PCIE 2 Port Serial Expansion Card PCI for Express PCI-E to Industrial DB9 Serial RS232 COM Port Adapter Wch CH382L pci-e adapter cardFeatures:brand new and The PCI-Express I/O card uses the latest PCI-Express interface as the expansion bus, the standard interface of which the most common PC desktop system in the market is widely used.Expand the system with 2 additional serial ports for connecting their external peripheral devices.This PCI-Express I/O card offers superior performance and unmatched data transfer rates, which is also an for ideal solution for the industrial automation applications.Speed: Single-Lane(x1) PCI-Express with throughput up to 2.5Gbps.Supports for 10/ 98 2000/ xp/ for bit, and linux.Specifications:Product name: Pci-E to RS232 Serial Port CardNumber of interfaces: 2 RS232 Serial ports Applicable slot: PCI-EBus bandwidth: about 2.5Gb/sProduct size: approx 120x80x67mm/ 4.72x 3.15x 2.64 inSerial Port(RS-232) Interface.Chipset: Wch CH382L ChipPackage Includes:1PC x PCIe CardNote:The colors deviation might differ due to different monitor settings, please kindly understand.There might be little error of size for manual measurement.