Whether you are seeking for a good network adapter for further application? Link Dream 32Bit PCI InnerInterface 4-Port Serial Card Black is compliant with PCI-express revision with a high-speed controller. It supports any device featured with 4-port PCI interface. Employing advanced technology together with zinc alloy and plastic materials, this serial card is durable for long-term use. What is more, fast datatransmissionrate is up to 1.5 Mbytes/sec, which will make your device perform well. Easy to install this device on various systems and it will do a great favor!                                    Features            It adopts high-speed controllerMade with the latest technology, durable and reliablePlug and play. It can automatically distribute IRQ and 1/O addressFast data rate goes up to 1.5 Mbytes/secSupport 32bit 4-port PCI interfaceIt is also applicable to Windows Vista/XP/2000 LinuxIt allows a device to connect with series ports                                                            Specifications             Brand     Link Dream     <br>
 Transmission Rate     1.5 Mbytes/sec    <br>
 Transmission Speed     Max 1 Mbytes/sec    <br>
 Interface     4-Port（9pin D-Sud Male）    <br>
 Driver Tempt     0℃~55℃    <br>
 Driver Humidity     10%~90%    <br>
 Material     Zinc Alloy & Plastic    <br>
 Color     Black    <br>
  Weight     3.35oz / 95g    <br>
 Dimensions     (4.72 x 4.72 x 0.71)" / (12.0 x 12.0 x 1.8)cm (L x W x H)    <br>
 Support Mode     SPP/SP2/EPP/ECP     <br>
 Supports Windows     Windows Vista/XP/2000  Linux    <br>
 Inner Interface     32Bit PCI    <br>
 Outer Interface     Standard RS232 V24     <br>
                                                             Package Includes            1 x PCI  Four Serial Card<br>
1 x Driver CD<br>