Sunix - SER5056A - Serial Board 4-Port RS-232 PCI SER5056A - Sunix - SUNIX 4-Port RS-232 Universal PCI Serial Board $112.39 $91.38
00F5522 - IBM - Artic Quad-Ports RS-232 Multi-Port Serial Daughter Card 00F5522 - IBM - Artic Quad-Ports RS-232 Multi-Port Serial Daughter Card $180.73 $146.94
StarTech - PEX4S232485 - Serial Card 4-Port PCI Express x1 RS-232 RS-422 RS-485 PEX4S232485 - StarTech - 4-Port 2 x RS-232 2 x RS-422 / RS-485 PCI Express x1 Combo Serial Card $215.87 $182.94
31P7226 - IBM - Dual-Ports RS-232 460.8Kbps DB-9 PCI Low Profile Serial Card Adapter 31P7226 - IBM - Dual-Ports RS-232 460.8Kbps DB-9 PCI Low Profile Serial Card Adapter $114.24 $92.88
7W574 - Dell - RocketPort Plus Dual Ports RS-232 PCI Card 7W574 - Dell - RocketPort Plus Dual Ports RS-232 PCI Card $597.65 $506.48