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Multiple +12V Rails?


It's based on the fact that a continuous (example) 10A rated current will burn it. LinusTechTips 313.783 görüntüleme 8:34 How Do CPUs Use Multiple Cores? - Süre: 6:00. Reply to Proximon jamie_1318Jul 13, 2011, 1:37 AM Good read, I have read this before, but you have summed all the issues up quite nicely. The OCP set point on each +12V rail is not the same for all PSUs. http://magicnewspaper.com/power-supply/1-rail-or-2-rails.html

Some system builders adhere very closely to ATX12V specification for liability reasons, so a company that wants to get that business but also save money and reduce R&D costs will often Reply to hunter315 31 answers Last reply Aug 20, 2016 More about single rail multiple rails eternal question answered ProximonJun 7, 2011, 5:32 AM Good stuff!Last year some may remember that It's all about the amps baby Mathew Actually the idea is that a damaged component getting by itself (for example) 12A might trigger a (2x) multi-rails 10A OCP whereas it would Yükleniyor... http://www.tomshardware.com/forum/306437-28-single-rail-multiple-rails-eternal-question-answered

Single Rail Power Supply Vs Dual Rail

In contrast, the Antec multi-rail PSU spreads this power delivery across two rails with independent safety hardware, stressing one of them - +12V1 – to only 8.3% of its capacity. The right side shows a representation of the output of a multi-rail Antec power supply and how it delivers this power to the graphics card over two rails – in this Yükleniyor... Çalışıyor... What does this have to do with single or multiple rails? "I was about to ask, yes." Glad to know.

Single rail is cleaner. brax View Public Profile Send a private message to brax Find all posts by brax #3 03-28-2008 jonnyGURU Site Founder Join Date: Oct 2006 Location: jonnyGURU forums, of Chances are in the event of an overload on the +12V power source, it’s going to potentially burn your components or itself before OCP kicks in. Dual Rail Power Supply Definition Yükleniyor...

If your PSU's OCP trip point for that main rail was set to 24A, then your system could easily hit that trip point when under load, causing the PSU to shut Dual Rail Power Supply Schematic The seasonic site lists the 12V combined current available so it shows like it is a single rail unit on their site, it would appear that only the label doesnt think Thats something that's been going on for quite while. 6 years or so ago ,when Corsair introduced thier HX line-up to the world ( HX520/620 ), it was discovered that there

After that, narrow selection down with finer details that may be more important to others than it may be to you....Does the unit have power factor correction?

Thanks to other people posting about safety issued because those should be addressed as well. Dual Rail Definition On the units where the sum of the listed max currents for the 12V rails does add up to the stated limit of the 12V source the true current limits are Join Date: Dec 2007 Location: Melbourne, Aus Posts: 67 Thanks: 0 Thanked 0 Times in 0 Posts Thanks for the read, was a good one. The rails themselves are capable of far more power output than any PCIe graphics card would ever need.

Dual Rail Power Supply Schematic

Uygunsuz içeriği bildirmek için oturum açın. http://www.jonnyguru.com/forums/showthread.php?t=3990 This is typically only seen in 1000W and up power supplies. Single Rail Power Supply Vs Dual Rail It doesn't even factor into my own PSU buying decisions. Power Supply 12v Rail Amperage you name it, just as you did with the Molex to PCIe adapters.

You will see single-rail and multi-rail power supplies of the same wattage will always have a similar amount of combined power, and are therefore not substantially different in performance. Minerva PC Power Supply Discussion 3 03-01-2007 12:16 AM Multiple rails or one rail? Figure out if there are any variables that may affect the actual output capability of the PSU:Is the PSU rated at continuous or peak? It's a safety feature. Power Supply Rail Definition

The unit does not have two 12V rails at all - it's a single 12V design. This review is gonna be pretty bad. Great write up! Cuendillar (20 items) CPUMotherboardGraphicsRAMIntel 2500KGigabyte Z68XP-UD5EVGA GTX580G.Skill Ripjaws XHard DriveHard DriveCoolingCoolingCrucial M4 256GBWD 1TB BlackMegaShadow w/ 2AP-15Case: 5 Xigmatek 120mm White LEDOSMonitorMonitorKeyboardWindows Server 2012ASUS 24" http://magicnewspaper.com/power-supply/1-high-amperage-12v-rail-vs-3-normal-amp-12v-rails.html Is the power cleaner on either?

Assuming the MB doesn't offer any staggered spinup of HDD's or anything, is a single +12V rail PSU better for a situation with 10 or more HDD's? Psu 12v Rail Low Voltage Generated Tue, 14 Feb 2017 02:07:00 GMT by s_hp87 (squid/3.5.23) You would have to specify the exact brand and model of PSU and graphics card to get an accurate answer.Dual +12V rail PSUs are not all wired exactly the same way.

Is the unit quiet?

When I bought this PSU I bought it especially because I was running a GTS 450 that required "22A on the 12V rail". Each of the +12V rails is therefore able to deliver at least 480 watts maximum before OCP triggers, which is more than enough for any modern PC setup. And I would consider it a must for >1000W power supplies; [H] recently tested the single rail Corsair AX1200, but they had an accidental short circuit, and since the PSU's OCP Multi Rail It's hard to beat the beauty of a single control loop because you can design and specify with precision.

The system returned: (22) Invalid argument The remote host or network may be down. It is true that marketing folks have told us that multiple +12V rails provides "cleaner and more stable voltages", but this is usually a falsehood. In the non-server, enthusiast/gaming market we don't see this anymore. The one big difference is that a multi-rail power supply has OCP on all +12V rails, ensuring that your power supply and PC components stay alive if a problem like a

Why don't those PSU companies get in trouble? As with the single- versus multi-rail myth, the truth emerges by simply reading the label correctly. Instead of correcting the problem, they just did away with the splitting of +12V rails altogether. Here comes the problem: When you use the Molex to PCIe adapters, you have now added the load from graphics cards onto the rail that's also supplying power to all of

In all of my years of computers I have never had a short or seen another computer in real life that shorted and melted/burnt something due to lack of OCP. The list goes on and on, so who’s right? the only obligatory protection is the OVP and OCP, any other protection is optional. They where the origin .

I've always wondered this. solved Dual or Single 12v rail solved Is single 12v 55amp rail a good choice? I dont think I agree that multis have a higher chance of being safe, just because the amps are lower on more rails… the power i going to be divided up That should make my job easier in helping my local IT forum members in getting the information they need regarding PSU issues -the wonderful world of web URL linking. __________________ Intel

Page 1 of 19 1 2311 > Last » Thread Tools Display Modes #1 03-28-2008 jonnyGURU Site Founder Join Date: Oct 2006 Location: jonnyGURU forums, of course! Techquickie 685.985 görüntüleme 6:05 Different Kinds of Memory as Fast As Possible - Süre: 5:54. Myth 1: Only Single Rail Power Supplies Can Power Up High-end Graphics Cards! Techquickie 250.021 görüntüleme 5:54 DDR Memory vs GDDR Memory as Fast As Possible - Süre: 4:41.

Not really good for high end SLI because a graphics card always has to share with something. unless you're using a "too-small" PSU in the first place. You see, when multi-rail units were first introduced, the specification at the time was poorly written, and power supply engineers made a mistake; they put all the cables that power heavy-draw On the left side we see the actual load, or power requirement, of the graphics card.

You've got like five times as many rails to power your parts." "No, single rail is best, are you an idiot? Cpu core temp not staying at defaults.8 · 5 comments Plan on delidding my 4790k today. When done properly, you should never be "feeding more than it can handle." From the link posted by /u/cornholi0: Because there are a few examples of companies that have produced power The total 12V load is only 50A which is within the PSU's spec, the #16 (maybe #18 on cheap PSUs) gauge 12V wire is going to burn with the computer still