10 Best Serial Port Cards Pci
#1 Best Pick
StarTech 2 Port PCI Express RS232 Serial Adapter Card with 16950 UART Expansion Card
Brand: StarTech
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- Industry standard 16950 UART compatible
- Supports max baud rate of up-to 921.6Kbps
- Provides 5/12V power output on Pin 9 when external power is connected
- 256-byte Depth FIFO cache per transmitter and receiver
- Low and full-profile brackets included
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#2 Best Value
ELIATER PCIE 2 Port Serial Expansion Card PCI Express to Industrial DB9 RS232 COM Port Adapter WCH382 Chip for Desktop PC with Low Bracket
Brand: ELIATER
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- This card capability allow for upgrade with additional serial cards to your computer easily. Note: Open the "CH38XDRV"file in the CD to install.
- 2 x 16C550 Fast Uart serial ports, supporting data transfer rates up to 230400Bps.
- Plug and Play, Automatically selects IRQ & IO address, Supports IRQ sharing.
- Compliant with ExpressCard/34mm Standard; Compatible to 1-Lane (x1) PCI-Express Throughput.
- Operating System: Windows 32bit 2000/XP/2003 Server/Vista and 64bit XP/2003 Server/Vista/WIN7/WIN8/WIN10/WIN11/Linux. (If there was any problem with PCIE 2 port serial expansion card, pls feel free to contact us, we will provide a solution within 24hrs.)
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#3 Budget Pick
Depisuta Serial ATA PCI Express Controller Card, 2 Port PCIE to Serial ATA ESATA IDE Controller Adapter Card, Compatible with 2000 7 8 Linux OS X DOS
Brand: Depisuta
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- EXTERNAL AND INTERNAL PORTS: Supports 1 external ESATA interface and 1 internal interface, with a maximum transfer rate of up to 3Gb/s. These ports facilitate versatile connectivity options that cater to a variety of personal and professional storage needs.
- SERIAL ATA PCI EXPRESS CONTROLLER CARD: Comes standard with PCI Express 1.0, supporting Ultra ATA 133 hard drives and downward compatibility with Ultra ATA 100/66/33 standards.
- LARGE CAPACITY SUPPORT: The adapter card supports hard drives with a capacity of 137 GB or larger (48 bit LBA mode). This feature provides a storage flexibility during your daily use.
- VERSATILE STORAGE OPTIONS: Supports 0, 1, and 0+1 modes, as well as JBOD, offering multiple storage configurations. This versatility enables users to optimize their storage solutions according to specific performance .
- PLUG AND PLAY: Supports plug and play functionality and driver support for 2000, 7, 8, server 2003, Vista, for Linux, for OS X, and for DOS.
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#4 Top Choice
PCIe Serial Card, PCI Express RS232 Serial Adapter Card, 2 Port PCIe Serial Expansion Card for for Linux, AX99100 Chipset
Brand: Jectse
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- Full Duplex Channel: 2.5Gbps PCIE bus supporting full duplex channel. Compliant with Single Lane (x1) PCIExpress Specification Revision 1.0a.
- Interface Slots: PCI Express x1 interface (also for PCIE x1, x4, x8, x16 slots). Two 9 pin RS 232 serial ports.
- Support System: PCIE serial card supports operating systems for for for for , for XP, for 2000, for Linux, for DOS, for Server 2003.
- AX99100 Chip: Allows to easily connect more serial devices to your computer. Stable and chipset AX99100 with enhancement chip. Supports remote wake up and power management functions.
- Application Areas: Serially connected equipment, serial net/monitoring equipment, data acquisition system POS terminals and industrial PCs, I/O expansion of embedded systems.
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#5 Popular Choice
POENVFPO PCIE Serial Expansion Card Stable Dual Port PCI Express Full Duplex Controller for Applicable for Industrial PCs Minus40 to 85℃
Brand: POENVFPO
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- [HIGH-SPEED PCIE INTERFACE] Easily expand your computer with this PCIE Serial Card featuring a 2.5Gbps full duplex channel for seamless connectivity.
- [STABLE AX99100 CHIPSET] Enjoy reliable performance with the AX99100 chipset and signal enhancement chip for enhanced stability.
- [VERSATILE COMPATIBILITY] Compatible with various operating systems including Vista, XP, , DOS, and Server 2003.
- [DUAL SERIAL PORTS] Conveniently connect two serial devices to your computer with the two 9-pin serial ports on this card.
- [WIDE APPLICATION] for various applications like serially connected equipment, data acquisition systems, POS terminals, and industrial PCs.
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#6 Top Pick
Eacam PCIe RS232 Card, Dual Port PCI Express RS232 DB9 Serial Port Card, PCIe Serial Expansion Card for, Linux, Support POS Systems, Security Systems, Scanners
Brand: Eacam
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- [Expand Your Connectivity] Add two rs232 bd9 serial ports to desktop computers or industrial equipment through the pcie slot, supporting x1, x4, x8, x16 slots.
- [Universal Compatibility] Full-size bracket suitable for standard pcs, for various applications in industries, logistics, and retail sectors.
- [Driver Compatibility] Requires driver installation for xp, vista, 7, 8.x, 10, 11 and reference to compiled source code for linux kernel 2.6.x, 3.x, 4.x, 5.x systems.
- [Versatile Applications] Seamlessly connect pos systems, industrial devices, security systems, scanners, printers, and more with this pcie serial expansion card.
- [high speed Data Transfer] Asix ax99100 chip offers 256 byte depth fifo transfers, ensuring efficient data processing for and arm hardware platforms.
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#7 Top Pick
PCIE Expansion Card PCI Express X1 to Interface 4 RS232 Serial Ports Wide Applications Adapter Card
Brand: Dpofirs
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- 4 RS232 Serial Ports: Features 4 x 9pin RS232 serial ports allowing easy connection of more serial devices to your computer.
- PCI Express X1 Interface: PCI Express x1 interface (also suitable for PCI-E x1, x4, x8, x16 slots) for excellent performance and long life.
- Characteristics: Has a stable and chipset for AX99100 with a enhancement chip. Supports remote wake up and power management functions.
- PCI Express: Single lane (X1) PCI Express endpoint control with PHY integration, PCI Express 2.0 Gen 1 compliant, PCI Express Card Specification compliant, PCI Power Management 1.2 compliant, supports interrupts, supports ASPM power management.
- Applications: Serial connected devices, serial monitoring devices, data acquisition systems, POS terminals and industrial PCs, I/0 expansion of serial I/0/USB embedded systems for add on cards.
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#8 Top Pick
![StarTech 2-Port PCI Express Serial Card with 16C1050 UART - RS232 [PEX2S1050]](https://m.media-amazon.com/images/I/41jaoVYmS9L._SL500_.jpg)
StarTech 2-Port PCI Express Serial Card with 16C1050 UART - RS232 [PEX2S1050]
Brand: StarTech
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- MEETS INDUSTRY STANDARDS: The 2-port PCI express serial card is compliant with PCI Express 1.0a specification, and it's compatible with 1x, 2x, 4x, 8x and 16x PCI Express slots.
- MAXIMUM COMPATIBILITY: The dual port DB9 to PCIe adapter is ideal for system upgrades in a wide range of applications including manufacturing equipment, POS equipment, and security devices.
- HIGH-PERFORMANCE COMMUNICATION: The low-profile serial card delivers high-performance serial communication, with support for data transfer rates of up to 460Kbps.
- SIMPLE INSTALLATION: The PCI dual serial adapter features IRQ sharing and supports plug-and-play connection. It has a standard-profile bracket installed, and an optional low-profile bracket.
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#9 Top Pick
2 Port PCI Express RS232 Serial Adapter Card, PCIe Serial Host Controller Card for Windows for Linux, for Desktop PC
Brand: GOWENIC
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- 2 SERIAL PORTS: PCIE RS232 allows users to add two RS232 BD9 serial ports to desktop computers or industrial equipment through the PCI Express slot on the motherboard.
- PCIE X1 INTERFACE: The full size bracket on this expansion card is suitable for standard size PCs, based on PCIE X1 interface, and can work in X1, X4, X8, X16 slots.
- SUPPORT OS: Requires driver installation on for Windows XP, for Vista, 7, 8.x, 10, 11 (32/64 bit) systems. for Linux kernel 2.6.x, 3.x, 4.x, 5.x requires reference to compiled source code.
- SUPPORTS 256 BYTE DEPTH: The PCIe serial expansion card selects the for ASIX AX99100 program, which supports on chip 256 byte depth FIFO transfers. Suitable for for Intel, for ARM hardware platforms.
- APPLICATIONS: PCIE serial DB9 port card seamlessly connects POS systems, industrial measurement and control devices, security systems, logistics management devices, scanners, printers and other serial DB9 port devices.
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#10 Top Pick
ECSiNG Port Card PCI Express Serial Card PCI Express Serial Extension Adapter PCI-E to RS232 Serial Expansion Card Compatible with Windows XP/Vista/7/8
Brand: ECSiNG
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- Dual RS232 Ports: Transform a single PCI Express slot into two RS232 (DB9) serial ports, doubling your connectivity options.
- Compliance & Support: Conforms to PCI-Express Specification Revision 1.1. Supports DOS, Compatible with Windows 8/7/Vista/XP/2000/Server 2003-2008 32/64-bit, Compatible with Linux, and other operating systems.
- Enhanced Data Transfer: Built-in 256-byte FIFO and hardware/software flow control ensure reliable data transfer at speeds of up to 250Kbps per port.
- Simple Installation: Easy setup - just insert the PCI Express control card into the free slot on your computer and install the provided drivers.
- Broad Utility: Perfectly suited for use in ticket printing, barcode scanning, card reading, cash register systems, and various other applications.
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