Siig JJ-P04621-S7 interface cards/adapter Internal Serial

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SIIG DP Quartet Serial 550 PCI (JJ-P04621-S7) - Internal Serial Interface Card / Adapter

This PCI interface card from SIIG is an excellent solution for expanding your system’s serial connectivity. Designed to add four additional 9-pin RS232 serial ports, it allows you to connect multiple serial-based devices such as barcode scanners, receipt printers, modems, and industrial equipment simultaneously. The DP Quartet Serial 550 PCI delivers reliable, full-duplex communication at speeds up to 550 kbps per port, making it a powerful choice for both legacy and modern serial applications where stable, high-performance data transfer is essential.

- Adds four 9-pin RS232 serial ports via a single PCI slot

- Supports data transfer speeds up to 550 kbps per port for efficient communication

- Fully plug-and-play with automatic IRQ and I/O address assignment

- Compatible with a wide range of operating systems including Windows and Linux

- Low-profile bracket included for installation in slimline or small-form-factor systems

- Uses industry-standard 16550-compatible UARTs with 16-byte FIFO buffers to reduce CPU overhead

- Ideal for point-of-sale, industrial automation, and laboratory environments

Designed with durability and ease of use in mind, this card offers a straightforward way to upgrade your PC’s serial capabilities without complicated setup.

GTIN: 72090525749