The Delock Mini PCIe I/O expansion card is a full-size card that provides 4 × RS-232 serial ports (D-Sub 9-pin male) and 1 × parallel port (D-Sub 25-pin female). It is based on the WCH382L chipset and is a Mini PCI Express module (full size) (Mini PCIe Rev. 1.2). The card includes internal connectors (4×10-pin and 1×26-pin) for routing the ports to brackets or internal connectors.

• Supports speeds of up to 460.8 kbps on the serial ports
• 256-byte FIFOs per channel
• Compatible IEEE 1284 parallel modes (SPP, PS/2, EPP, ECP)
• Typical uses: printers, scanners, and modems
• Operating system support: Windows 10, Windows 11, and Windows Server 2022