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psu help

post #1 of 11
Thread Starter 
my fellow overclockers, i have realized that i do not need the high end super expensive stuff to build an amazing gaming rig. so i am asking you if my choice is good enough and how much power i will need?

Intel Core i5 2500K
Corsair Vengeance 8Gb Kit (2 4gb Sticks)
Gigabyte P67A-UD5-B3
2 Gigabyte 6870 OC Vid cards in Crossfire With 2 Monitors
Cooler Master 690 II Advanced With 2 140mm Led fans on top, 2 120mm led fans on the bottom, 1 120mm led fan on the side(windowed) and a random 60mm fan somewhere. (these on fan controller and stock front &back fans are on motherboard)
Sunbeamtech Rheobus Extreme fan controller
1 dvd-rw optical drive
1 Seagate Sata III 1TB Hdd for storage
1 Kingston V series 30gb SSD for operating system and important stuff.

Here are my questions-
1. How much power will this use? i will be overclocking over 4.2 ghz
2. What is the Best Air Cooler that can help me overclock and fits in my case?
    
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post #2 of 11
The best air coolers are the Thermalright Archon & Thermalright Silver Arrow.

Thermalright Venemous X, Promilatech Megahalems, & Noctua D14 are other notable coolers out there.

As for that system, it'll run on a 550w unit without a problem. The best 550w PSU out there right now is the Kingwin Lazer Platinum 550w; though the Antec True Power New 550w or the Seasonic M12II Bronze 520 would both be cheaper and perform close to the same.
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CPUMotherboardGraphicsRAM
Core i5 3570K  Biostar TZ774XE Power Color AX5770 1GB 4x4GB 1866Mhz 9-10-9-27-2T 
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Test Bed
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TTTbox
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CPUMotherboardGraphicsRAM
Core i5 3570K  Biostar TZ774XE Power Color AX5770 1GB 4x4GB 1866Mhz 9-10-9-27-2T 
Hard DriveHard DriveHard DriveHard Drive
Samsung Spinpoint F3 1TB Samsung Spinpoint F3 1TB Western Digital Green 2TB Samsung Spinpoint M4 500GB 
Hard DriveOptical DriveCoolingOS
Intel X-25M G2 80GB Lite-On BluRay Drive Arctic Cooling Freezer 13 Pro Windows 7 Ultimate 
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Dell U2212HM Deck Legend Frost Tactile Silverstone Strider Plus 750w Custom Acrylic Test Bed 
MouseMouse PadAudioAudio
Logitech G500 Cooler Master Storm Tactics FPS Beyer Dynamics DT-990 600ohm Samson MediaOne 3A 
AudioAudioOtherOther
FiiO E09k QOGIR FiiO E17 ALPEN Microsoft Lifecam Studio Blue Yeti Pro Microphone 
CPUMotherboardGraphicsRAM
AMD A10-A5800K ASRock FM2A85X-ITX Radeon HD7770 1GB 2x8GB 1866mhz C9 
Hard DriveHard DriveOptical DriveCooling
SanDisk Ultra Plus 128GB 2TB 5400 RPM  24x DVD Drive Noctua L9A 
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post #3 of 11
I'd say a quality 750W unit, to be safe.

At peak load (Prime95 + IBT + FurMark + Crysis), I'd have to say anywhere from 500-650W. That's just a rough guess, though. The 750W could handle it. Personally, I'd go with the SeaSonic X-750, or the X-760 if the 750 isn't available.
post #4 of 11
Quote:
Originally Posted by Bassdoken View Post
I'd say a quality 750W unit, to be safe.

At peak load (Prime95 + IBT + FurMark + Crysis), I'd have to say anywhere from 500-650W. That's just a rough guess, though. The 750W could handle it. Personally, I'd go with the SeaSonic X-750, or the X-760 if the 750 isn't available.
You don't need anywhere near 750w for that system.
Test Bed
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CPUMotherboardGraphicsRAM
Core i5 3570K  Biostar TZ774XE Power Color AX5770 1GB 4x4GB 1866Mhz 9-10-9-27-2T 
Hard DriveHard DriveHard DriveHard Drive
Samsung Spinpoint F3 1TB Samsung Spinpoint F3 1TB Western Digital Green 2TB Samsung Spinpoint M4 500GB 
Hard DriveOptical DriveCoolingOS
Intel X-25M G2 80GB Lite-On BluRay Drive Arctic Cooling Freezer 13 Pro Windows 7 Ultimate 
MonitorKeyboardPowerCase
Dell U2212HM Deck Legend Frost Tactile Silverstone Strider Plus 750w Custom Acrylic Test Bed 
MouseMouse PadAudioAudio
Logitech G500 Cooler Master Storm Tactics FPS Beyer Dynamics DT-990 600ohm Samson MediaOne 3A 
AudioAudioOtherOther
FiiO E09k QOGIR FiiO E17 ALPEN Microsoft Lifecam Studio Blue Yeti Pro Microphone 
CPUMotherboardGraphicsRAM
AMD A10-A5800K ASRock FM2A85X-ITX Radeon HD7770 1GB 2x8GB 1866mhz C9 
Hard DriveHard DriveOptical DriveCooling
SanDisk Ultra Plus 128GB 2TB 5400 RPM  24x DVD Drive Noctua L9A 
OSMonitorKeyboardPower
Windows 7 Home Premium 32" IPS TV Logitech K400 Seasonic G360 
CaseMouseAudio
Cooler Master Elite 120 Advanced Logitech K400 Trackpad Custom 2.1 Home Theater Setup 
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Test Bed
(24 items)
 
TTTbox
(15 items)
 
 
CPUMotherboardGraphicsRAM
Core i5 3570K  Biostar TZ774XE Power Color AX5770 1GB 4x4GB 1866Mhz 9-10-9-27-2T 
Hard DriveHard DriveHard DriveHard Drive
Samsung Spinpoint F3 1TB Samsung Spinpoint F3 1TB Western Digital Green 2TB Samsung Spinpoint M4 500GB 
Hard DriveOptical DriveCoolingOS
Intel X-25M G2 80GB Lite-On BluRay Drive Arctic Cooling Freezer 13 Pro Windows 7 Ultimate 
MonitorKeyboardPowerCase
Dell U2212HM Deck Legend Frost Tactile Silverstone Strider Plus 750w Custom Acrylic Test Bed 
MouseMouse PadAudioAudio
Logitech G500 Cooler Master Storm Tactics FPS Beyer Dynamics DT-990 600ohm Samson MediaOne 3A 
AudioAudioOtherOther
FiiO E09k QOGIR FiiO E17 ALPEN Microsoft Lifecam Studio Blue Yeti Pro Microphone 
CPUMotherboardGraphicsRAM
AMD A10-A5800K ASRock FM2A85X-ITX Radeon HD7770 1GB 2x8GB 1866mhz C9 
Hard DriveHard DriveOptical DriveCooling
SanDisk Ultra Plus 128GB 2TB 5400 RPM  24x DVD Drive Noctua L9A 
OSMonitorKeyboardPower
Windows 7 Home Premium 32" IPS TV Logitech K400 Seasonic G360 
CaseMouseAudio
Cooler Master Elite 120 Advanced Logitech K400 Trackpad Custom 2.1 Home Theater Setup 
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post #5 of 11
Thread Starter 
what about some cooler master ones like the v6 gt for example?
    
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Hard DriveOptical DriveOSMonitor
250Gb Hitachi Apple DvD Drive Mac OS X (latest version) Apple 13" LCD Display 
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post #6 of 11
Quote:
Originally Posted by Tator Tot View Post
You don't need anywhere near 750w for that system.
That's right, the 2500k is a 95W chip, ~80W without the IGP. So a smaller unit would definitely be a better choice. It's late, and DLS was very noticeable this year for me. >.<
post #7 of 11
Quote:
Originally Posted by ninox999 View Post
what about some cooler master ones like the v6 gt for example?
V6GT is good, though it's below the VenX & Megahalems.
Test Bed
(24 items)
 
TTTbox
(15 items)
 
 
CPUMotherboardGraphicsRAM
Core i5 3570K  Biostar TZ774XE Power Color AX5770 1GB 4x4GB 1866Mhz 9-10-9-27-2T 
Hard DriveHard DriveHard DriveHard Drive
Samsung Spinpoint F3 1TB Samsung Spinpoint F3 1TB Western Digital Green 2TB Samsung Spinpoint M4 500GB 
Hard DriveOptical DriveCoolingOS
Intel X-25M G2 80GB Lite-On BluRay Drive Arctic Cooling Freezer 13 Pro Windows 7 Ultimate 
MonitorKeyboardPowerCase
Dell U2212HM Deck Legend Frost Tactile Silverstone Strider Plus 750w Custom Acrylic Test Bed 
MouseMouse PadAudioAudio
Logitech G500 Cooler Master Storm Tactics FPS Beyer Dynamics DT-990 600ohm Samson MediaOne 3A 
AudioAudioOtherOther
FiiO E09k QOGIR FiiO E17 ALPEN Microsoft Lifecam Studio Blue Yeti Pro Microphone 
CPUMotherboardGraphicsRAM
AMD A10-A5800K ASRock FM2A85X-ITX Radeon HD7770 1GB 2x8GB 1866mhz C9 
Hard DriveHard DriveOptical DriveCooling
SanDisk Ultra Plus 128GB 2TB 5400 RPM  24x DVD Drive Noctua L9A 
OSMonitorKeyboardPower
Windows 7 Home Premium 32" IPS TV Logitech K400 Seasonic G360 
CaseMouseAudio
Cooler Master Elite 120 Advanced Logitech K400 Trackpad Custom 2.1 Home Theater Setup 
  hide details  
Reply
Test Bed
(24 items)
 
TTTbox
(15 items)
 
 
CPUMotherboardGraphicsRAM
Core i5 3570K  Biostar TZ774XE Power Color AX5770 1GB 4x4GB 1866Mhz 9-10-9-27-2T 
Hard DriveHard DriveHard DriveHard Drive
Samsung Spinpoint F3 1TB Samsung Spinpoint F3 1TB Western Digital Green 2TB Samsung Spinpoint M4 500GB 
Hard DriveOptical DriveCoolingOS
Intel X-25M G2 80GB Lite-On BluRay Drive Arctic Cooling Freezer 13 Pro Windows 7 Ultimate 
MonitorKeyboardPowerCase
Dell U2212HM Deck Legend Frost Tactile Silverstone Strider Plus 750w Custom Acrylic Test Bed 
MouseMouse PadAudioAudio
Logitech G500 Cooler Master Storm Tactics FPS Beyer Dynamics DT-990 600ohm Samson MediaOne 3A 
AudioAudioOtherOther
FiiO E09k QOGIR FiiO E17 ALPEN Microsoft Lifecam Studio Blue Yeti Pro Microphone 
CPUMotherboardGraphicsRAM
AMD A10-A5800K ASRock FM2A85X-ITX Radeon HD7770 1GB 2x8GB 1866mhz C9 
Hard DriveHard DriveOptical DriveCooling
SanDisk Ultra Plus 128GB 2TB 5400 RPM  24x DVD Drive Noctua L9A 
OSMonitorKeyboardPower
Windows 7 Home Premium 32" IPS TV Logitech K400 Seasonic G360 
CaseMouseAudio
Cooler Master Elite 120 Advanced Logitech K400 Trackpad Custom 2.1 Home Theater Setup 
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post #8 of 11
95w chip
Power= V x I
I= P / V= 95 / 12 = 7.91A

2 x 6870 @130W
260 / 12 = 21A


Any PSU over 500W with a 12V rail that can handle 30Amps

Add 20% to your final max wattage to get the most efficent PSU size

Good luck
 
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Black Dragon
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Jumper V2.0
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CPUMotherboardGraphicsRAM
AMD 1800X ASUS Crosshair 6 Auorus 1080TI G.Skill TridentZ 4000mhz 
Hard DriveHard DriveCoolingOS
Samsung 850 EVO 1TB Western Digital 4TB Black NZXT Kracken X52 Windows 10 x64 
MonitorKeyboardPowerCase
Haier 55"4k TV Logtech Wireless Garbage Corsiar 850RMI Fractal Design Define C 
MouseAudio
Roccat Krone Pure Fostex Modded V3 Mayflower Electrics 
CPUMotherboardGraphicsGraphics
i7 4770k [4.5@1.3V] Asus ROG Formula VI GTX 780 [1201/1722] GTX 780 [1201/1722] 
RAMHard DriveHard DriveOptical Drive
Dominator Plat 16GB 1866C9@1.5v Samsung 840 250GB Pro Seagate SSHD 2TB N/A 
CoolingCoolingCoolingCooling
22 stickle flow Fans Black ice 480 Black ice 240 2 D5 pumps running two loops 
OSMonitorMonitorMonitor
Windows 7 Ultimate G2420HD[OC 70Hz] KVM1 G2420HD[OC 70Hz] KVM2 G2420HD[OC 70Hz] KVM3 
MonitorMonitorMonitorMonitor
X-Star DP2710[OC 110Hz] KVM1 X-Star DP2710[OC 110Hz] KVM2 X-Star DP2710[OC 110Hz] KVM3 Kogan 46" 3D TV KVM4 
MonitorKeyboardPowerCase
Samsung SyncMaster 2333SW KVM4 Strike 7 OCZ Fatality 1000w Azza Genesis 9000B 
MouseMouse PadAudio
Roccat Krone XLD, RAT7 Razor Astro A40, Audio-Technica ATH-AG1 
CPUMotherboardGraphicsRAM
i7 920@ 3.8GHz HT ON EVGA 762 (4-way sli) Dual 8 Pin cpu EPS Connectors 4 GTX 480 sli 12Gb G.Skill Sniper 1600 @ 1633Mhz 
Hard DriveOptical DriveOSMonitor
SSD:Inferno 60, 4 F3 Spinpoint in 2 Raid 0 Arrays Blueray/Dvd Win 7 64 bit Ultimate 3 BENQ 2420 HD 24" Monitors in Nvidia Surround 
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Logitech G110 Gaming Silverstone Strider 1500W Thermaltake Armor+ BWS 6000 R.A.T.7 Gaming 
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post #9 of 11
Thread Starter 
how bout a cooler master silent pro gold 800W psu? good for overclocking the i5 over 4.2ghz? or do i need more?
Edited by ninox999 - 3/13/11 at 11:01pm
    
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post #10 of 11
Thread Starter 
and it looks like im going with a v6 gt but since i am only using 2 ram sticks will there be a problem? and is the cooler master psu enough?
    
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Hard DriveOptical DriveOSMonitor
250Gb Hitachi Apple DvD Drive Mac OS X (latest version) Apple 13" LCD Display 
KeyboardPowerCaseMouse
Apple MacBook keyboard Apple MacBook Charger/10 Hour Battery Apple MacBook Laptop Trackpad/Wireless Mouse for COD4 
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