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Is my 750w power supply enough?

post #1 of 11
Thread Starter 
I recently built my first computer >

Intel Core i7 3930k @ 3.2ghz (turbo 3.8ghz)
Asus Sabertooth x79 motherboard
Corsair H100 liquid cooling
MSI Radeon HD 7950 graphics card
16gb Corsair vengeance memory (4x4)
Corsair 750w power supply
Lite-on Blu-ray Burner drive
DVD-reader drive
ATF media card reader
256gb SSD
1tb HDD @ 7200rpm
250gb HDD @ 7200rpm

I want to overclock my CPU to 4.5-4.8ghz, and I read that definitely increases the watt consumption by a lot. However I have yet to find any apps or programs that tell me while my PC is running how many watts I'm drawing. Will the 750w be enough for all that + an over clocked CPU? I assumed originally that if I didn't have enough watts the PC would simply shut off, but after reading a few horror stories of the PSU frying some PCs in the process, I'm a little worried I didn't get a 1000watt PSU.

Thanks!
post #2 of 11
Your 750w PSU is more than enough thumb.gif
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post #3 of 11
A quality 550w would do the job fine.

Cpu is a power hog at a 4.8GHz OC, but your GPU, even OC'd, is pretty efficient.
    
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post #4 of 11
I was running an i5-2500k @ 4.5Ghz with a 580 on a 600w crapola PSU and was just fine, well, if you consider lights flickering in your case fine then yea. My 750w Rosewill PSU has been a champ so far! Not 1 problem. Nice high 12v line!
Philaphlous
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Samsung 830 Series OCZ Vertex 4 Mushkin Enhanced Chronos Corsair H60 Modded 
OSMonitorKeyboardPower
Windows 8.1 Dual 23" Acer 1920x1080 Rosewill POS Rosewill 750W HIVE 
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Corsair R330 
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i5-560m Arrandale GeForce GT 420m 4.0GB DDR3 @ 1333MHz Intel 530 120GB SSD 
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Philaphlous
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Samsung 830 Series OCZ Vertex 4 Mushkin Enhanced Chronos Corsair H60 Modded 
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Corsair R330 
CPUGraphicsRAMHard Drive
i5-560m Arrandale GeForce GT 420m 4.0GB DDR3 @ 1333MHz Intel 530 120GB SSD 
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post #5 of 11
Well if your worried you need a 1000 watt you need at least what another 10k-70k USD in hardware? maybe 80SSD, two xeon 8 cores, tow dual GPU cards, a sound card, two blu rays drives, about 16 high cfm fans, two - four water pumps, raid card... hmm even then 750w would still be over kill.
Chris-PC
(17 items)
 
Core 2 Haf
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Acer 5920G
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CPUMotherboardGraphicsGraphics
Phenom II 1100T AsRock Extreme4 990FX HD4850 HD4850 
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MV-3V2G3D/US  MV-3V4G3D/US  Barracuda 7200.10 WD Green 
Hard DriveCoolingOSMonitor
Crucial M4 EVGA Superclock CPU Cooler Win 7 Ultimate 64bit Hanns,G Hi221 
MonitorKeyboardPowerCase
Dell E198WFP Saitek Eclipse Corsair TX850W NZXT M59 
Audio
Asus Xonar D1 
CPUMotherboardGraphicsRAM
C2Q Q9550 ASUS P5E3 Deluxe Wifi-AP GTX 480 Kingston HyperX DDR3 KHX1600C9D3K2/8G 
RAMHard DriveCoolingOS
PNY 1333 55gb, 320Gb, 500GB, 1TB Hyper 212 EVO Win 7 Ultimate 64bit 
OSOSPowerCase
Lubuntu 13.04 x64 OS X 10.8.5 TX750 Haf 912 
CPUGraphicsRAMHard Drive
T9300 GT 240M DDR2  WD10JPVT 
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Win 7 Ultimate 64bit 
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Chris-PC
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Core 2 Haf
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Acer 5920G
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CPUMotherboardGraphicsGraphics
Phenom II 1100T AsRock Extreme4 990FX HD4850 HD4850 
RAMRAMHard DriveHard Drive
MV-3V2G3D/US  MV-3V4G3D/US  Barracuda 7200.10 WD Green 
Hard DriveCoolingOSMonitor
Crucial M4 EVGA Superclock CPU Cooler Win 7 Ultimate 64bit Hanns,G Hi221 
MonitorKeyboardPowerCase
Dell E198WFP Saitek Eclipse Corsair TX850W NZXT M59 
Audio
Asus Xonar D1 
CPUMotherboardGraphicsRAM
C2Q Q9550 ASUS P5E3 Deluxe Wifi-AP GTX 480 Kingston HyperX DDR3 KHX1600C9D3K2/8G 
RAMHard DriveCoolingOS
PNY 1333 55gb, 320Gb, 500GB, 1TB Hyper 212 EVO Win 7 Ultimate 64bit 
OSOSPowerCase
Lubuntu 13.04 x64 OS X 10.8.5 TX750 Haf 912 
CPUGraphicsRAMHard Drive
T9300 GT 240M DDR2  WD10JPVT 
OS
Win 7 Ultimate 64bit 
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post #6 of 11
Yes the PSU will do fine in your setup smile.gif
Quote:
Originally Posted by cdoublejj View Post

Well if your worried you need a 1000 watt you need at least what another 10k-70k USD in hardware? maybe 80SSD, two xeon 8 cores, tow dual GPU cards, a sound card, two blu rays drives, about 16 high cfm fans, two - four water pumps, raid card... hmm even then 750w would still be over kill.

That has got to be the stupidest post I've seen in a while...LOL
Ol' Sandy
(28 items)
 
"Zeus"
(13 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5 2500K (4.5ghz @ 1.320v) Gigabyte Z68X-UD3R-B3 MSI Gaming GTX 980 Corsair 16GB (4x4GB) 
Hard DriveHard DriveHard DriveHard Drive
Plextor PX-256M5S 256GB Samsung EVO 1TB Hitachi HDS721010CLA332 Hitachi HDS723020BLA642 
Hard DriveHard DriveHard DriveOptical Drive
Hitachi HDS723020BLA642 Hitachi HUA722010CLA330 WDC WD10EARS-00Z5B1 TSSTcorp CDDVDW SH-S223B 
CoolingCoolingOSMonitor
Phanteks PH-TC14PE with TY-140's Lamptron FCv5 (x2) Windows 8 Pro 64-bit Dell U2412M 
MonitorMonitorMonitorKeyboard
Dell U2412M Dell U2212HM Dell U2713HM Topre Realforce 87UB | Ducky DK9087 G2 Pro 
PowerCaseMouseMouse Pad
Corsair AX-750 Corsair Obsidian 650D Logitech G700 XTRAC Ripper XXL 
AudioAudioAudioAudio
Beyerdynamic DT-770 Pro 250ohm Schiit Bifrost DAC Schiit Asgard 2 HiVi Swan M50W 2.1 
CPUMotherboardRAMHard Drive
Intel Xeon E5-2620 Super Micro X9SRL-F-B 64GB 1333MHz 4x WD RE4 1TB on-host (Adaptec 6805E RAID 10) 
Optical DriveOSPowerCase
2x Crucial M500 480GB, 2x WD RE4 500GB on-host ... Windows Server 2012 R2 x64 SeaSonic SS-400FL2 Fractal Define R3 
CPUMotherboardGraphicsRAM
Intel Core i5-3437U HP EliteBook Folio 9470m  Intel HD Graphics 4000  16GB DDR3 SDRAM 
Hard DriveOS
256GB SSD elementaryOS "Luna" 
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Ol' Sandy
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"Zeus"
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CPUMotherboardGraphicsRAM
Intel Core i5 2500K (4.5ghz @ 1.320v) Gigabyte Z68X-UD3R-B3 MSI Gaming GTX 980 Corsair 16GB (4x4GB) 
Hard DriveHard DriveHard DriveHard Drive
Plextor PX-256M5S 256GB Samsung EVO 1TB Hitachi HDS721010CLA332 Hitachi HDS723020BLA642 
Hard DriveHard DriveHard DriveOptical Drive
Hitachi HDS723020BLA642 Hitachi HUA722010CLA330 WDC WD10EARS-00Z5B1 TSSTcorp CDDVDW SH-S223B 
CoolingCoolingOSMonitor
Phanteks PH-TC14PE with TY-140's Lamptron FCv5 (x2) Windows 8 Pro 64-bit Dell U2412M 
MonitorMonitorMonitorKeyboard
Dell U2412M Dell U2212HM Dell U2713HM Topre Realforce 87UB | Ducky DK9087 G2 Pro 
PowerCaseMouseMouse Pad
Corsair AX-750 Corsair Obsidian 650D Logitech G700 XTRAC Ripper XXL 
AudioAudioAudioAudio
Beyerdynamic DT-770 Pro 250ohm Schiit Bifrost DAC Schiit Asgard 2 HiVi Swan M50W 2.1 
CPUMotherboardRAMHard Drive
Intel Xeon E5-2620 Super Micro X9SRL-F-B 64GB 1333MHz 4x WD RE4 1TB on-host (Adaptec 6805E RAID 10) 
Optical DriveOSPowerCase
2x Crucial M500 480GB, 2x WD RE4 500GB on-host ... Windows Server 2012 R2 x64 SeaSonic SS-400FL2 Fractal Define R3 
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Intel Core i5-3437U HP EliteBook Folio 9470m  Intel HD Graphics 4000  16GB DDR3 SDRAM 
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post #7 of 11
Quote:
Originally Posted by YamiJustin View Post

I recently built my first computer >
Intel Core i7 3930k @ 3.2ghz (turbo 3.8ghz)
Asus Sabertooth x79 motherboard
Corsair H100 liquid cooling
MSI Radeon HD 7950 graphics card
16gb Corsair vengeance memory (4x4)
Corsair 750w power supply
Lite-on Blu-ray Burner drive
DVD-reader drive
ATF media card reader
256gb SSD
1tb HDD @ 7200rpm
250gb HDD @ 7200rpm
I want to overclock my CPU to 4.5-4.8ghz, and I read that definitely increases the watt consumption by a lot. However I have yet to find any apps or programs that tell me while my PC is running how many watts I'm drawing. Will the 750w be enough for all that + an over clocked CPU? I assumed originally that if I didn't have enough watts the PC would simply shut off, but after reading a few horror stories of the PSU frying some PCs in the process, I'm a little worried I didn't get a 1000watt PSU.
Thanks!
You can add another 7950 and it will still be overkill.
post #8 of 11
Quote:
Originally Posted by tompsonn View Post

Yes the PSU will do fine in your setup smile.gif
That has got to be the stupidest post I've seen in a while...LOL

aside form the typo's that was kind of the point, i know my 850 corsair puts out some thing like 70 amps on the 12v that's just insanely sick. Don't believe me? check out how many amps generators put out or how many amps a refrigerator pulls, all be it at higher volts but, you get the idea.
Chris-PC
(17 items)
 
Core 2 Haf
(16 items)
 
Acer 5920G
(13 items)
 
CPUMotherboardGraphicsGraphics
Phenom II 1100T AsRock Extreme4 990FX HD4850 HD4850 
RAMRAMHard DriveHard Drive
MV-3V2G3D/US  MV-3V4G3D/US  Barracuda 7200.10 WD Green 
Hard DriveCoolingOSMonitor
Crucial M4 EVGA Superclock CPU Cooler Win 7 Ultimate 64bit Hanns,G Hi221 
MonitorKeyboardPowerCase
Dell E198WFP Saitek Eclipse Corsair TX850W NZXT M59 
Audio
Asus Xonar D1 
CPUMotherboardGraphicsRAM
C2Q Q9550 ASUS P5E3 Deluxe Wifi-AP GTX 480 Kingston HyperX DDR3 KHX1600C9D3K2/8G 
RAMHard DriveCoolingOS
PNY 1333 55gb, 320Gb, 500GB, 1TB Hyper 212 EVO Win 7 Ultimate 64bit 
OSOSPowerCase
Lubuntu 13.04 x64 OS X 10.8.5 TX750 Haf 912 
CPUGraphicsRAMHard Drive
T9300 GT 240M DDR2  WD10JPVT 
OS
Win 7 Ultimate 64bit 
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Chris-PC
(17 items)
 
Core 2 Haf
(16 items)
 
Acer 5920G
(13 items)
 
CPUMotherboardGraphicsGraphics
Phenom II 1100T AsRock Extreme4 990FX HD4850 HD4850 
RAMRAMHard DriveHard Drive
MV-3V2G3D/US  MV-3V4G3D/US  Barracuda 7200.10 WD Green 
Hard DriveCoolingOSMonitor
Crucial M4 EVGA Superclock CPU Cooler Win 7 Ultimate 64bit Hanns,G Hi221 
MonitorKeyboardPowerCase
Dell E198WFP Saitek Eclipse Corsair TX850W NZXT M59 
Audio
Asus Xonar D1 
CPUMotherboardGraphicsRAM
C2Q Q9550 ASUS P5E3 Deluxe Wifi-AP GTX 480 Kingston HyperX DDR3 KHX1600C9D3K2/8G 
RAMHard DriveCoolingOS
PNY 1333 55gb, 320Gb, 500GB, 1TB Hyper 212 EVO Win 7 Ultimate 64bit 
OSOSPowerCase
Lubuntu 13.04 x64 OS X 10.8.5 TX750 Haf 912 
CPUGraphicsRAMHard Drive
T9300 GT 240M DDR2  WD10JPVT 
OS
Win 7 Ultimate 64bit 
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post #9 of 11
Quote:
Originally Posted by cdoublejj View Post

aside form the typo's that was kind of the point, i know my 850 corsair puts out some thing like 70 amps on the 12v that's just insanely sick. Don't believe me? check out how many amps generators put out or how many amps a refrigerator pulls, all be it at higher volts but, you get the idea.

Ah mate I was just messin' ! wink.gif

But you'd be a bit silly to try and actually draw 70A from the 12V line, wouldn't you? smile.gif I do believe you anyway, says so on the Corsair spec sheet biggrin.gif
Ol' Sandy
(28 items)
 
"Zeus"
(13 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5 2500K (4.5ghz @ 1.320v) Gigabyte Z68X-UD3R-B3 MSI Gaming GTX 980 Corsair 16GB (4x4GB) 
Hard DriveHard DriveHard DriveHard Drive
Plextor PX-256M5S 256GB Samsung EVO 1TB Hitachi HDS721010CLA332 Hitachi HDS723020BLA642 
Hard DriveHard DriveHard DriveOptical Drive
Hitachi HDS723020BLA642 Hitachi HUA722010CLA330 WDC WD10EARS-00Z5B1 TSSTcorp CDDVDW SH-S223B 
CoolingCoolingOSMonitor
Phanteks PH-TC14PE with TY-140's Lamptron FCv5 (x2) Windows 8 Pro 64-bit Dell U2412M 
MonitorMonitorMonitorKeyboard
Dell U2412M Dell U2212HM Dell U2713HM Topre Realforce 87UB | Ducky DK9087 G2 Pro 
PowerCaseMouseMouse Pad
Corsair AX-750 Corsair Obsidian 650D Logitech G700 XTRAC Ripper XXL 
AudioAudioAudioAudio
Beyerdynamic DT-770 Pro 250ohm Schiit Bifrost DAC Schiit Asgard 2 HiVi Swan M50W 2.1 
CPUMotherboardRAMHard Drive
Intel Xeon E5-2620 Super Micro X9SRL-F-B 64GB 1333MHz 4x WD RE4 1TB on-host (Adaptec 6805E RAID 10) 
Optical DriveOSPowerCase
2x Crucial M500 480GB, 2x WD RE4 500GB on-host ... Windows Server 2012 R2 x64 SeaSonic SS-400FL2 Fractal Define R3 
CPUMotherboardGraphicsRAM
Intel Core i5-3437U HP EliteBook Folio 9470m  Intel HD Graphics 4000  16GB DDR3 SDRAM 
Hard DriveOS
256GB SSD elementaryOS "Luna" 
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Ol' Sandy
(28 items)
 
"Zeus"
(13 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5 2500K (4.5ghz @ 1.320v) Gigabyte Z68X-UD3R-B3 MSI Gaming GTX 980 Corsair 16GB (4x4GB) 
Hard DriveHard DriveHard DriveHard Drive
Plextor PX-256M5S 256GB Samsung EVO 1TB Hitachi HDS721010CLA332 Hitachi HDS723020BLA642 
Hard DriveHard DriveHard DriveOptical Drive
Hitachi HDS723020BLA642 Hitachi HUA722010CLA330 WDC WD10EARS-00Z5B1 TSSTcorp CDDVDW SH-S223B 
CoolingCoolingOSMonitor
Phanteks PH-TC14PE with TY-140's Lamptron FCv5 (x2) Windows 8 Pro 64-bit Dell U2412M 
MonitorMonitorMonitorKeyboard
Dell U2412M Dell U2212HM Dell U2713HM Topre Realforce 87UB | Ducky DK9087 G2 Pro 
PowerCaseMouseMouse Pad
Corsair AX-750 Corsair Obsidian 650D Logitech G700 XTRAC Ripper XXL 
AudioAudioAudioAudio
Beyerdynamic DT-770 Pro 250ohm Schiit Bifrost DAC Schiit Asgard 2 HiVi Swan M50W 2.1 
CPUMotherboardRAMHard Drive
Intel Xeon E5-2620 Super Micro X9SRL-F-B 64GB 1333MHz 4x WD RE4 1TB on-host (Adaptec 6805E RAID 10) 
Optical DriveOSPowerCase
2x Crucial M500 480GB, 2x WD RE4 500GB on-host ... Windows Server 2012 R2 x64 SeaSonic SS-400FL2 Fractal Define R3 
CPUMotherboardGraphicsRAM
Intel Core i5-3437U HP EliteBook Folio 9470m  Intel HD Graphics 4000  16GB DDR3 SDRAM 
Hard DriveOS
256GB SSD elementaryOS "Luna" 
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post #10 of 11
Any legitimate 750w power supply can power that rig, even with an overclock.
AMD APU build
(16 items)
 
   
CPUMotherboardGraphicsRAM
AMD A10-6800K APU 4400mhz 1.33v ASUS A88X-PRO Radeon HD 6970 8 GB DDR3-1600 
Hard DriveHard DriveOptical DriveCooling
Corsair Force GT120 SSD Toshiba 2.5" laptop HDD, 1TB ASUS DVD-RW Prolimatech Black Series Megahalems 
OSMonitorKeyboardPower
Windows 7 Home Premium Dell P1130 21" CRT IBM Model M Ultra LSX 750 
CaseMouseAudioOther
Antec SX1040B Logitech Marble Mouse Behringer UCA222 Upgraded Realistic Minimus-7 speakers, Lepai 20... 
CPUMotherboardGraphicsRAM
Intel Core 2 Duo Mobile T9800 Dell 0G848F Intel Mobile 4 series 4GB Crucial DDR2-6400 
Hard DriveOptical DriveOSOS
OWC Mercury Electra 3G 44GB SSD stock DVD-RW Windows XP Professional x64 Edition Puppy Linux "Slacko" version 5.9.3 
Monitor
1366x768 WXGA 
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AMD APU build
(16 items)
 
   
CPUMotherboardGraphicsRAM
AMD A10-6800K APU 4400mhz 1.33v ASUS A88X-PRO Radeon HD 6970 8 GB DDR3-1600 
Hard DriveHard DriveOptical DriveCooling
Corsair Force GT120 SSD Toshiba 2.5" laptop HDD, 1TB ASUS DVD-RW Prolimatech Black Series Megahalems 
OSMonitorKeyboardPower
Windows 7 Home Premium Dell P1130 21" CRT IBM Model M Ultra LSX 750 
CaseMouseAudioOther
Antec SX1040B Logitech Marble Mouse Behringer UCA222 Upgraded Realistic Minimus-7 speakers, Lepai 20... 
CPUMotherboardGraphicsRAM
Intel Core 2 Duo Mobile T9800 Dell 0G848F Intel Mobile 4 series 4GB Crucial DDR2-6400 
Hard DriveOptical DriveOSOS
OWC Mercury Electra 3G 44GB SSD stock DVD-RW Windows XP Professional x64 Edition Puppy Linux "Slacko" version 5.9.3 
Monitor
1366x768 WXGA 
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