| PartNumber | 2057021-1 | 2057001-1 | 2057042-1 |
| Description | I/O Connectors SFP+ 1x1 Cage Assy Short Solder Tail | I/O Connectors 1x3 QSFP Cage Assy LP Thru Bzl | I/O Connectors 1x3 QSFP Kit Assy LP&HS PCI |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | I/O Connectors | I/O Connectors | I/O Connectors |
| RoHS | Y | Y | Y |
| Product | Accessories | - | QSFP Connectors |
| Number of Positions | 1 Position | - | 3 Position |
| Voltage Rating | 120 V | - | - |
| Contact Plating | Tin over Nickel | - | - |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Termination Style | Solder Tail | - | Press Fit |
| Series | SFP+ | - | - |
| Packaging | Tray | - | Bulk |
| Accessory Type | Cage Assembly | - | - |
| Housing Material | Nickel Silver | - | - |
| Brand | TE Connectivity / AMP | TE Connectivity | TE Connectivity / AMP |
| Contact Material | Copper Alloy | - | Nickel Silver |
| Maximum Operating Temperature | + 105 C | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Product Type | I/O Connectors | I/O Connectors | I/O Connectors |
| Factory Pack Quantity | 144 | 0 | 16 |
| Subcategory | I/O Connectors | I/O Connectors | I/O Connectors |
| Part # Aliases | 2057021-1 | 2057001-1 | 2057042-1 |
| Color | - | - | Gray |
| Number of Ports | - | - | 3 |