How many rails should I use Tags: Video Cooler Master Connection Graphics Cards Windows XP Last response: January 19, 2011 10:10 PM in Windows XP Share gbusbee January 19, 2011 7:00:05 PM Hi, I have a cooler master 650w PSU with 49 amps on the 12 volt rails. My video card requires two seperate molex connectors. Should I connect one rail or connect two seperate rails to the video card? thanks, Grady More about : rails Emerald a b U Graphics card January 19, 2011 9:26:41 PM Are you running two video cards? if you only run one, your PSU should have two PCI-E connectors. if you run two video cards and require more then two PCI-E connecters, you can connect the molex to any of the molex connectors coming from the PSU since your PSU only has one Rail m 0 l gbusbee January 19, 2011 10:10:00 PM 1 video card! 2 molex connections on the card (AGP) Should I connect 1 rail, or two rails. I have two 12V rails available on my PSU and I connect my HDD and optical drives with SATA. m 0 l Can't find your answer ? Ask ! Publish Related resources How many +12v rails should I have? Forum SolvedWhat PSU should I use on my build?(how many watts and what brand) Forum SolvedHow many fans should I use? Forum SolvedHow many watts should I use? Forum SolvedHow to use the capacity of the 4x +12V multi rails +12V capacity on a Gigabyte Superb E720 PSU? Forum How Many Case Fans Should I Use? Forum How many banks of memory should I optimally use? Forum SolvedHow do I know how many 12 volt rails are on my computer? Forum SolvedHow many cores does minecraft use? Forum SolvedHow Many Displays Should I Get? Forum SolvedHow many case fans should I get? Forum SolvedHow many partitions should I create for 256GB SAMSUNG? Forum SolvedHow many fans should I put for that Pc? Forum SolvedHow many fans should I consider for this PC plan? Forum Solvedhow many watts should the power supply be? Forum SolvedHow many fans should i get? Forum SolvedWhich Monitors Should I Choose and How Many? Forum SolvedHow many watts will this build use? Forum SolvedHow many fps should I be getting Forum SolvedHow many watts will my build use average Forum More resources Read discussions in other Windows XP categories Configuration Customization Drivers Security Video !