pcie expansion cards

Lekuo’s SouthBridge Max PB65MX3 is an unusual PCIe add-in card that uses AMD’s B650-class Promontory 21 I/O controller to turn one PCIe 4.0 x4 slot into four M.2 NVMe positions, four SATA ports, two 10Gbps USB-A ports, 10Gbps USB-C, and 20Gbps USB-C. The practical catch is simple: all of that...