The PCI E express card RS232 is all what you need. Laptab.com.pk offers a wide range of PCI-cards that helps you connect through various peripherals which are not easily available.
Now you can transform a PCI slot into 4 port rs232 PCI express serial card as single line PCI-E offers increased speed and reduces CPU load of up-to 48%. It is especially compatible with a broad range of operating systems as its plug-n-play feature makes all the work hassle free.
The 4 port rs232 PCI express card provides optimum reliability and speed whilst reducing the load applied to CPU, it is the best option for Online buy as it is at the best price of Pakistan!
But if you are looking for simple 2-port rather than this Express rs232 card then check out this 2 port serial PCI card.
No. Of Ports: 4
Data Transfer Rate: Up To 460 Kbps
Supported OS: Windows And Linux (Kernel 2.6.11 And Up)
Bracket Type: Half-Height/Low Profile Bracket