StarTech 4-Port PCI RS232 Serial Adapter Card

A compact PCI board with four DB9 RS‑232 ports powered by a MosChip MCS9845 UART, delivering up to 921 kbps. It offers plug‑and‑play compatibility across Windows, Linux, macOS and embedded OSes.

Brand: STARTECH.COM
Model: PCI4S550N
MPN: PCI4S550N
SKU: PCI4S550N
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Certification CE, FCC, RoSH
Chipset MosChip MCS9845
Connectivity technology Wired
Depth 120 mm
Host interface PCI
I/O ports 4 - DB9 M
Internal Yes
Linux operating systems supported Yes
Mac compatibility Yes
Output interface Parallel
Package depth 143 mm
Package Height 31 mm
Package width 173 mm
RoHS compliance Yes
Serial interface type RS-232
Supported data transfer rates 921000 Kbits/S
Weight 204 g
Width 20 mm