SER5056A - Sunix - SUNIX 4-Port RS-232 Universal PCI Serial Board SER5056A - Sunix - SUNIX 4-Port RS-232 Universal PCI Serial Board $195.55 $165.72
7W574 - Dell - RocketPort Plus Dual Ports RS-232 PCI Card 7W574 - Dell - RocketPort Plus Dual Ports RS-232 PCI Card $597.65 $506.48
PCI2S950DV - StarTech - 2-Port DB-9 RS-232 PCI Serial Adapter Card PCI2S950DV - StarTech - 2-Port DB-9 RS-232 PCI Serial Adapter Card $98.38 $83.37
78Y2361 - Lenovo - RS-232 Brainboxes USB to Serial 1 Port 78Y2361 - Lenovo - RS-232 Brainboxes USB to Serial 1 Port $219.95 $186.40
PEX2S952 - StarTech - 2-Port DB-9 RS-232 PCI Express Serial Adapter Card PEX2S952 - StarTech - 2-Port DB-9 RS-232 PCI Express Serial Adapter Card $69.38 $58.80