{"product_id":"startech-com-pex2s953-2-port-pcie-rs232-db9-serial-adapter-16950-uart","title":"StarTech.com PEX2S953 2-Port PCIe RS232 DB9 Serial Adapter 16950 UART","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 PEX2S953 2-Port PCIe RS232 DB9 Serial Adapter 16950 UART\u003c\/h1\u003e\n\u003cp\u003eThis is a StarTech.com 2-port PCI Express RS232 serial adapter card that adds two RS232 (DB9) serial ports to your computer through a PCI Express slot. The PEX2S953 PCIe to dual serial DB9 RS-232 controller with 16950 UART supports Windows and Linux, enabling interaction with serial devices like card readers, printers, PIN pads, and modems at speeds up to 921.6 Kbps. MPN: PEX2S953; UPC: 065030888332.\u003c\/p\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003eKey Features of StarTech.com 2-Port PCI Express RS232 Serial Adapter\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eDual RS232 DB9 Ports\u003c\/span\u003e – Native-like performance for serial peripherals via PCIe expansion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003e16950 UART\u003c\/span\u003e – Industry-standard compatibility with 256-byte FIFO per transmitter\/receiver for reliable high-speed data transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003e921.6 Kbps Max Baud Rate\u003c\/span\u003e – Supports fast communication; configurable data bits: 9, 8, 7, 6, 5 per port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eASIX AX99100 Chipset\u003c\/span\u003e – PCI Express 1.1 x1 compliant for broad system integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003ePower Output\u003c\/span\u003e – 5\/12V on Pin 9 when external power connected, ideal for powered serial devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eBracket Options\u003c\/span\u003e – Pre-configured full-profile with included low-profile bracket for any case form factor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eOS Support\u003c\/span\u003e – Windows and Linux compatible; direct replacement for PEX2S952.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eEnvironmental Compliance\u003c\/span\u003e – RoHS, REACH, WEEE; made in Taiwan.\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\u003ePEX2S953\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-Port PCI Express RS232 Serial Adapter Card - 16950 UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e065030888332\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\u003eHost Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCI Express 1.1 x1\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\u003e2 (RS232 DB9)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Baud Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e921.6 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\u003e256-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\u003e9, 8, 7, 6, 5 (per port)\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)\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 \/ Full-profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCard Dimensions (H x W x L)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.6\" x 2.5\" x 3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.30 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Dimensions (H x W x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.20\" x 5.50\" x 6.90\"\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\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2-Port PCI Express RS232 Serial Adapter Card - 16950 UART\u003c\/li\u003e\n\u003cli\u003e1 x Low Profile Bracket\u003c\/li\u003e\n\u003cli\u003e1 x Quick Start Guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003eInstallation Overview\u003c\/h2\u003e\n\u003cp\u003eEasy installation in any PCIe slot; pre-configured with full-profile bracket, low-profile included for compact cases. Broad OS support ensures seamless integration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eAdd reliable RS232 serial ports with StarTech.com PEX2S953—enhance your system connectivity 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 PEX2S953\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 2 Ports\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e PEX2S953\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eItem Height:\u003c\/strong\u003e 0.6 in\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eItem Length:\u003c\/strong\u003e 3 in\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eItem Width:\u003c\/strong\u003e 2.5 in\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 065030888332\u003c\/p\u003e\n\u003c\/div\u003e","brand":"StarTech","offers":[{"title":"Default Title","offer_id":43258831143030,"sku":"PEX2S953","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/4277\/6950\/files\/10_1698c196-c883-4287-a187-08452b613fe1.jpg?v=1775414800","url":"https:\/\/sellizoe.com\/products\/startech-com-pex2s953-2-port-pcie-rs232-db9-serial-adapter-16950-uart","provider":"Sellizo","version":"1.0","type":"link"}