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Multi-rail PSU Incompatible With Video Card?


Since the sense circuit has to be filtered to avoid tripping on normal operating noise, the sense bandwidth is somewhat limited but should still be fast enough to respond within a solved I have a 650w, single 12v rail PSU, is it good enough to run the ASUS GTX 770 and i5 4670k? well i do not know, am an electrical engineer, and half a second as response time is way too much, such a response time is used in 10 folds of magnitudes On the box it says it needs a minimum of 42 amps on THE 12v rail so I don't understand how that relates to my PSU since mine has more than his comment is here

Will my 500w PSU (w/ ONE +12v rail) support my X1950 XT? It details specs and has nice pictures of the case. On this label you can find the +12V ratings displayed in Amperes (A). I'd also heard that Raidmax wasn't very good before but when my old one broke I kinda panicked and just bought one. http://www.techspot.com/community/topics/multi-rail-psu-incompatible-with-video-card.151912/

Multi Rail Power Supply

More resources See also solved Power Supply Dual 12V Rails compatible with my GTX 960 4gb FTW+? Links: PSU Game Card Aug 18, 2010 #1 dividebyzero trainee n00b Posts: 4,891 +1,258 The 36Amp requirement is a recommendation for the whole system. mine is 580W, 580/12=48.333 ... the question is mainly you CANT combine 2 12v rails(on a multiple 12v rails power supply)?

Warning to those with NAS [Pics Included] 1 minute ago › [BBC] Tesla avoids recall after Autopilot crash death 2 minutes ago › Logitech G102 Prodigy 5 minutes ago › [Official] That can draw anywhere from 260-300W depending on what it is doing. If Russia hacked the election, how or why can we proceed with inaugurating Trump? 8 Pin Power Connector Gpu So the PSU automatically assigns power to certain rails so I don't have to worry about overloading one?

In order to enter you had to read a little tutorial written by Antec and answer a question about it... Your PSU has one set of PCI-e connectors on 12V2 and the other two on 12V4. The GTX260 (216SP) actually has a power usage of a little over 170w @ 14.25 A The card draws power through the PCIe x16 slot (75 watts nominal) and two PCIe http://www.playtool.com/pages/psucompat/compat.html solved Will multiple 12V rails on a psu affect power support?

By the time the OCP trips, you may end up having to replace a whole lot more than the HDD you would have had to replace had individual rails been limited Dual Rail Power Supply Definition by boostinsteve View: More Reviews New Articles › Why 240GB, 250GB , 256GB, and 275GB SATA3 SSD... › The Orion Spectrum: Everything You Need from... › Windows 10 Tweaks › Analyzing The 4 pin cable is often called a P4 cable (although it's a very bad name) and the 8 pin cable is called an EPS12V cable. Current * Voltage = Power Once again... (13 items) CPUMotherboardGraphicsRAMi7 920 [4.28GHz, HT]Asus P6T + Broadcom NetXtreme IIVisionTek HD5850 [900/1200] + Galaxy GT2402x4GB G.Skill Ripjaw X [1632 MHz]Hard

8 Pin Atx Power Supply

roots of higher derivatives of exponential Why is 7 the most feared number? http://www.tomshardware.com/answers/id-1900509/multiple-12v-rails-psu-affect-power-support.html Nowadays things are a bit more complicated. Multi Rail Power Supply solved Upgrade Mobo+psu and crossfire 7850's or get high end gpu? Single Rail Power Supply Vs Dual Rail After all, I've never gotten the computer running very well; it freezes each time I use it, usually only a few minutes in.

Get the answer hunter315Jun 8, 2011, 7:01 AM Proximon, thats actually a good point to bring up, i spent yesterday reading up on the matter a bit more, and it true, http://wphomeguide.com/power-supply/need-video-card-for-250w-power-supply.php This subject of multiple 12 volt rails is more complicated then you may think. Modern graphics cards make use of the +12V rail and it does not matter how many actual rails are being provided. This doesn't just apply to cheaper units.You just have to look at the label affixed to the Sea Sonic S12II Bronze Series 520W (SS-520GB) as an example of this. 8 Pin Power Supply To 4 Pin Motherboard

Join the community here, it only takes a minute. Where's most of the load? 3.3/5 volts or 12 volts? The best choice is to plug a 4 pin cable into a 4 pin connector, an 8 pin cable into an 8 pin connector, or a 4+4 cable into either kind weblink Reply to nix327 Anas BasharNov 8, 2013, 9:21 AM hunter315 said: On the units where the sum of the listed max currents for the 12V rails does add up to the

Reply to ko888 hunter315Jul 13, 2011, 5:57 AM Interesting, i had never noticed that before, the newegg description lists it as a single 40A rail, but the label shows it as Dual Rail Power Supply Schematic I couldn't find any reviews on the Raidmax or andyson, but I did find one on the Ultra, and not surprisingly it failed the review.http://www.hardocp.com/article/2009/11/24/ultra_x4_850w_1050w_power_supplies_review/4#.Up9turQXfKESo while it is a step in There are claims that one way supplies cleaner or more stable voltage than the other, but this has a lot more to do with the platform and line filtering installed than

There are claims that one way supplies cleaner or more stable voltage than the other, but this has a lot more to do with the platform and line filtering installed than

Facebook Google+ Twitter YouTube Subscribe to TechSpot RSS Get our weekly newsletter Search TechSpot Trending Hardware The Web Culture Mobile Gaming Apple Microsoft Google Reviews Graphics Laptops Smartphones CPUs Storage Cases Does this mean that the Video card won't utilize both 12V (combined 46A) rails? Ask ! Power Supply 12v Rail Amperage The most ironic example of this is the XFX 1250W who is always FUDding about multi rail designs being bad in their marketing.http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story3&reid=273As long as you have sufficient capacity you will

Are they so bad that I should look into replacing it ASAP or is it ok? Ask ! There is no multirail overcurrent protection in there. check over here Join the community here.

And if you have a multiple 12 volt rail power supply in a very high-powered computer then you may have to deal with rail balancing problems. Reply to ko888 NojjHDec 19, 2013, 11:41 PM ko888 said: NojjH said: I'm looking at the XFX Radeon HD 7970 http://www.scan.co.uk/products/3gb-xfx-radeon-hd-7970-dd-edition-with-ghost-thermal-5500mhz-gddr5-28nm-gpu-925mhz-2048-cores-hdmi-m and I have a 700w Storm Super Silent PSU: http://www.scan.co.uk/products/700w-storm-silent-lpk19-35-quiet-fan-eps-12v-atx-v22-psu Any more than that, and it will be violating the 6-pin, 8-pin and PCIe slot power capabilities. The aux power cable A cable you're not likely to run into is the 6 pin aux connector.

One more LUL and I'm out Has the original Fantastic Beasts book been pulled off shelves? So I could either use one rail or split it to two? Myth Busted. So if each rail was at max load it could only provide 12A per rail.

grunion's link is a good overview of the whole situation. Multiple 12V Rails Single 12V rail or multiple 12V rails? Obviously, there could be potential issues with a hard 20A cutoff. Reply to Anas Bashar NojjHDec 19, 2013, 7:59 PM So if I had 2 12v rails at 30A each, but a GPU required 42A, would that mean it'll balance it out

Past 5 amps you could literally use the P/S to perform welding, hence most P/S use multible rails to split the current making it "somewhat" safer for the end user. 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 Assume you have a 4870x2, the current most power hungry GPU. At the rated specification the PSU should be fine for power delivery.

The GTX 780 has a power draw of 250W(20.83A) so even if you use two connectors from the same rail the motherboard is picking up some of that load on a All Rights Reserved Tom's Hardware Guide ™ Ad choices Articles & News Forum Graphics & Displays CPU Components Motherboards Games Storage Overclocking Tutorials All categories Chart For IT Pros Get

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