| PartNumber | 6450129-1 | 6450129-2 | 6450129-3 |
| Description | Power to the Board MBXL R/A HDR STR 2ACP | Power to the Board MBXL R/A HDR STR 3P | Power to the Board MBXL R/A HDR STR 4P |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity AMP Connectors |
| Product Category | Power to the Board | Power to the Board | Backplane Connectors - Specialized |
| RoHS | Y | Y | - |
| Product Type | Power to the Board | Power to the Board | - |
| Packaging | Bulk | - | Bulk |
| Brand | TE Connectivity / AMP | TE Connectivity | - |
| Factory Pack Quantity | 77 | 77 | - |
| Subcategory | Power Connectors | Power Connectors | - |
| Tradename | MULTI-BEAM | - | - |
| Part # Aliases | 6450129-1 | 6450129-2 | - |
| Color | - | - | - |
| Series | - | - | MULTI-BEAM XL |
| Termination | - | - | Solder |
| Mounting Type | - | - | Through Hole, Right Angle |
| Features | - | - | Board Lock, Latches |
| Connector Type | - | - | Header, Male Blades |
| Contact Finish | - | - | Gold |
| Contact Layout Typical | - | - | 4 Power |
| Contact Finish Thickness | - | - | 30μin (0.76μm) |
| Number of Positions | - | - | 4 |
| Number of Positions Loaded | - | - | All |
| Pitch | - | - | - |
| Number of Rows | - | - | 1 |
| Connector Style | - | - | Multi-Beam |
| Connector Usage | - | - | - |
| Number of Columns | - | - | - |