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PCIEx1 to RS232 8-port serial port card, you can use the idle PCIEx1 socket of your motherboard. 8 standard RS232 serial ports with DB9 pin interface with 1 point 8 pigtail cable, more convenient connection.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.