n compuitng devices for share 5 users on single desktop computer X550 kit have 5 xd2 devices and one 5 port PCI card
2-port RS-422/485 low profile Universal PCI serial board, 0 to 55C operating temperature (includes DB9 male cable)
8-port RS-232/422/485(CP118) & RS-422/485 (CP138) Universal PCI serial board, 0 to 55C operating temperature.
Moxa industrial-grade 2/4/816/32 port serial cards are known for their scrupulous design, high reliability, and top performance.
ATI Radeon HD 5450 650M 512MB DDR-2 upto 1 GB with Hypermemory 64-Bit HDMI DVI VGA Low Profile 2.1 Bus