Top 8 Best Serial Port Cards

of July 2024
1
Best ChoiceBest Choice
StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Card - Windows & Linux (PEX1S553LP)
StarTech
StarTech

10
Exceptional
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2
Best ValueBest Value
LinksTek 2-Port PCI Express RS-232 DB9 Serial Port Card for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs-PCIE Serial Port Card (PCIE-SE2)
LinksTek
LinksTek

9.9
Exceptional
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3
StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16550 UART - Expansion Card - Windows & Linux (PEX2S553)
StarTech
StarTech

9.8
Exceptional
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4
StarTech.com 4 Port PCI Express RS232 Serial Adapter Card - Single-Lane PCI Express - Breakout Cable - RS232 Extension - PCIe Serial Card (PEX4S553B)
StarTech
StarTech

9.7
Exceptional
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5
Deal4GO SD2SP2 Micro SD Card Adapter 1.2A SDLoader Mod for Nintendo Gamecube NGC Serial Port 2 MicroSD Card Adapter (3rd Party)
Deal4Go
Deal4Go

9.6
Exceptional
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6
StarTech.com PCI Express Serial Card - 16 DB9 RS232 Ports - Low + Full Profile - Multiport Serial Adapter - PCIe Serial Card (PEX16S550LP)
StarTech
StarTech

9.5
Excellent
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7
StarTech.com 2-Port PCI RS232 Serial Adapter Card - PCI Serial Port Expansion Controller Card - PCI to Dual Serial DB9 Card - Standard (Installed) & Low Profile Brackets - Windows/Linux (PCI2S5502)
StarTech
StarTech

9.4
Excellent
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8
StarTech.com 2-Port PCI Express Serial Card with 16C1050 UART - RS232 Low Profile Serial Card - PCI Serial Card (PEX2S1050)
StarTech
StarTech

9.3
Excellent
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9
StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows & Linux (PEX1S953LP)
StarTech
StarTech

9.2
Excellent
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10
StarTech.com 2 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART - PCIe RS232 - PCI-E Serial Card (PEX2S553LP)
StarTech
StarTech

9.1
Excellent
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About Serial Port Cards

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StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Card - Windows & Linux (PEX1S553LP)

1 PORT SERIAL CARD Serial controller card w 16550 UART based on ASIX MCS9922CV-AA, allows 1x DB9 port wbi-directional RS232 speeds up to 460.8Kbps per port, available 256 byte FIFO buffer Upgraded version of our popular card PEX1S552LP. OPTIONAL CONFIGURABLE POWER PCI Express RS232 serial adapter card provides choice of 12v, 5v, or none through pin 9. STANDARD PROFILE LOW PROFILE BRACKET PCIe serial card comes w a low profile bracket pre-installed 1x full profile bracket is incl for versatile install Supports Windows Linux. VERSATILE APPLICATIONS For lowstandard profile desktopservers w uses in point of sale terminals, PLCs, controlautomation in factories, scientific sensors, medical equipment, scanner, oscilloscope. THE IT PRO'S CHOICE Designed and built for IT Professionals, this PCIe serial adapter card is backed for life, including free lifetime 245 multi-lingual technical assistance.

LinksTek 2-Port PCI Express RS-232 DB9 Serial Port Card for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs-PCIE Serial Port Card (PCIE-SE2)

1. PCIE-SE2 allow users add 2X RS232 BD9 serial Ports on desktop PCs or industrial devices by PCI Express slot.. 2. Seamless connect to serial ports device such as POS system, industrial testing and control device, security system, logistic management equipment, scanners and printers.. 3. Need to install driver on Windows XP, Vista, 7, 8.x, 10, 11 3264bit systems. Linux kernel 2.6.x, 3.x, 4.x, 5.x need to refer compile source code in the driver CD.. 4. Selected by ASIX AX99100 solution supports on chip 256-byte depth FIFO in transmit. Works on INTEL, AMD, ARM hardware platform.. 5. The full-size bracket on this expansion card will works on standard size PCs. The 2X low profile bracket for slim PCs. Based on PCIE X1 interface, will works on X1, X4, X8, X16 slot..

StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16550 UART - Expansion Card - Windows & Linux (PEX2S553)

2 PORT SERIAL CARD Serial controller card w16550 UART based on ASIX MCS9922CV-AA, allows 2x DB9 ports wbi-directional RS232 speeds up to 460.8Kbps per port, available 256 byte FIFO buffer Upgraded version of our popular card PEX2S952. OPTIONAL CONFIGURABLE POWER PCI Express RS232 Serial Adapter Card provides choice of 12v, 5v, or none through pin 9. Each of the 2 ports are individually configurable. STANDARD PROFILE LOW PROFILE BRACKET PCIe multiport serial card comes w a standard bracket pre-installed 2x low profile brackets incl for versatile install supports Windows Linux. VERSATILE APPLICATIONS For standard profile desktopservers with uses in point of sale terminals, PLCs, controlautomation in factories, scientific sensors, medical equipment, scanners, oscilloscope. THE IT PRO'S CHOICE Designed and built for IT Professionals, this PCIe serial adapter card is backed for life, including free lifetime 245 multi-lingual technical assistance.

StarTech.com 4 Port PCI Express RS232 Serial Adapter Card - Single-Lane PCI Express - Breakout Cable - RS232 Extension - PCIe Serial Card (PEX4S553B)

Native single chip design. Includes a full profile and low profilehalf-height bracket. On chip 256-byte depth FIFO in transmitreceive path of each port. Single-Lane x1 PCI-Express with throughput up to 2.5Gbps. Supports hardware and software flow control.

Deal4GO SD2SP2 Micro SD Card Adapter 1.2A SDLoader Mod for Nintendo Gamecube NGC Serial Port 2 MicroSD Card Adapter (3rd Party)

Please make sure that your GameCube console actually has a Serial Port 2. If it does, you will find it clearly marked on the underside.. This little kit allows you to connect a MicroSD card to the Serial Port 2 of the GameCube.. You can use this card with Swiss, so it doesn't take up a memory card slot anymore.. The SD2SP2 is also compatible with the upcoming GCLoader ODE by Black Dog Tech.. Removes the hassle of memory card adapters like SD Gecko WiiKey SD..

StarTech.com PCI Express Serial Card - 16 DB9 RS232 Ports - Low + Full Profile - Multiport Serial Adapter - PCIe Serial Card (PEX16S550LP)

Add 16 RS232 serial ports DB9 to your low or full-profile computer through a PCI Express slot. This 16-Port PCI Express Serial Card provides high-speed PCIe serial card with 16 DB9 RS232 ports from a single PCIe slot. Multiport serial adapter card enables high-speed serial communication with data transfer rate up to 921.6 Kbps. Compliant with PCI Express 1.0a1.1 and compatible with 1x2x4x 8x16x PCIe bus. PCIe serial card Multiport serial adapter card Serial PCIe card Serial expansion card 16 port serial card pci serial port pcie serial card PCI serial card pci e serial card pci express serial card.

StarTech.com 2-Port PCI RS232 Serial Adapter Card - PCI Serial Port Expansion Controller Card - PCI to Dual Serial DB9 Card - Standard (Installed) & Low Profile Brackets - Windows/Linux (PCI2S5502)

2 PORT PCI RS232 SERIAL ADAPTER CARD Controller card w 16C550 UART based on ASIX MCS9865, 2x DB9 ports wbi-directional RS232 speeds up to 115.2Kbpsport, 256 byte FIFO buffer 9th data bit Upgraded version of our popular cards PCI2S550_LP PCI2S550. TECH SPECS Speeds up to 115.2Kbps 16C550 UART 256 byte FIFO buffer 5,6,7,8 and 9 bit character Even, Odd, No, Space or Mark Parity Auto IRQ IO assignment Supports IRQ Sharing ASIX MCS9865 Chip. VERSATILE APPLICATIONS Dual Serial Port PCI Card for PCI desktopsservers used in point of sale terminals, PLCs, CNC Machines, controlautomation in factories, scientific sensors, medical equipment, scanners, oscilloscope. STANDARD PROFILE LOW PROFILE BRACKET PCI multiport serial COM card installs using 1x standard bracket pre-installed or 2x low profile brackets incl Supports Windows 7 and up, Linux 2.6.x to 5.x.

StarTech.com 2-Port PCI Express Serial Card with 16C1050 UART - RS232 Low Profile Serial Card - PCI Serial Card (PEX2S1050)

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..

StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows & Linux (PEX1S953LP)

1 PORT SERIAL CARD Serial controller card w 16950 UART based on ASIX AX99100, allows 1x DB9 port wbi-directional RS232 speeds up to 921.6Kbps per port, available 256 byte FIFO buffer 9th data bit Upgraded version of our popular card PEX1S952LP. OPTIONAL CONFIGURABLE POWER PCI Express RS232 serial adapter card provides choice of 12v, 5v, or none through pin 9 wup to 2A total. STANDARD PROFILE LOW PROFILE BRACKET PCIe serial card comes w a low profile bracket pre-installed 1x full profile bracket is incl for versatile install Supports Windows Linux. VERSATILE APPLICATIONS For lowstandard profile desktopservers w uses in point of sale terminals, PLCs, controlautomation in factories, scientific sensors, medical equipment, scanner, oscilloscope. THE IT PRO'S CHOICE Designed and built for IT Professionals, this PCIe serial adapter card is backed for life, including free lifetime 245 multi-lingual technical assistance.

StarTech.com 2 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART - PCIe RS232 - PCI-E Serial Card (PEX2S553LP)

One high speed RS232 serial port with data transfer rate up to 460.8 Kbps. Ships with half-heightlow profile mounting bracket, includes optional standard profile bracket. Single chip design optimizes speed and reliability. Native single-chip, single lane PCI Express. Selectable power output on pin 9 for the serial port.