Posted June 8 Does anyone here happen to know if the hole placement for E-ATX motherboards or other varieties of nonstandard large motherboards is the same as it is for ATX motherboards? Current PC: CPU Intel i9-12900KS Motherboard Asus Rog Maximus Z690 Hero RAM Corsair Vengeance DDR5-6600 MT/s, 2 x 16GB, (CL32-39-39-76, 1.40V), CMK32GX5M2X6600C32 for gaming or G.Skill Ripjaws DDR5-6000 MT/s, 2 x 32GB, (CL30-40-40-96, 1.40V), F5-6000J3040G32GX2-RS5K for heavy multitasking GPU Aorus Xtreme Waterforce RTX 3090 TI Case Corsair 7000D Airflow Storage 2 x 2TB WD Black sn850 SSDs PSU EVGA Supernova 1600W P2, Fully Modular Display(s) 34" 1900R Alienware AW3418DW Black, 32" Samsung Odyssey G7 240Hz Cooling Arctic Liquid Freezer ii 420, Built in 360mm gpu rad, 7 x 140mm Noctua NF-A14's (4 used as full case fan set, 3 used to upgrade CPU rad fans), 4 x 120mm Noctua NF-F12's (3 used to upgrade GPU rad stock fans, 1 used to fill last remaining case fan slot) Keyboard Fidio Mechanical Gaming Keyboard Mouse Asus Rog Spatha X Sound SteelSeries Arctis Pro + Game DAC Wired Headset Operating System Windows 11 Pro PCPartPicker URL https://pcpartpicker.com/list/r2JNpH Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted June 8 Depends on the motherboard. Most of them are, yes, but when you get to some of the comically large boards like the ROG Dominus Extreme or EVGA Classified SR2 then they can start using extra non-ATX screws and form factors like SSI-EEB. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted June 8 Yes, the main difference is typically that the board itself is wider than a standard ATX board. The issue with eATX and other larger motherboard sizes is that until you get up to SSI-EEB, CEB, and MEB, there's basically no standardization whatsoever in terms of dimensions, so some cases will fit some eATX boards but not others. There is very little consistency for motherboards between ATX and SSI-EEB. https://www.gamersnexus.net/guides/3566-e-atx-is-a-lie-vs-xl-atx-eeb-ceb Quote or tag me( @Crunchy Dragon) if you want me to see your reply If a post solved your problem/answered your question, please consider marking it as "solved" Community Standards // Join Floatplane! Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted June 8 2 minutes ago, RONOTHAN## said: Depends on the motherboard. Most of them are, yes, but when you get to some of the comically large boards like the ROG Dominus Extreme or EVGA Classified SR2 then they can start using extra non-ATX screws and form factors like SSI-EEB. Those boards are listed as EEB and HPTX respectively. They are not listed as E-ATX. Even though E-ATX is not a defined size the manufacturers use it to indicate that the screw holes are the same as ATX with the board being wider. Gaming Room Office PC Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted June 8 Author 3 minutes ago, RONOTHAN## said: Depends on the motherboard. Most of them are, yes, but when you get to some of the comically large boards like the ROG Dominus Extreme or EVGA Classified SR2 then they can start using extra non-ATX screws and form factors like SSI-EEB. so, in those edge cases do you think at least 3 or 4 holes might match up or would the layout be completely different? Current PC: CPU Intel i9-12900KS Motherboard Asus Rog Maximus Z690 Hero RAM Corsair Vengeance DDR5-6600 MT/s, 2 x 16GB, (CL32-39-39-76, 1.40V), CMK32GX5M2X6600C32 for gaming or G.Skill Ripjaws DDR5-6000 MT/s, 2 x 32GB, (CL30-40-40-96, 1.40V), F5-6000J3040G32GX2-RS5K for heavy multitasking GPU Aorus Xtreme Waterforce RTX 3090 TI Case Corsair 7000D Airflow Storage 2 x 2TB WD Black sn850 SSDs PSU EVGA Supernova 1600W P2, Fully Modular Display(s) 34" 1900R Alienware AW3418DW Black, 32" Samsung Odyssey G7 240Hz Cooling Arctic Liquid Freezer ii 420, Built in 360mm gpu rad, 7 x 140mm Noctua NF-A14's (4 used as full case fan set, 3 used to upgrade CPU rad fans), 4 x 120mm Noctua NF-F12's (3 used to upgrade GPU rad stock fans, 1 used to fill last remaining case fan slot) Keyboard Fidio Mechanical Gaming Keyboard Mouse Asus Rog Spatha X Sound SteelSeries Arctis Pro + Game DAC Wired Headset Operating System Windows 11 Pro PCPartPicker URL https://pcpartpicker.com/list/r2JNpH Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted June 8 2 minutes ago, cleric_warlock said: so, in those edge cases do you think at least 3 or 4 holes might match up or would the layout be completely different? The standard 9 screw holes should line up, there are just 3 that are different. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted June 8 Usually EATX are just wider than ATX ... rarely they're also a bit longer vertically, maybe one extra slot worth of vertical space Majority of motherboards will keep the screw holes in the same locations as ATX and have extra screw holes on the right edge, but you can use nylon spacers or other methods to make sure the board doesn't flex and touches the metal of the case. Just be sure the motherboard doesn't have bumps or some stupid shapes to the back plate that could block the motherboard. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted June 8 Author 2 minutes ago, RONOTHAN## said: The standard 9 screw holes should line up, there are just 3 that are different. awesome, so even if the mount isn't perfect it looks like even those larger nonstandard boards will be securable to my testbench Current PC: CPU Intel i9-12900KS Motherboard Asus Rog Maximus Z690 Hero RAM Corsair Vengeance DDR5-6600 MT/s, 2 x 16GB, (CL32-39-39-76, 1.40V), CMK32GX5M2X6600C32 for gaming or G.Skill Ripjaws DDR5-6000 MT/s, 2 x 32GB, (CL30-40-40-96, 1.40V), F5-6000J3040G32GX2-RS5K for heavy multitasking GPU Aorus Xtreme Waterforce RTX 3090 TI Case Corsair 7000D Airflow Storage 2 x 2TB WD Black sn850 SSDs PSU EVGA Supernova 1600W P2, Fully Modular Display(s) 34" 1900R Alienware AW3418DW Black, 32" Samsung Odyssey G7 240Hz Cooling Arctic Liquid Freezer ii 420, Built in 360mm gpu rad, 7 x 140mm Noctua NF-A14's (4 used as full case fan set, 3 used to upgrade CPU rad fans), 4 x 120mm Noctua NF-F12's (3 used to upgrade GPU rad stock fans, 1 used to fill last remaining case fan slot) Keyboard Fidio Mechanical Gaming Keyboard Mouse Asus Rog Spatha X Sound SteelSeries Arctis Pro + Game DAC Wired Headset Operating System Windows 11 Pro PCPartPicker URL https://pcpartpicker.com/list/r2JNpH Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
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