Mif Posted October 14, 2013 Share Posted October 14, 2013 I just purchased one of the new 750D's to use as a replacement for the overkill 900D based on the fact that it states it supports E-ATX motherboards. Well it arrived today, and I am extremely disappointed to learn that the fixed "mound" standoffs that are in the case are completely in the wrong location for any Dual Xeon E5-26XX series motherboard. From my searching, there is NO E-ATX board that can use these mounting holes, as they just don't line up right. If it had been designed with screw mounts and removable standoffs, it would totally support all these E-ATX boards. What gives with the "supports E-ATX" listed here?: http://www.corsair.com/en/pc-cases/obsidian-series-pc-case/obsidian-series-750d-full-tower-atx-case.html Link to comment Share on other sites More sharing options...
Administrators Technobeard Posted October 15, 2013 Administrators Share Posted October 15, 2013 Which motherboard do you have? Link to comment Share on other sites More sharing options...
peanutz94 Posted October 15, 2013 Share Posted October 15, 2013 Usually dual CPU server boards are not E-ATX. Are you sure thats what it is? My E-ATX board uses all the standard Intel mounting positions. Link to comment Share on other sites More sharing options...
Mif Posted October 15, 2013 Author Share Posted October 15, 2013 Any Workstation grade E-ATX board I have looked at from Supermicro and ASUS that are specifically listed as E-ATX, 12x13 have different hole patterns that will not work. Link to comment Share on other sites More sharing options...
peanutz94 Posted October 15, 2013 Share Posted October 15, 2013 Again, what board are you using? If they are listed as E-ATX then the hole spacing is standard. There are not different patterns for different E-ATX boards. All of ASUS workstation boards are either EEB or CEB form factor with the exception of the P7P55WS M board which is standard ATX. http://www.asus.com/us/Commercial_Servers_Workstations/Workstation_Motherboards_Products/ Some of Supermicro are EE-ATX as well as E-ATX with the EE being differnt than E-ATX. But their E-ATX boards use the standard mounting positions and will fit that case. Link to comment Share on other sites More sharing options...
JP_B Posted September 30, 2015 Share Posted September 30, 2015 Sorry to revive an old thread, but does the Corsair 750D case support the SuperMicro X10DAi E-ATX Motherboard? It's a true 12"x13" E-ATX board. Not only do the offsets not line up, but the fixed center peg that normally centers a motherboard does not line up either. Can you please confirm if this motherboard indeed works with the case? Thanks Link to comment Share on other sites More sharing options...
Corsair Employees Corsair Dustin Posted October 1, 2015 Corsair Employees Share Posted October 1, 2015 They're calling it Extended ATX but it doesn't use any standard ATX mount spacing, so no, it won't be compatible. Link to comment Share on other sites More sharing options...
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