{"product_id":"startech-com-4-port-rs232-pci-express-serial-card-w-breakout-cable","title":"StarTech.com 4 Port RS232 PCI Express Serial Card w\/ Breakout Cable","description":"The PEX4S553B 4-Port PCI Express Serial Card (with breakout cable) lets you add 4 RS232 serial ports using a single PCIe expansion slot, with an included 1-to-4 cable enabling you to add 4 serial ports to a single low profile slot.  The serial card features a native single-chip design that provides optimum reliability and speed, reducing the CPU load by up to 48% over conventional bridge-chip serial cards - a cost-effective solution for connecting legacy serial devices to PCIe-enabled computers.  The multi-port serial adapter includes both full profile and low profile\/half-height brackets for compatibility with standard and small form factor computers, and is compatible with a broad range of operating systems, including Windows®, Linux, and MAC OS.  This product is a replacement for our PEX4S552B card.  Backed by a StarTech.com lifetime warranty and free lifetime technical support.","brand":"StarTech.com","offers":[{"title":"Default Title","offer_id":49424726491413,"sku":"STCPEX4S553B","price":185.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/1019462157_ab6cb571-5878-464f-897c-0dcf768d45e6.jpg?v=1760912494","url":"https:\/\/unitedsupplycorp.com\/products\/startech-com-4-port-rs232-pci-express-serial-card-w-breakout-cable","provider":"United Supply Corp.","version":"1.0","type":"link"}