We sell special PCMCIA,PCI, PCIe, PCI Low Profile, PCIe Low Profile, Mini PCI Express & EXPRESS I/ O card for laptops and desktops, including RS232 / RS422 / RS485 / Parallel / USB / 1394a / 1394b and SATA. If you have any special requirement and need a special design card, we can design for you as we have R& D department in UK. We also have office in Nottingham, UK, If you have any problems, you are welcome to contact us. Our qualified and experienced engineers will be glad to help!http://www.pridopia.co.uk