4 pin power enough?

MxPhenom 216 · Sep 14, 2012, 05:37 PM

I guy I work with is building a computer and he was suppose to bring it in today so I can look it over since He said it was booting, and couldn't find the 8 pin CPU power connector from his PSU, and he thought what he did ine that was 8 pin was for USB. (I HAVE NO IDEA LOL) and then I told him no thats most likely for your proc. So he pluged it in for the CPU power yesterday but I guess only 4 pins actually fit. Is 4 pins enough for his Core i5 3570k? He has the TX750w V2 PSU

I think thats what his CPU connector looks like.

INSTG8R · Sep 14, 2012, 05:45 PM

It "technically" should be enough. I know some Mobo's I have built with actually have a cap on the 8 pin making it 4. 8 pin as far as I know is just "extra stability" for the CPU power section. You'll see some of the "Extreme OC" Mobos with TWO 8 pin. Again more stability.

[Ion] · Sep 14, 2012, 05:49 PM

For a low-power CPU like that, 4pin is OK. I'd suggest 8pin for any overclocking, but for stock speeds it's alright.

INSTG8R · Sep 14, 2012, 06:17 PM

Quote:

Originally Posted by [Ion]

For a low-power CPU like that, 4pin is OK. I'd suggest 8pin for any overclocking, but for stock speeds it's alright.

Agreed.

sneekypeet · Sep 14, 2012, 06:21 PM

what board is he trying this on?

Ghost · Sep 14, 2012, 06:49 PM

Should be enough. Got i5 2500K to 4.9 GHz with G1.Sniper M3 which also has only 4-pin connector.

EDIT: if 8-pin doesn't fit, try rotating it 180 degrees. If that doesn't help, rotate 180 degrees again

Sir B. Fannybottom · Sep 14, 2012, 06:55 PM

Quote:

Originally Posted by [Ion]

For a low-power CPU like that, 4pin is OK. I'd suggest 8pin for any overclocking, but for stock speeds it's alright.

This man is correct. I run my 955 with only a 4 pin, and it's at 1.4v usually.

itsakjt · Sep 15, 2012, 06:53 AM

I run my 955 on a 4 pin connector too and I can even overclock to 4.1 - 4.2 GHz

newlife · Sep 15, 2012, 07:48 AM

my z77 board will ONLY run with 8 pin, mb will not start with 4 pin, its the same as my last gigabyte 990fx board

cadaveca · Sep 15, 2012, 03:56 PM

Quote:

Originally Posted by newlife

my z77 board will ONLY run with 8 pin, mb will not start with 4 pin, its the same as my last gigabyte 990fx board

Not all boards are the same, and those two would be the oddities. 99% of all motherboards with 8-pin can run with just a 4-pin. Your problem was probably NOT the motherboard, but your PSU.

The reason WHY it's fine has to do with how power is delivered, and how much can be delivered via a 4-pin, which is about 200 Watts. And yes, that means an 8-pin can deliver near 400 Watts.(374 W, if I remember correctly)

Now, of course, some high-end boards have more than just an 8-pin; some have an added 4-pin with the 8pin, and some have dual 8-pins. Why?

Because less current delivered over the line is easier to manage, and typically is "cleaner", as it's further from "THE LIMIT".

I have this handy site bookmarked:

http://www.playtool.com/pages/psucon...onnectors.html

It has some good info.

Anyway, so, a 4-pin is DEFINITELY enough for IVB CPUs, even with an OC, since these are just 77 W CPUs. that leaves like a 120 Watts of overhead, or enough to power a whole other IVB CPU, and then some.

ThE_MaD_ShOt · Sep 15, 2012, 08:23 PM

That power supply should have the 8 pin connector. Mine does.

Jstn7477 · Sep 15, 2012, 08:45 PM

TX750 has a 4+4 pin connector for the CPU. Would help to know what board is being used, as my friend got a Gigabyte Z77 ATX board that only had a 4 pin ATX12V connection.

Pehla · Sep 16, 2012, 01:02 PM

Quote:

Originally Posted by MxPhenom 216

I guy I work with is building a computer and he was suppose to bring it in today so I can look it over since He said it was booting, and couldn't find the 8 pin CPU power connector from his PSU, and he thought what he did ine that was 8 pin was for USB. (I HAVE NO IDEA LOL) and then I told him no thats most likely for your proc. So he pluged it in for the CPU power yesterday but I guess only 4 pins actually fit. Is 4 pins enough for his Core i5 3570k? He has the TX750w V2 PSU

http://www.playtool.com/pages/psucon.../eps4plus4.jpg

I think thats what his CPU connector looks like.

hi..i must say for sure YES IT IS ENOUGH...i have msi z68ma-ed55 with 4pin conector and the board works just fine...as a mater of fact it work prety nasty..as i can OC cpu for 4.8ghz stable!! and yes if it was maybe 8 pin could get maybe nother 100-200mhz!

Sep 14, 2012, 05:37 PM	#1
MxPhenom 216 Knowledgeable Posting Whore Join Date: Aug 2010 Location: Seattle, WA Posts: 6,035 (5.90/day) Thanks: 1,340 Thanked 1,201 Times in 909 Posts System Specs	4 pin power enough? I guy I work with is building a computer and he was suppose to bring it in today so I can look it over since He said it was booting, and couldn't find the 8 pin CPU power connector from his PSU, and he thought what he did ine that was 8 pin was for USB. (I HAVE NO IDEA LOL) and then I told him no thats most likely for your proc. So he pluged it in for the CPU power yesterday but I guess only 4 pins actually fit. Is 4 pins enough for his Core i5 3570k? He has the TX750w V2 PSU I think thats what his CPU connector looks like. __________________ Motocross is not just a sport, it's a lifestyle. File Server: Intel Pentium G630, 8GB PNY 1600, AsRock H77M Micro, Corsair CX430M, Vertex 2 90GB (OS), 2x WD Red 2TB in RAID1 “We will never know our full potential, unless we push ourselves to find it. -Travis Rice”

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Sep 14, 2012, 05:45 PM	#2
INSTG8R Join Date: Nov 2004 Location: Lost in Norway Posts: 2,582 (0.83/day) Thanks: 936 Thanked 378 Times in 320 Posts System Specs	It "technically" should be enough. I know some Mobo's I have built with actually have a cap on the 8 pin making it 4. 8 pin as far as I know is just "extra stability" for the CPU power section. You'll see some of the "Extreme OC" Mobos with TWO 8 pin. Again more stability. __________________ Sys. Specs. i7 2600K@4.6\|ASUS P67 Sabertooth\|2x4096 Corsair Vengence 1600 \|Sapphire HD7970 OC\|WD Caviar Black 6.0Gbps 1TB x2@RAID 0\|SB X-Fi Fatality Pro\|TT Toughpower 1.2kW\|TT Kandalf L.C.S.\|Acer V243H 24" 1920x1080\|Logitech G25\|Logitech G500\|Logitech G19\|Saitek X-52 Pro\|TrackIR4 w/Trackclip Pro

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Sep 14, 2012, 05:49 PM	#3
[Ion] WCG Team Assistant Join Date: Sep 2009 Location: North Carolina, US Posts: 10,793 (7.86/day) Thanks: 8,305 Thanked 9,487 Times in 4,321 Posts System Specs	For a low-power CPU like that, 4pin is OK. I'd suggest 8pin for any overclocking, but for stock speeds it's alright. __________________ Ion's WCG Essentials Thread Crunching (64 Threads + 896 CUDA Cores + 6272 Shaders): i3-2100@ 3.1 + HD7850 -- Atom D510 @ 1.66 -- C2D-M T9600 @ 2.8 -- i7-3612QM @ 2.8 -- i7-860 @ 2.9 + HD7950 -- i7-2700k @ 4.4 + 2xGTX470 -- PentDC-M T4200 @ 2.0 -- i7-920 @ 3.83 + 3xHD7770 -- DP Xeon E5420 @ 2.5 + HD7930 -- E1600 @ 2.4

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Sep 14, 2012, 06:21 PM	#5
sneekypeet Unpaid Babysitter Join Date: Apr 2006 Posts: 19,115 (7.28/day) Thanks: 3,062 Thanked 5,500 Times in 3,959 Posts System Specs	what board is he trying this on? __________________ Hers: ASUS Maximus V Gene / i7 3770K / Swiftech H220 / 4X8GB Corsair Dominators / ASUS GTX660 / Corsair AX-760 / Windows 7 64bit / Fractal Design ARC Midi R2 Test: Gigabyte Z68X-UD4-B3 / i7 2600K / A lot Of Coolers / Ripjaws Currently / HIS HD7950 IceQ Turbo / Silverstone SST-ST85F-G / Windows 7 64bit / InWin D-Frame Limited Edition

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Sep 14, 2012, 06:49 PM	#6
Ghost Join Date: Aug 2010 Location: Unknown Posts: 205 (0.20/day) Thanks: 1 Thanked 64 Times in 36 Posts System Specs	Should be enough. Got i5 2500K to 4.9 GHz with G1.Sniper M3 which also has only 4-pin connector. EDIT: if 8-pin doesn't fit, try rotating it 180 degrees. If that doesn't help, rotate 180 degrees again

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Sep 15, 2012, 06:53 AM	#8
itsakjt Join Date: Oct 2010 Location: Kolkata, India Posts: 450 (0.46/day) Thanks: 283 Thanked 109 Times in 79 Posts System Specs	I run my 955 on a 4 pin connector too and I can even overclock to 4.1 - 4.2 GHz

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Sep 15, 2012, 07:48 AM	#9
newlife Join Date: Aug 2012 Location: Adelaide, Australia Posts: 112 (0.35/day) Thanks: 17 Thanked 30 Times in 17 Posts System Specs	my z77 board will ONLY run with 8 pin, mb will not start with 4 pin, its the same as my last gigabyte 990fx board

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Sep 15, 2012, 08:23 PM	#11
ThE_MaD_ShOt Join Date: Nov 2011 Location: Hi! I'm from the Internet Posts: 3,810 (6.71/day) Thanks: 2,641 Thanked 2,518 Times in 1,507 Posts System Specs	That power supply should have the 8 pin connector. Mine does. __________________ Crunchers : Phenom II x6 1090t / 2x Phenom II x6 1055t / Phenom II x4 970BE / “I always succed in my mission tho. Beer just delays it!” -ChaoticAtmosphere “TPU is very mild, and I love to tell people I love them when they are being retarded, it makes me feel special in my special places. What was the point of this thread again? Oh well, I love all of you.” -Steevo “Feels like I am being punished by a team of dumbasses for being slighty more intelligent than a waffle!” -Arjai

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Sep 15, 2012, 08:45 PM	#12
Jstn7477 Join Date: Aug 2009 Location: Sarasota, Florida, USA Posts: 3,248 (2.34/day) Thanks: 397 Thanked 1,249 Times in 840 Posts System Specs	TX750 has a 4+4 pin connector for the CPU. Would help to know what board is being used, as my friend got a Gigabyte Z77 ATX board that only had a 4 pin ATX12V connection. __________________ Intel Crunchers (34 threads): 4770K 4.3G (7t), 2x 3770K 4.3G (14t), 2600K 4G (7t), X3210 (3t), P-M 735A, P4 HT 3G AMD Crunchers (12 cores):1100T 3.6G (3t), 1045T 3.4G (2t), X4 640 3.2G, X2 4200+, T64 ML-37 AMD Folders (6272 GCN cores): 2x 7950 1125/1475, 7970 1150/1650, 7770 1100/1200 NV Folders (2336 GF10x + 1344 GK104 cores):GTX 470 & 465 720/1715, 4x 460 768MB 825/2000, GTS 450, 660Ti 1228/6000 HEATWARE

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