HD600 
CPUMotherboardGraphicsRAM
Intel Atom 330 Asus AT3IONT-I DELUXE nVidia ION OCZ OCZ3P1333LV4GK 4GB DDR3 2X2GB DDR3-1333 
Hard DriveOptical DriveCoolingOS
OCZ Vertex Liteon IHOS104 4X BLU-RAY Reader Silenx iXtrema Pro Case Fan 60MM 1700RPM 14CFM ... Win7 Pro x64 
Keyboard
HP Mini Wireless Keyboard 
CPUMotherboardGraphicsRAM
PII 940 @3GHz MSI K9A2 Platinum HD3650 4x2GB GSkill 1066 (@800) 
Hard DriveHard DriveHard DriveOptical Drive
Seagate LP Western Digital Green Seagate DVD-RW 
CoolingOSPowerCase
OCZ Vendetta 2 Windows Home Server 2011 Antec CP-850 Antec P183 
  hide details  
Reply
post #8 of 47
Will you be going CrossFire?
GAMER
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 750 Intel DP55KG Gigabyte HD6950 2GB 880/1375 1536 shaders stock v 4 GB DDR3-1333 HyperX 
Hard DriveOptical DriveOSMonitor
1 TB Blue Ray Windows 7 HP 64 3-22" LCD's 1680x1050=5040x1050 Eyefinity 
PowerCase
Corsair HX650 CM Storm Sniper 
  hide details  
Reply
GAMER
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 750 Intel DP55KG Gigabyte HD6950 2GB 880/1375 1536 shaders stock v 4 GB DDR3-1333 HyperX 
Hard DriveOptical DriveOSMonitor
1 TB Blue Ray Windows 7 HP 64 3-22" LCD's 1680x1050=5040x1050 Eyefinity 
PowerCase
Corsair HX650 CM Storm Sniper 
  hide details  
Reply
post #9 of 47
Thread Starter 
It depends on if I need to upgrade before newer and cheaper single cards come out
The Eye 5
(17 items)
 
Silence
(9 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5 Z77M-D3H GTX 660 Patriot Gamer 2 Series, Division 2 Edition DDR3... 
RAMHard DriveHard DriveOptical Drive
Patriot Gamer 2 Series, Division 2 Edition DDR3... Samsung 850 EVO Western Digital Caviar Black LG Blu-ray/HD-DVD SuperDVDRW 
CoolingMonitorMonitorKeyboard
Thermalright HR-02 24" Dell U2412M 24" Samsung 2443BW LCD Logitech Illuminated 
PowerCaseMouseMouse Pad
Corsair GS600 Zalman Z9 Plus Logitech G5 Custom Cloth OCN mousepad 
Audio
Sennheiser HD600 
CPUMotherboardGraphicsRAM
Intel Atom 330 Asus AT3IONT-I DELUXE nVidia ION OCZ OCZ3P1333LV4GK 4GB DDR3 2X2GB DDR3-1333 
Hard DriveOptical DriveCoolingOS
OCZ Vertex Liteon IHOS104 4X BLU-RAY Reader Silenx iXtrema Pro Case Fan 60MM 1700RPM 14CFM ... Win7 Pro x64 
Keyboard
HP Mini Wireless Keyboard 
CPUMotherboardGraphicsRAM
PII 940 @3GHz MSI K9A2 Platinum HD3650 4x2GB GSkill 1066 (@800) 
Hard DriveHard DriveHard DriveOptical Drive
Seagate LP Western Digital Green Seagate DVD-RW 
CoolingOSPowerCase
OCZ Vendetta 2 Windows Home Server 2011 Antec CP-850 Antec P183 
  hide details  
Reply
The Eye 5
(17 items)
 
Silence
(9 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5 Z77M-D3H GTX 660 Patriot Gamer 2 Series, Division 2 Edition DDR3... 
RAMHard DriveHard DriveOptical Drive
Patriot Gamer 2 Series, Division 2 Edition DDR3... Samsung 850 EVO Western Digital Caviar Black LG Blu-ray/HD-DVD SuperDVDRW 
CoolingMonitorMonitorKeyboard
Thermalright HR-02 24" Dell U2412M 24" Samsung 2443BW LCD Logitech Illuminated 
PowerCaseMouseMouse Pad
Corsair GS600 Zalman Z9 Plus Logitech G5 Custom Cloth OCN mousepad 
Audio
Sennheiser HD600 
CPUMotherboardGraphicsRAM
Intel Atom 330 Asus AT3IONT-I DELUXE nVidia ION OCZ OCZ3P1333LV4GK 4GB DDR3 2X2GB DDR3-1333 
Hard DriveOptical DriveCoolingOS
OCZ Vertex Liteon IHOS104 4X BLU-RAY Reader Silenx iXtrema Pro Case Fan 60MM 1700RPM 14CFM ... Win7 Pro x64 
Keyboard
HP Mini Wireless Keyboard 
CPUMotherboardGraphicsRAM
PII 940 @3GHz MSI K9A2 Platinum HD3650 4x2GB GSkill 1066 (@800) 
Hard DriveHard DriveHard DriveOptical Drive
Seagate LP Western Digital Green Seagate DVD-RW 
CoolingOSPowerCase
OCZ Vendetta 2 Windows Home Server 2011 Antec CP-850 Antec P183 
  hide details  
Reply
post #10 of 47
Thread Starter 
Oh yeah, prices

Corsair TX650) $99.95 w/$20 MIR = $79.95
PC Power & Cooling Silencer 750) $169.95
The Eye 5
(17 items)
 
Silence
(9 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5 Z77M-D3H GTX 660 Patriot Gamer 2 Series, Division 2 Edition DDR3... 
RAMHard DriveHard DriveOptical Drive
Patriot Gamer 2 Series, Division 2 Edition DDR3... Samsung 850 EVO Western Digital Caviar Black LG Blu-ray/HD-DVD SuperDVDRW 
CoolingMonitorMonitorKeyboard
Thermalright HR-02 24" Dell U2412M 24" Samsung 2443BW LCD Logitech Illuminated 
PowerCaseMouseMouse Pad
Corsair GS600 Zalman Z9 Plus Logitech G5 Custom Cloth OCN mousepad 
Audio
Sennheiser HD600 
CPUMotherboardGraphicsRAM
Intel Atom 330 Asus AT3IONT-I DELUXE nVidia ION OCZ OCZ3P1333LV4GK 4GB DDR3 2X2GB DDR3-1333 
Hard DriveOptical DriveCoolingOS
OCZ Vertex Liteon IHOS104 4X BLU-RAY Reader Silenx iXtrema Pro Case Fan 60MM 1700RPM 14CFM ... Win7 Pro x64 
Keyboard
HP Mini Wireless Keyboard 
CPUMotherboardGraphicsRAM
PII 940 @3GHz MSI K9A2 Platinum HD3650 4x2GB GSkill 1066 (@800) 
Hard DriveHard DriveHard DriveOptical Drive
Seagate LP Western Digital Green Seagate DVD-RW 
CoolingOSPowerCase
OCZ Vendetta 2 Windows Home Server 2011 Antec CP-850 Antec P183 
  hide details  
Reply
The Eye 5
(17 items)
 
Silence
(9 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5 Z77M-D3H GTX 660 Patriot Gamer 2 Series, Division 2 Edition DDR3... 
RAMHard DriveHard DriveOptical Drive
Patriot Gamer 2 Series, Division 2 Edition DDR3... Samsung 850 EVO Western Digital Caviar Black LG Blu-ray/HD-DVD SuperDVDRW 
CoolingMonitorMonitorKeyboard
Thermalright HR-02 24" Dell U2412M 24" Samsung 2443BW LCD Logitech Illuminated 
PowerCaseMouseMouse Pad
Corsair GS600 Zalman Z9 Plus Logitech G5 Custom Cloth OCN mousepad 
Audio
Sennheiser HD600 
CPUMotherboardGraphicsRAM
Intel Atom 330 Asus AT3IONT-I DELUXE nVidia ION OCZ OCZ3P1333LV4GK 4GB DDR3 2X2GB DDR3-1333 
Hard DriveOptical DriveCoolingOS
OCZ Vertex Liteon IHOS104 4X BLU-RAY Reader Silenx iXtrema Pro Case Fan 60MM 1700RPM 14CFM ... Win7 Pro x64 
Keyboard
HP Mini Wireless Keyboard 
CPUMotherboardGraphicsRAM
PII 940 @3GHz MSI K9A2 Platinum HD3650 4x2GB GSkill 1066 (@800) 
Hard DriveHard DriveHard DriveOptical Drive
Seagate LP Western Digital Green Seagate DVD-RW 
CoolingOSPowerCase
OCZ Vendetta 2 Windows Home Server 2011 Antec CP-850 Antec P183 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Power Supplies
Overclock.net › Forums › Components › Power Supplies › |Solved| Misleading PSU specs...