The DeLock 90410 expansion card adds four external RS-232 DB9 serial ports to a computer via a PCI Express x1 slot. It supports data transfer rates of up to 115.2 Kbps and connects devices such as scanners, protocol converters, and IoT devices. The included low-profile brackets also allow installation in a Mini PC.

• Card type: PCI Express expansion card
• Connection: PCI Express x1, version 1.1
• Ports: 4 RS-232 DB9 serial ports
• Data transfer rate: Up to 115.2 Kbps
• Chipset: WCH CH384L
• Compatible UARTs: 16C550, 16C552, 16C554
• FIFO: 256 bytes
• Data bits: 5, 6, 7, 8
• Stop bits: 1, 2
• Parity: Even, odd, none, mark, space
• Flow control: None, hardware RTS / CTS, software XON / XOFF
• Operating temperature: -40 °C to 85 °C
• Relative humidity: 0–95% non-condensing
• Dimensions: Approx. 82 x 61 x 16 mm
• System requirements: Linux Kernel 3.18 or later, Windows Server 2012 R2/Server 2016, Windows 7/7-64/8.1/8.1-64/10/10-64/11, a computer with one available PCI Express slot and one rear slot
• Package contents: PCI Express card, 4 low-profile brackets, driver CD, user manual