| 标准主板尺寸种类（摘录） | |
| 摘自《电脑按爱好者》2010年11期 P104 | |
| 命名 | 尺寸 |
| ATX | 12英寸x9.6英寸或305mm X 244mm |
| EATX | 12英寸x13英寸或305mm X 330mm |
| Mini-ATX | 11.2英寸x8.2英寸或284mm X 208mm |
| Micro-ATX | 9.6英寸x9.6英寸或244mm X 244mm |
| | |
| BTX | 最长325.12mm |
| Micro-BTX | 10.40英寸x10.50英寸或246.16mm X 226.70mm |
| DTX | 203mm x 244mm |
| | |
| Mini-ITX | 170mm x 170mm |
| Nano-ITX | 120mm x 120mm |
| Pico-ITX | 100mm x 72mm |
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