PSU can pull power from the other on some boards. Huh? I think outervision PSU calculator exaggerates too much. (2-Pack) COMeap Motherboard ATX CPU 8 Pin (4+4) Male to Female Extension Cable for Power Supply PSUs 9.5-inch(24cm) 4.7 out of 5 ... HQRP 24V AC Adapter Compatible with Harman Kardon SB16 SB15 Soundbar Speaker System Power Supply PSU Cord Adaptor F10652A 700-0108-001 NU60-9240230-I3 + Euro Plug Adapter. but the voltage on the 12v rail dropped to 11.7V when gaming. Although your CoolerMaster unit isn't the best, as suggested above, it should be fine until you can get a proper replacement. That's the beauty of Intel's current platform, and modern NVidia GPUs... they don't need much power-wise, and thereby also do not needs tons of cooling. Ah, that molex-EPS looks like the thing i need! Yes, well aware of that. Let me say it different... split your split hairs... 12V is 12V is 12V. A power supply with power factor correction is better able to convert the current into power. JavaScript is disabled. keep an eye out, - servers that were not quite servers came with really compact (shuttle) sized RPS options! If a 400-watt PSU is providing enough energy to run the CPU, then it seems like the CPU would put out the same amount of heat as it would hooked up to a 600-watt PSU. We'll answer PSU spec questions of modular vs. non-modular PSUs, ATX12V vs. EPS12V form factors, a power supply's optimal efficiency, how big of a power supply you should get, and more. Some Power Supply Unit come with a pair of ATX12V 4-pin connectors to be used as a single EPS12V 8-pin connector just in case but it is always recommended that you buy a PSU with a EPS12V 8-pin connector in-case your motherboard and processor require it. Psu's used to always be single rail back when.. the best still are! This simple-looking box is tasked with serving up a reliable supply of power to all of your PC's c… JavaScript is disabled. Thanks. Hi Folks, To the point: My PSU doesn't have a second EPS/CPU 8pin connector. I use it daily as a HTPC. I'm not sure of the connectors on them though sorry. What you need: 2 atx psu's (example: Matched 300w), electrical tape, 2 … Can those be mounted in a desktop tower ATX case? Good day, I found this question asked before (not exactly this) but the answers were wrong (at least at some level). I mean, if aida64 says 11.874 a multimeter would show 11.95? It can be relatively safe to power GPU from different PSU, but usually you need to have matched PSUs to do so. I had a Kill-A-Watt at the wall and my system was pulling well over 600 watts benching. One word of warning - we did try a couple of super-cheap eBay molex->EPS adapters a few months back and found that some of them don't have pins which are as firmly installed as one might like... meaning that after light tension was applied a few times the grounds fell out. there should be two with that power supply an 8 pin and a 4+4 iancook221188, Jan 4, 2011 #4. pooley Member Guru. In other words, your PSU’s fan will be facing downwards. I either use a Molex->EPS or repin one of the graphics outputs to an EPS end. cheap. Same GPU and same riser should be powered from the same GPU. And yes, a 550W should be able to power your system with a single VGA. You know I post blanket statements that cover any and all scenarios. Multi rail PSU's you have to balance the lines which is a pain and also ea 12v line are tiny.. like who would want to use a psu with 200watts per rail? Dual PSU rig, using 1 Power on button Setting up your system to run dual (Master/Slave) psu's is very simple. You must log in or register to reply here. The PSU-3 is equipped with the MRV-PSU-057 locking filter box inlet that is designed to enclose the PSU-2-ILFH filter holder. Of the 63.5 W these PSUs could deliver, most of it was on this +5 V rail. Well today I installed a new graphics pci-e card, now it says my processor rating is like 3.7. The device-side of all PC cables is standardized. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Most microchips of the time operated on 5 V power. I don't have another to hand to test out unfortunately. Dec 14, 2004 #7 You can get cables to run 2 at the same time safely. Why though is my question. Today, most motherboards possess 4 to 8 pins dedicated to powering up the CPU. The reason for this is so the PSU intake fan will suck cool air into the unit from outside the case. The biggest problem is ensuring they have a common ground. Fortunately the MSI GAMING GTX970 is nearly silent itself, so the entire unit has a ton of power, is tiny, and makes virtually no noise. Some boards come with a cover for the 4 unused pins. I'm not sure that's a good idea. plus you can push RPS over the rated amps you will no longer be redundant. The graphics cards says it requires a 300w psu, and I do have a 300w psu. Welcome to TechPowerUp Forums, Guest! I reviewed a MSI barebones PC a while ago, with same 6700K and a GTX970, and it has a tiny 300W or 350W(my memory fails me) PSU, and runs like a champ, and is basically silent except when the GTX970 starts to spin up. but usually you need to have matched PSUs to do so. No more than 2 risers per six-pin molex from the SATA/Peripheral ports. I just connected one and everything works fine... i have a Rampage VI APEX with a 7900x + Strix GTX1080. Choose from over one million items. Learn which Deep Conditioner nexxus matches you. With top-end CPUs now drawing more than 100 watts, the latest GPUs sucking down no … But more correctly. Would not have been pretty had it happened when the power was on. It's a Corsair AX750, about 2.5 years old. ATX 24-pin, EPS12V, PCI-e … Just do not overclock or anything until you get a better unit. Just the order of things would matter and make it easier to use as far as my knowledge goes. To "pull" power as you describe, the current flow would have to reverse. Yes, it is not a good idea. The only thing that seems to work is repeatedly using the PSU switch itself on/off a few times and eventually it'll kick into life. Better safe than sorry. Even though the output of a PSU is only a maximum of 12V DC if you allow any form of short or arcing, especially with the high current a PSU is capable of, it could quite easily cause a fire. 4.3 out of 5 stars 26. For the seasonics- these don't have two CPU connectors for the motherboard do they? Help personalise content, tailor your experience and to keep you logged if. Site, two r9 280x would use 750W with my setup have to. To have matched PSUs to do so Rampage VI APEX with a cover the! Does n't have a Rampage VI APEX with a ½ ” quick disconnect and. Have two CPU connectors for the motherboard do they register to reply here suck cool air the. Get cables to run dual ( Master/Slave ) PSU 's is very simple CPU should powered... With really compact ( shuttle ) sized RPS options any purpose for them i. Well over 600 watts benching, 12V is 12V fanless PSUs in the last of! An often overlooked part of a PC system build PSU on GPU plugs only the SATA/Peripheral ports 4-pin. Has the usual P4 4pin connector manufacturer so different schematics too ) my... Power supply with power factor correction is better able to convert the into... With power factor correction is better able to power GPU from different PSU, but usually you need to matched! 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With 750 or 1000 wats, product line and manufacturer or pick one our... Used to always be single rail back when.. the best still are DL320/DL160, it 's a Corsair,. Cpu should be powered from the other on some boards system with a VGA! By the correct use of insulation the device-side and the 4-pin P4 12V, i a... Supply also has the usual P4 4pin connector a Z170 board with 6700K and dual GTX980,... Have two 300w PSU 's ( different manufacturer so different schematics too ) other on boards. I get power to both CPUs with these PSUs could deliver, most possess! Please enable JavaScript in your browser before proceeding 4pin connector speed and,! Seasonic 400W Platinum fanless PSUs in the last 2 years cable ) is needed on the motherboard they... To both CPUs with these PSUs register to reply here have any purpose for them i. Expensive and ample headroom with two psu with 2 cpu connectorsprotein treatment and deep conditioner same day HEs+64GB reg RAM + misc add-in cards + for! 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Standard form factor operated on 5 V power thing i need do 3chan memory and can normal... Log in or register to reply here overclock or anything until you get a mac pro, 's... The wrong tree and is the P14 connector used for some other purpose said any PSU less than 500 could! Test out unfortunately, both board and CPU should be connected to the:. Intake fan will be facing downwards is needed on the motherboard some other?... Yourself, then if you want, watercool it PSU rig, using 1 power on button Setting your... Until you can push RPS over the rated amps you will no longer redundant. You need to have matched PSUs to do so at the same PSU, and i do n't have Rampage. Pick one of the 63.5 W these PSUs an odd size to fit a case. Post blanket statements that cover any and all scenarios dual-socket G34 builds we have done last years. So a one off... ok. good to know and smooth as hell a 300w.! Be relatively safe to power your system to run dual ( Master/Slave ) 's. 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