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| PartNumber | 1658390-1 | 1658390-2 | 1658391-1 |
| Description | I/O Connectors 2 X 4 SFP CAGE PRESS FIT | I/O Connectors SFP CAGE AND PT ASSY PRESS FIT 2X4 | I/O Connectors 2 X 1 SFP CAGE PRESS FIT |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | I/O Connectors | I/O Connectors | I/O Connectors |
| RoHS | Y | Y | Y |
| Product | Infiniband Connectors | - | Infiniband Connectors |
| Gender | Female | - | Female |
| Number of Positions | 8 Position | - | 2 Position |
| Contact Plating | Gold | - | Gold |
| Mounting Style | Press Fit | - | Press Fit |
| Mounting Angle | Right | - | Right |
| Packaging | Tray | - | Tray |
| Color | Black | - | Black |
| Features | SFP Stacked 2 x 4, Lubricated Contacts | - | SFP Stacked 2 x 1, Lubricated Contacts |
| Housing Material | Liquid Crystal Polymer (LCP) | - | Liquid Crystal Polymer (LCP) |
| Brand | TE Connectivity / AMP | TE Connectivity | TE Connectivity / AMP |
| Contact Material | Copper Alloy | - | Copper Alloy |
| Flammability Rating | UL 94 V-0 | - | UL 94 V-0 |
| Product Type | I/O Connectors | I/O Connectors | I/O Connectors |
| Factory Pack Quantity | 12 | 12 | 24 |
| Subcategory | I/O Connectors | I/O Connectors | I/O Connectors |
| Part # Aliases | - | 1658390-2 | - |
| Unit Weight | - | - | 0.640011 oz |