{"id":50950,"date":"2026-09-08T07:33:56","date_gmt":"2026-09-08T07:33:56","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/pex4s553b-startech-com-pci-express-rs232-serial-adapter-card-4-port-pcie-serial-card\/"},"modified":"2026-09-08T07:33:56","modified_gmt":"2026-09-08T07:33:56","slug":"pex4s553b-startech-com-pci-express-rs232-serial-adapter-card-4-port-pcie-serial-card","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/pex4s553b-startech-com-pci-express-rs232-serial-adapter-card-4-port-pcie-serial-card\/","title":{"rendered":"PEX4S553B StarTech.com PCI Express RS232 Serial Adapter Card -4 Port PCIe Serial Card"},"content":{"rendered":"<p>PEX4S553B Technical Specifications<\/p>\n<p>StarTech.com PCI Express RS232 Serial Adapter Card -4 Port PCIe Serial Card<\/p>\n<p>Brand: StarTech.com<\/p>\n<p>Manufacturer: StarTech.com<\/p>\n<p>Network &#038; Communication<\/p>\n<p>Data Link Protocols: 4 x DB-9 RS-232 \u2013 Serial, Via Cable<\/p>\n<p>Form Factor: Plug-in Card<\/p>\n<p>Host Interface: PCI Express x1<\/p>\n<p>Product Information<\/p>\n<p>Country of Origin: China<\/p>\n<p>Platform Supported: Linux, Mac, PC<\/p>\n<p>Product Type: Multiport Serial Adapter<\/p>\n<p>Dimensions &#038; Weight<\/p>\n<p>Height: 2.7 inch<\/p>\n<p>Weight: 8.40 ounce<\/p>\n<p>Width: 0.5 inch<\/p>\n<p>Certifications &#038; Listings<\/p>\n<p>Environmentally Friendly: Yes<\/p>\n<p>TAA Compliant: Yes<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PEX4S553B Overview<\/p>\n<p>The PEX4S553B 4-Port PCI Express Serial Card (with breakout cable) lets you add 4 RS232 serial ports using a single PCIe expansion slot. The PCIe Serial Card includes a 1-to-4 break out cable, which enables you to add 4 serial ports to a single low profile slot.<\/p>\n","protected":false},"featured_media":50951,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[679],"product_cat":[680,681],"product_tag":[682,356],"class_list":["post-50950","product","type-product","status-publish","has-post-thumbnail","product_brand-startech-com","product_cat-controllers","product_cat-startech-com-controllers","product_tag-controller-card","product_tag-pci-express","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PEX4S553B StarTech.com PCI Express RS232 Serial Adapter Card -4 Port PCIe Serial Card - Geek Tech Sol<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/geektechsol.com\/index.php\/product\/pex4s553b-startech-com-pci-express-rs232-serial-adapter-card-4-port-pcie-serial-card\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PEX4S553B StarTech.com PCI Express RS232 Serial Adapter Card -4 Port PCIe Serial Card - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"PEX4S553B Overview The PEX4S553B 4-Port PCI Express Serial Card (with breakout cable) lets you add 4 RS232 serial ports using a single PCIe expansion slot. 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