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

Siig

Compare today's prices on the "Siig JJ-P04621-S7 interface cards/adapter Internal Serial".

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Last Updated: 01/04/2026
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Product Description

Compare today's prices on the "Siig JJ-P04621-S7 interface cards/adapter Internal Serial".

SIIG DP Quartet Serial 550 PCI

This internal serial adapter from SIIG provides a straightforward way to add four reliable RS232 9-pin serial ports to your desktop computer. Whether you are connecting legacy industrial equipment, barcode scanners, point-of-sale terminals, or serial-based modems, the DP Quartet eliminates the hassle of USB adapters by delivering direct, stable COM port connections through a single PCI slot. It is an ideal choice for users who require multiple serial interfaces without compromising system performance or compatibility.

- Four independent 9-pin RS232 serial ports on one PCI card

- High-performance 550 UART with 128-byte FIFO buffers reduces CPU overhead

- Plug-and-play installation with automatic IRQ and I/O address assignment

- Supports data transfer rates up to 460.8 Kbps for fast serial communication

- Compatible with Windows, Linux, and DOS operating systems

- Includes low-profile bracket for use in smaller chassis

- Robust design ensures reliable long-term operation in demanding environments

Simplify your workstation setup with the SIIG DP Quartet Serial 550 PCI – a dependable solution for expanding serial connectivity.

GTIN: 0662774008752