SYBA PCI-Express 4-Port DB9 Serial (RS-232) Card with Fan-Out Cable, Asix99100 Chipset Model SI-PEX15056 Type: PCI to Serial Port Card Internal Ports: 4 x DB9 Serial (RS-232) Data Transfer Rate: 25 Mbps/port Operating Systems Supported: Windows 7, 8, 10, Linux Kernal 2.6.15 , Android 1.x-5.x Package Contents: 1 x PCI/PCIe RS-232 1 x Driver CD 1 x User Manual 1 x Low Profile Bracket 1 x Fan out Cable