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ECSiNG Port Card PCI Express Serial Card PCI Express Serial Extension Adapter PCI-E to RS232 Serial Expansion Card Compa Dual RS232 Ports: Transform a single PCI Express slot into two RS232 (DB9) serial ports, doubling your connectivity optiELIATER 
ELIATER PCIE 2 Port Serial Expansion Card PCI Express to Industrial DB9 RS232 COM Port Adapter WCH382 Chip for Desktop P This card capability allow for upgrade with additional serial cards to your computer easily. Note: Open the "CH38XDRV"fiGOWENIC 
2 Port PCI Express RS232 Serial Adapter Card, PCIe Serial Host Controller Card for Windows for Linux, for Desktop PC 2 SERIAL PORTS: PCIE RS232 allows users to add two RS232 BD9 serial ports to desktop computers or industrial equipment tBest Value StarTech 
StarTech.com PCI Express Serial Card – 2 Port – Dual Channel 16C1050 UART – Serial Port PCI Card – Serial Expansion Card MEETS INDUSTRY STANDARDS: The 2-port PCI express serial card is compliant with PCI Express 1.0a specification, and it'sDpofirs 
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PCIe Serial Card, PCI Express RS232 Serial Adapter Card, 2 Port PCIe Serial Expansion Card for for Linux, AX99100 Chipse Full Duplex Channel: 2.5Gbps PCIE bus supporting full duplex channel. Compliant with Single Lane (x1) PCIExpress SpecifiAswalling Aswalling PCI-E Serial Port Card Pcie to 4 Serial Port RS232 9-Pin Industrial Control 4-Port Expansion Card AX99100 with It is equipped with a 4-port -232 serial cable. 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PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 1 PORT SERIAL CARD: Serial controller card w/ 16950 UART based on ASIX AX99100, allows 1x DB9 port w/bi-directional RS23StarTech PCIe Card with Serial and Parallel Port - PCI Express Combo Adapter Card with 1x DB25 Parallel Port & 1x RS232 Serial Po PCIe CARD WITH SERIAL & PARALLEL PORT: Using a x1 PCIe 2.0 slot, add a DB25 parallel & a DB9 RS232 port to your computerSnblzhef Snblzhef PCIe to Rs485/422 Serial Port Card Com Port Adapter Card Expansion Card Protection Surge Protect Support PCIe G It is compatible with PCIe GEN2.0 (2.5GT/s) and has 2 ports, each with many enhanced features.TSTQMHFQ Interface Board for Network Port USB Parallel Serial Port Card E04 TM-U288BU220BU330BT88V(Serial Port Card) High-quality material production, green and environmentally friendlyKOSDFOGE KOSDFOGE Adapter Card, M.2 Serial Port Adapter Card 2 Serial Ports AX99100 2S DB9 RS232 115200bps COM1 Serial Port Expan M.2 Interface: M.2 interface, compliant with PCI Express 2.0 Gen 1, compliant with PCI Express M.2 specification versionSenzooe 5PCS Mini MP3 Player Module MP3 Voice Decode Board Supporting TF Card U-Disk IO/Serial Port/AD 5PCS Mini MP3 Player Module MP3 Voice Decode Board Supporting TF Card U-Disk IO/Serial Port/ADTreedix Treedix 3pcs Mini MP3 Player Developent Module DF Player Module MP3 Player Decode Board Support TF Micro SD Card/Serial DFPlayer Mini is an MP3 module that can be directly connected to speakers.Snblzhef Snblzhef PCIe to Rs485/422 Serial Port Card Com Port Adapter Card Expansion Card Protection Surge Protect Support PCIe G The SE-SLV354A-2S PCI-E RS422/RS485 multi port I/O card adopts the high-performance EXAR-17V354 chipset.Compliant with PJESSINIE JESSINIE USB to 4 Channels Ways TTL Serial Port USB Type-C Interface 6Mbps CH344 CH348 Chip Communication Conversion Mod 【High-Speed Communication】The JESSINIE USB to 4 Channels TTL Serial Port offers a high-speed data transfer rate of up to44% Off LT Easiyl LT Easiyl 5Pcs DFPlayer Mini MP3 Player Module Audio Voice Board MP3 Voice Decode Board Supporting TF Card/U-Disk/IO/Ser Supports Multiple Sample Rates: Supports sampling rates of 8/11.025/12/16/22.05/24/32/44.1/48 KHz.VKLSVAN VKLSVAN 6PCS DFPlayer Mini MP3 Player Board Module MP3 Voice Decode Board Support TF Card U-Disk IO/Serial Port/AD Audio This is a MP3 Player Audio Voice Module, can be connected directly to the speaker.Playing specified music and functions44% Off LT Easiyl LT Easiyl 5Pcs DFPlayer Mini MP3 Player Module Audio Voice Board MP3 Voice Decode Board Supporting TF Card/U-Disk/IO/Ser Supports Multiple Sample Rates: Supports sampling rates of 8/11.025/12/16/22.05/24/32/44.1/48 KHz.VKLSVAN VKLSVAN 6PCS DFPlayer Mini MP3 Player Board Module MP3 Voice Decode Board Support TF Card U-Disk IO/Serial Port/AD Audio This is a MP3 Player Audio Voice Module, can be connected directly to the speaker.Playing specified music and functionsJeirdus Jeirdus PCIe Parallel Serial Combo Card, RS-232 Serial Port COM & DB25 Printer Parallel Port LPT to PCI Express Card Ada PCIe to parallel port or serial port expansion card, could be simultaneous expandedPeakloong Peakloong Mini PCIE Express 8 Serial Ports Controller Card Mini PCIe DB9 RS232 Adapter Mini PCI-E COM Card 15 KV ESD Pro Eight UART channels controlled with 16550 compatible register SetJeirdus Jeirdus PCIe Parallel Serial Combo Card, RS-232 Serial Port COM & DB25 Printer Parallel Port LPT to PCI Express Card Ada Supporting SPP/PS2/EPP/ECP modes and centronics interface. 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