The Solflower PCI-e16SRL-2CN Serial Adapter allows 8 to 16 serial devices to be connected to a host system with 1x (or wider) PCI Express slot. The Serial Port Adapter can operate simultaneously with each port's error-free data rate up to 15 Mbps for all 8 through 16 ports. The Serial Port Adapter and its Driver are designed to work with SPARC Solaris, X86 Solaris, Window 98 - XP, Linux Operating System.