SIIG JJ-E20311-S1 is a versatile and powerful PCI Express card that enhances your computer's connectivity options. With one 16C650 UART serial port, it allows for data transfer rates up to 250Kbps. Compliant with PCI Express 2.0 Gen 1 and IEEE 1284-1994 parallel port standards, this card ensures compatibility with a wide range of devices. Its single-lane (X1) PCI Express End-point Controller with integrated PHY provides efficient data transfer.