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Yes, another 'recommend a PSU' thread.

post #1 of 8
Thread Starter 
Sorry. rolleyes.gif

i5-3670k Hoping for 4.5 ghz OC. Due to my horrible track record, maybe 4.3? 4.2?
Noctua D14
Samsung Pro Series 256gb
1tb HD
MSI G45 Gaming Z87 Mobo
GTX 770 Lightning from MSI (I MIGHT get another one... but in the future, won't be in a while)
8gb 1866 Gskill Sniper ddr3


What is your estimated required power supply for this rig? I have a PSU that supports Q6600 and SLI 8800gt with no problems. I looked everywhere, no sticker to tell me what the wattage is. I dunno. What about the 12v rail thing I heard with Haswell? And the GTX 770 Lightning requires 8 pin connectors, I have 6. Most likely will have to upgrade PSU.

So what wattage is good for 1 gtx 770 (Lightning comes with an aggressive overclock already)? What about two?
What do you recommend? I'm looking for one preferably that runs cool (willing to pay extra $10-30 for coolness) and hopefully has blue lights but that's not a dead-set requirement.

Feel free to post your thoughts, anything you think will be educational, any good deals going on right now.
Thank you very much. thumb.gif
   
Celapaleis (2013)
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Celapaleis (2013)
(16 items)
 
RAMHard DriveHard DriveKeyboard
x2 8gb GSkill Trident Z 3600 @ 3733 15-14-14-31-2T Samsung 950 Pro 512gb (Undelwalt) WD Red 2tb (Pack Yak II) Kmac 2 (Brown Switch, Gon PCB, Red LED, Clear Top) 
CPUMotherboardGraphicsRAM
i5 6600k Delid @ 4.848/4.848 Asus z170 Hero MSI GTX 980ti @ 1499/8208 1.25v/134% Power 2 x 8gb Gskills Ripjaws V 3131 16-16-16-32 
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Samsung Pro Series 840 256gb (Celapaleis) 1 TB Samsung Drive (Pack Yak) Samsung Pro Series 850 256gb (Celapaleis Reprise) Phoenix Down (External Backup) 
CoolingCoolingOSMonitor
Noctua D14 Kraken x61 Push-Pull for GPU Windows 10 Pro Catleap 2560x1440 @ 60hz 
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CM Storm Trigger Brown Switches EVGA Supernova 1000w P2 Corsair 540 Air Razer Abyssus 
Mouse PadAudioAudioAudio
Steelseries QcK Mini Blue Yeti Microphone Objective Dac + Amp Sescom AB Switch 
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Krk Rokit 6 G2 x2 Radioshack Ground Loop Isolator (For Rokits) Wooaudio Aluminum Headphone Stand Sennheiser HD 800 
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post #2 of 8
550 watts you dont need more then that

The Seasonic G 550 and the Rosewill Capstone-M 550

http://www.newegg.com/Product/Product.aspx?Item=N82E16817182262
http://www.newegg.com/Product/Product.aspx?Item=N82E16817151119
Seravee
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Seravee
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post #3 of 8
just to put forth some input, don't focus on wattage but what you need on the 12 volt rail at first.

an overclocked i5 won't be going over 180 watts, i'll admit thats total system power but to err on the side of caution lets toss it on the 12 volt rail
(that is my personal "wiggle room" variable in this formula thumb.gif )
a MSI 770 lighting will need ~200 watts

so we are talking about 380 watt or (380/12= 31.67) 32 amps. if you noticed both the PSUs shilka suggested have 45 amps. well the capstone has 45.5
now if you are really sure that you are going to get another 770 in the near future; just add (200/12= 16.67) 17 amps to the 12 volt rail for 50 amps rounded up total. any good 650 watt PSU can do that!


cheers
Edited by looniam - 6/19/13 at 10:47pm
loon 3.2
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loon 3.2
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post #4 of 8
Thread Starter 
Thanks for the replies. What's with the 12 volt rail, is that a specification for the PSU I need to run Haswell fine? Because while my old PSU will probably run the system and provide enough wattage, I have no clue about the 12v rail thing.

Thanks!
   
Celapaleis (2013)
(16 items)
 
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i5 6600k Delid @ 4.848/4.848 Asus z170 Hero MSI GTX 980ti @ 1499/8208 1.25v/134% Power 2 x 8gb Gskills Ripjaws V 3131 16-16-16-32 
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Celapaleis (2013)
(16 items)
 
RAMHard DriveHard DriveKeyboard
x2 8gb GSkill Trident Z 3600 @ 3733 15-14-14-31-2T Samsung 950 Pro 512gb (Undelwalt) WD Red 2tb (Pack Yak II) Kmac 2 (Brown Switch, Gon PCB, Red LED, Clear Top) 
CPUMotherboardGraphicsRAM
i5 6600k Delid @ 4.848/4.848 Asus z170 Hero MSI GTX 980ti @ 1499/8208 1.25v/134% Power 2 x 8gb Gskills Ripjaws V 3131 16-16-16-32 
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Samsung Pro Series 840 256gb (Celapaleis) 1 TB Samsung Drive (Pack Yak) Samsung Pro Series 850 256gb (Celapaleis Reprise) Phoenix Down (External Backup) 
CoolingCoolingOSMonitor
Noctua D14 Kraken x61 Push-Pull for GPU Windows 10 Pro Catleap 2560x1440 @ 60hz 
KeyboardPowerCaseMouse
CM Storm Trigger Brown Switches EVGA Supernova 1000w P2 Corsair 540 Air Razer Abyssus 
Mouse PadAudioAudioAudio
Steelseries QcK Mini Blue Yeti Microphone Objective Dac + Amp Sescom AB Switch 
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Krk Rokit 6 G2 x2 Radioshack Ground Loop Isolator (For Rokits) Wooaudio Aluminum Headphone Stand Sennheiser HD 800 
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post #5 of 8
a PSU is divided up into 12, 5 and 3.3 volt "rails"

the 12 volt rail is what powers the most power hungry component in the rig such as the cpu and graphics card(s) along with hard drive motors, and fans. to be honest with you i am not exactly sure about the RAM which for DDR3 is 4 watts a stick or the chipset which for a Z77 motherboard is 8 watts.

the haswell specification means the 12 volt rail will still provide low power; i think its like 0.5 amps whereas, most PSUs low power is 1 amp.

here is a bit old and extensive tut on PSUs if you have the time:
http://www.hardwaresecrets.com/article/Everything-You-Need-to-Know-About-Power-Supplies/181

edit:
i mention looking at the 12 volt rail at first not just because of its importance but also many PSUs will have "weak" 12 volt rails with really strong 5 or 3.3 volt rails (where the power isn't needed as much) to "inflate" what the total wattage is for the unit.
Edited by looniam - 6/19/13 at 11:23pm
loon 3.2
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loon 3.2
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post #6 of 8
Haswell has a low power state that allows the CPU to only draw as low as 0.05A on the +12v. The worry is that certain PSU can't cope with a low +12v load and a higher 3.3/5v load. This type of load would cause the voltage of the +12v to increase and the 3.3/5v to decrease on those particular power supply. Because of this, a theory came up that this type of load may cause it to go out of ATX specs and trip the OVP/UVP and cause the PSU to shut off; although, it is typically a non-issue in most situation.

Since we are recommending some indy-regulated / DC-DC PSUs like the Seasonic G and Rosewill Capstone, this isn't at all an issue.
Edited by qwan456 - 6/19/13 at 11:34pm
post #7 of 8
Capstone 550w or 650w if you want room to add more stuff in the future. http://www.newegg.com/Product/Product.aspx?Item=N82E16817182263
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post #8 of 8
Thread Starter 
Thank you.
The thing is, I currently can't afford a GTX 770 (I want to reserve some cash in case an emergency occurs), so it'll be another month before I get the GTX 770. But I want to get my build done in a few days without the GTX 770. I'll be rolling in with SLI 8800gt for now. >.> The Lightning requires dual 8 pins IIRC and mine has 6 pins. I believe they give adapters for 6->8pins but that isn't ideal. I hope it'll hold out until I purchase a better GPU. Once I get the GPU I'll buy a new PSU.

Sounds ok? biggrin.gif
   
Celapaleis (2013)
(16 items)
 
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x2 8gb GSkill Trident Z 3600 @ 3733 15-14-14-31-2T Samsung 950 Pro 512gb (Undelwalt) WD Red 2tb (Pack Yak II) Kmac 2 (Brown Switch, Gon PCB, Red LED, Clear Top) 
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i5 6600k Delid @ 4.848/4.848 Asus z170 Hero MSI GTX 980ti @ 1499/8208 1.25v/134% Power 2 x 8gb Gskills Ripjaws V 3131 16-16-16-32 
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Samsung Pro Series 840 256gb (Celapaleis) 1 TB Samsung Drive (Pack Yak) Samsung Pro Series 850 256gb (Celapaleis Reprise) Phoenix Down (External Backup) 
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Noctua D14 Kraken x61 Push-Pull for GPU Windows 10 Pro Catleap 2560x1440 @ 60hz 
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CM Storm Trigger Brown Switches EVGA Supernova 1000w P2 Corsair 540 Air Razer Abyssus 
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Steelseries QcK Mini Blue Yeti Microphone Objective Dac + Amp Sescom AB Switch 
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Celapaleis (2013)
(16 items)
 
RAMHard DriveHard DriveKeyboard
x2 8gb GSkill Trident Z 3600 @ 3733 15-14-14-31-2T Samsung 950 Pro 512gb (Undelwalt) WD Red 2tb (Pack Yak II) Kmac 2 (Brown Switch, Gon PCB, Red LED, Clear Top) 
CPUMotherboardGraphicsRAM
i5 6600k Delid @ 4.848/4.848 Asus z170 Hero MSI GTX 980ti @ 1499/8208 1.25v/134% Power 2 x 8gb Gskills Ripjaws V 3131 16-16-16-32 
Hard DriveHard DriveHard DriveHard Drive
Samsung Pro Series 840 256gb (Celapaleis) 1 TB Samsung Drive (Pack Yak) Samsung Pro Series 850 256gb (Celapaleis Reprise) Phoenix Down (External Backup) 
CoolingCoolingOSMonitor
Noctua D14 Kraken x61 Push-Pull for GPU Windows 10 Pro Catleap 2560x1440 @ 60hz 
KeyboardPowerCaseMouse
CM Storm Trigger Brown Switches EVGA Supernova 1000w P2 Corsair 540 Air Razer Abyssus 
Mouse PadAudioAudioAudio
Steelseries QcK Mini Blue Yeti Microphone Objective Dac + Amp Sescom AB Switch 
AudioAudioAudioAudio
Krk Rokit 6 G2 x2 Radioshack Ground Loop Isolator (For Rokits) Wooaudio Aluminum Headphone Stand Sennheiser HD 800 
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