{"product_id":"startech-com-pex1s953lp-1-port-pcie-rs232-db9-serial-card-16950-uart-low-profile","title":"StarTech.com PEX1S953LP 1-Port PCIe RS232 DB9 Serial Card 16950 UART Low Profile","description":"\u003cstyle\u003e\n body { font-family: Arial, sans-serif; color: #333; line-height: 1.6; padding: 20px; }\n h1 { color: #1e90ff; text-align: center; font-size: 30px; margin-bottom: 20px; }\n h2 { color: #00bfff; font-size: 24px; border-bottom: 2px solid #1e90ff; padding-bottom: 5px; margin-top: 30px; }\n p { font-size: 16px; margin: 10px 0; }\n table { width: 100%; border-collapse: collapse; margin: 20px 0; background-color: #fff; box-shadow: 0 4px 8px rgba(0,0,0,0.1); }\n th, td { padding: 12px; text-align: left; border: 1px solid #ddd; }\n th { background-color: #1e90ff; color: white; font-weight: bold; }\n tr:nth-child(even) { background-color: #f9f9f9; }\n .highlight { color: #1e90ff; font-weight: bold; }\n .section { background-color: #f0f8ff; padding: 20px; border-radius: 10px; margin: 20px 0; }\n ul, ol { margin-left: 20px; }\n li { margin-bottom: 10px; }\n .compatibility-note { background-color: #e6fffa; border: 1px solid #38b2ac; padding: 15px; border-radius: 8px; color: #2c7a7b; font-weight: bold; }\n\u003c\/style\u003e\n\u003ch1\u003eStarTech.com PEX1S953LP 1-Port PCIe RS232 DB9 Serial Card 16950 UART Low Profile\u003c\/h1\u003e\n\u003cp\u003eThis is a \u003cspan class=\"highlight\"\u003eStarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 Controller Card with 16950 UART - Low Profile\u003c\/span\u003e designed for Windows and Linux systems. The PEX1S953LP adds a high-speed RS232 DB9 serial port via a PCI Express slot, supporting devices like card readers, printers, PIN pads, and modems at up to 921.4 Kbps. MPN: PEX1S953LP; UPC: 065030881159. It features broad OS compatibility, a low-profile bracket pre-installed, and an optional full-profile bracket for versatile PC case installations.\u003c\/p\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003eKey Features \u0026amp; Optimal Technology\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003e16950 UART Compatibility\u003c\/span\u003e – Industry-standard for reliable serial communication with 128-byte FIFO buffers per transmitter and receiver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eHigh-Speed Performance\u003c\/span\u003e – Supports baud rates up to 921.4 Kbps and data bits of 5, 6, 7, 8, or 9.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003ePower Output Option\u003c\/span\u003e – Provides 5V or 12V on Pin 9 when external power is connected, ideal for powering serial peripherals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eASIX AX99100 Chipset\u003c\/span\u003e – Ensures stable operation in PCI Express 1.1 compliant slots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eDual Bracket Design\u003c\/span\u003e – Low-profile pre-configured with full-profile included for standard and slim PC cases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eMaximum Compatibility\u003c\/span\u003e – Works seamlessly with Windows and Linux in mixed environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eLifetime Warranty\u003c\/span\u003e – Backed by StarTech.com with free lifetime technical support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003eComprehensive Technical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStarTech.com\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStarTech.com\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePEX1S953LP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-Port PCI Express Serial Card with 16950 UART - Low-Profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSerial Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e065030881159\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHost Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCI Express x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePCI Express Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCI Express 1.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUART Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16950\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChipset\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAsix AX99100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Serial Ports (External)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 (RS232 DB9)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Baud Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e921.4 Kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFIFO Buffer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e128-byte depth per transmitter and receiver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Bits Supported\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5, 6, 7, 8, 9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/12V on Pin 9 (with external power connected)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePlatform Supported\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePC, Linux, Windows\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlug-in Card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCard Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow-profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCard Dimensions (HxWxL)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.9\" x 2.6\" x 3.9\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCard Weight (Approximate)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.60 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.20 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Dimensions (HxWxD)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.30\" x 6.80\" x 5.60\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTaiwan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoHS, REACH, WEEE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStarTech.com Lifetime Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003ePackage Contents \u0026amp; Installation Overview\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x 1-Port PCI Express Serial Card with 16950 UART - Low-Profile\u003c\/li\u003e\n\u003cli\u003e1 x Full-Profile Bracket\u003c\/li\u003e\n\u003cli\u003e1 x User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstallation is straightforward: Insert into an available PCIe x1 slot, secure the bracket (low-profile or full-profile as needed), and install drivers for Windows or Linux. Pro tip: Verify PCIe slot compatibility and power connections for peripherals requiring Pin 9 output.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003eWhy Choose StarTech.com PEX1S953LP Serial Adapter?\u003c\/h2\u003e\n\u003cp\u003eThis PCIe serial card delivers reliable RS232 connectivity for legacy devices in modern systems, with advanced UART features and flexible bracketing for easy integration into desktops or low-profile builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eAdd reliable serial connectivity—Order the StarTech.com PEX1S953LP today!\u003c\/p\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Serial Adapter\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMPN:\u003c\/strong\u003e PEX1S953LP\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Brand:\u003c\/strong\u003e StarTech.com\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Port:\u003c\/strong\u003e PCI Express x1\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Interfaces:\u003c\/strong\u003e Serial (RS-232)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Ports:\u003c\/strong\u003e 1 Port\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e PEX1S953LP\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer Warranty:\u003c\/strong\u003e Lifetime\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Does not apply\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUPC:\u003c\/strong\u003e 065030881159\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Does not apply","offers":[{"title":"Default Title","offer_id":43258829537398,"sku":"PEX1S953LP","price":72.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/4277\/6950\/files\/10_3a03dcac-2949-4a57-868b-07ef919fd4ba.jpg?v=1775414737","url":"https:\/\/sellizoe.com\/products\/startech-com-pex1s953lp-1-port-pcie-rs232-db9-serial-card-16950-uart-low-profile","provider":"Sellizo","version":"1.0","type":"link"}