StarTech PCI2S550_LP Dual Serial PCI Card – Low Profile RS‑232 Adapter

Add two reliable RS‑232 serial ports to any desktop PC with this StarTech PCI2S550_LP expansion card. Ideal for connecting legacy devices, industrial equipment, or POS systems, this low‑profile PCI adapter delivers stable communication and full compatibility with Windows and Linux systems.

🛠️ Key Features

• Dual DB9 serial ports (one onboard, one via ribbon cable)

• Low‑profile PCI design – fits compact desktops and SFF systems

• MOSCHIP MCS9835CV‑CC chipset for dependable performance

• Supports 16C550 UART with up to 115.2 kbps data transfer

• Plug‑and‑play installation with included drivers

• RoHS compliant and FCC/CE certified

🔧 Applications

• Connect barcode scanners, receipt printers, or CNC controllers

• Restore serial connectivity on modern PCs

• Perfect for technicians, retro‑computing enthusiasts, and industrial setups

🔧 Specifications

• Brand: StarTech.com

• Model: PCI2S550_LP

• Interface: PCI (Low‑Profile)

• Ports: 2 × DB9 RS‑232 Serial Ports

• Chipset: MOSCHIP MCS9835CV‑CC

• UART Support: 16C550 Compatible

• Data Transfer Rate: Up to 115.2 kbps

• Operating Systems: Windows XP – 11, Linux

• Compliance: RoHS, FCC, CE Certified

• Form Factor: Low‑Profile Bracket Included

• Condition: Refurbished – Fully Tested

• Country of Manufacture: Taiwan

• Applications: POS systems, industrial controllers, legacy hardware connectivity