AMD Promontory FCH is the new southbridge to replace the older B950 seen with the AMD 900 series chipsets. The logic varies with the A320, B350 and X370 and the CPU installed.
.The AMD Promontory FCH is very highly integrated. The image shows the maximum configuration.
- USB 3.1, 3.0, 2.0
- SATA Express
- SATA III
The new logic is well suited to the more highly integrated APU and CPU with socket AM4. AM4 has more direct attached hardware so the supplemental hardware is simplified considerably.
Depending on the motherboard options standard ATX boards can be equipped with several slots for dual video cards and still have an available lane for the 10GBASE-T card.