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| PartNumber | PXB4387ELV21 S LLF2 | PXB4387ELV21D S LLF3 | PXB4389EL S LLF4 |
| Description | Network Controller & Processor ICs NTWK PROC | Network Controller & Processor ICs NTWK PROC | Network Controller & Processor ICs NTWK PROC |
| Manufacturer | Intel | Intel | Broadcom Limited |
| Product Category | Network Controller & Processor ICs | Network Controller & Processor ICs | Network Controller & Processor ICs |
| RoHS | Y | Y | - |
| Series | GRX300 | GRX300 | - |
| Packaging | Tray | Tray | - |
| Brand | Intel | Intel | Broadcom |
| Product Type | Network Controller & Processor ICs | Network Controller & Processor ICs | Network Controller & Processor ICs |
| Factory Pack Quantity | 600 | 600 | 1 |
| Subcategory | Communication & Networking ICs | Communication & Networking ICs | Communication & Networking ICs |
| Tradename | AnyWAN | AnyWAN | - |
| Part # Aliases | 946580 | 946582 | - |