SIIG One 9-pin Serial (16950 UART) x1 PCI Express Card Model JJ-E10011-S3 Type: PCI Express to Serial Port Card External Ports: One 9-pin RS232 Serial Port Specifications: Regulatory approval(s): FCC Class B (DoC) & CE RoHS-compliant Chipset: SIIG CyberPro, v3.0, (Oxford OxPCIe952) Compliant with PCI Express Base Specification Revision 1.0a Built-in 128-byte FIFO buffers dramatically increase data transmit/receive speed, especially under Windows multitasking environment 4-layer PCB board: separate layers for data & grounding. Greatly reduces signal noise & loss. Delivers more reliable high-speed data transfers Enhanced bracket design to prevent bending. Connected to PCB with washered screws for a more secure connection Parts: 1 year limited Labor: 1 year limited