M2 to 8-Port RS232 Serial Expansion Card Riser — Supports M2 NVME B+M Keys, High-performance Chip EXAR 17V358

Expansion riser that converts an M2 NVME B+M Keys slot into eight RS232 serial ports. Uses the high-performance EXAR 17V358 chip to manage the serial interfaces. Core specifications: M2 to 8 Port RS232; Support M2 NVME B+M Keys; High-performance Chip EXAR 17V358; Expansion card riser form factor.