The Conceptronic PCI Express Card 4-Port RS232 (DB9) Adapter expansion card adds 4 serial RS-232 ports to your computer via PCIe.

Key features:

• Host interface: PCIe
• Output: RS-232
• Standard: PCIe 2.0
• FIFO: 256 B
• Supported operating systems: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise
• Dimensions: 85 x 69 x 3 mm
• Weight with packaging: 0.250 kg
• Country of origin: China
• Manufacturer code: PEX4S552B
• Model: EMRICK12B

The design with a single chip reduces the processor load by 48% compared to traditional bridge-chip cards. Standard and low-profile brackets are included.