Intel® Xeon® D-1500 Family
6U VPX SBCs Product Comparison
| Product Info |  XCalibur4640 |
 XCalibur4643 |
 XCalibur4646 |
|
|---|---|---|---|---|
| Form Factor | 6U VPX | 6U VPX | 6U VPX | |
| Default Processor | Intel® Xeon® D-1500 | Intel® Xeon® D-1500 | Intel® Xeon® D-1500 | |
| Rugged Level | 1 – Standard Commercial Air-Cooled, 3 – Rugged Air-Cooled, 5 – Rugged Conduction-Cooled | 1 – Standard Commercial Air-Cooled, 3 – Rugged Air-Cooled, 5 – Rugged Conduction-Cooled | 1 – Standard Commercial Air-Cooled, 3 – Rugged Air-Cooled, 5 – Rugged Conduction-Cooled | |
| Memory | 32 GB DDR4 | 32 GB DDR4 | 32 GB DDR4 | |
| Mezzanines | 2 XMC/PMC | 2 XMC/PMC | 2 XMC | |
| Ethernet | 3 10/100/1000BASE-T, 2 10GBASE-KR, 4 10GBASE-KX4 | 3 10/100/1000BASE-T, 2 1000BASE-BX, 2 10GBASE-KX4 | 3 10/100/1000BASE-T, 2 10GBASE-KR | |
| USB | 1 USB 2.0, 2 USB 3.0 | 1 USB 2.0, 2 USB 3.0 | 1 USB 2.0, 2 USB 3.0 | |
| SATA | 4 SATA 6 Gb/s | 4 SATA 6 Gb/s | 4 SATA 6 Gb/s | |
| Serial | 1 RS-232, 5 RS-232/422/485 | 1 RS-232, 5 RS-232/422/485 | 1 RS-232, 4 RS-232/422/485 | |
| Flash | 64 GB NAND, 32 MB NOR | 64 GB NAND, 32 MB NOR | 64 GB NAND, 32 MB NOR | |
| Configurable FPGA | - | AMD (formerly Xilinx) Kintex® UltraScale™ | Microsemi SmartFusion®2 | |
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