Motherboard
From HwB
Different form factors of motherboards:
| Form-factor | Size (mm) | Area (cm2) | Comments |
|---|---|---|---|
| AT | 271 x 305 | 827 | Introduced 1984, by IBM |
| Baby-AT | 220 x 330 | 726 | Introduced 1985, by IBM |
| ATX | 244 x 305 | 744 | Introduced 1995, by Intel |
| EBX | 146 x 203 | 296 | |
| Mini-ITX | 170 x 170 | 289 | Introduced January 2007, by VIA |
| DTX | 200 x 244 | 488 | Introduced January 2007, by AMD |
| Mini-DTX | 200 x 170 | 340 | Introduced January 2007, by AMD |
| EPIC | 115 x 165 | 190 | |
| Nano-ITX | 120 x 120 | 144 | Introduced March 2003, by VIA |
| ETX | 95 x 114 | 108 | |
| PC/104 | 90 x 96 | 86 | |
| mobile-ITX | 75 x 45 | 34 | Introduced June 2007, by VIA |
| Pico-ITX | 100 x 72 | 72 | Introduced January 2007, by VIA |
| microATX | 244 x 244 | 595 | |
| FlexATX | 229 x 191 | 437 | |
| picoBTX | 267 x 203 | 542 | BTX=Balanced Technology Extended |
| microBTX | 267 x 264 | 705 | BTX=Balanced Technology Extended |
| BTX | 267 x 325 | 868 | BTX=Balanced Technology Extended |