| PartNumber | 10126366-12JLF | 10126366-101LF | 10126366-11JLF |
| Description | High Speed / Modular Connectors 4-Pair, 10 column, 140 position, Vertical Header, Left Guide Pin | High Speed / Modular Connectors ExaMAX 4x10 RAR Header | High Speed / Modular Connectors 4-Pair, 10 column, 140 position, Vertical Header, Right Guide Pin |
| Manufacturer | FCI / Amphenol | FCI / Amphenol | FCI / Amphenol |
| Product Category | High Speed / Modular Connectors | High Speed / Modular Connectors | High Speed / Modular Connectors |
| Series | ExaMAX | ExaMAX | ExaMAX |
| Brand | Amphenol FCI | Amphenol FCI | Amphenol FCI |
| Product Type | High Speed / Modular Connectors | High Speed / Modular Connectors | High Speed / Modular Connectors |
| Subcategory | Backplane Connectors | Backplane Connectors | Backplane Connectors |
| Tradename | ExaMAX | ExaMAX | ExaMAX |
| Part # Aliases | 1012636612JLF | 10126366101LF | 1012636611JLF |
| Product | - | Headers | - |
| Number of Positions | - | 140 Position | - |
| Number of Rows | - | 10 Row | - |
| Pitch | - | 2 mm | - |
| Termination Style | - | Press Fit | - |
| Contact Plating | - | Tin | - |
| Packaging | - | Tube | - |
| Housing Material | - | Thermoplastic (TP) | - |
| Mounting Angle | - | Straight | - |
| Contact Material | - | Copper Alloy | - |
| Factory Pack Quantity | - | 280 | - |