SIIG PCIe Card w/ 2 Serial and 1 Parallel Port Model JJ-P21211-S1 Type: PCI to Parallel / Serial Port Card External Ports: 2 serial and 1 parallel port Data Transfer Rate: Serial: Supports up to 16Mbps Dimensions: 3 (W) x 4.75 (H) x 0.875 (D) Weight: 0.3 Package Contents: Cyber 2S1P PCIe 2-port serial connector bracket Driver CD User's manual