PCI-X Network Adapters
StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART - Serial adapter - PCI-X - RS-422/485 x 2 - PCI2S4851050 - Serial adapter - PCI-X - RS-422/485 x 2
StarTech.com 4 Port PCI SuperSpeed USB 3.0 Adapter Card with SATA/SP4 Power - Quad Port PCI USB 3 Controller Card (PCIUSB3S4) - USB adapter - PCI-X low profile - USB 3.0 x 4 - red - for P/N: HBS304A24A, S3510BMU33, S3510SMU33, UNI251BMU33, USB221SS