10 Best Serial Port Cards 2023

Serial port cards

Ratings & Reviews

4.3 out of 5 Based on the opinion of 17 people

Product Details

StarTech.com 1 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART (PEX1S553LP)

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Serial port cards

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4.5 out of 5 Based on the opinion of 55 people

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SIIG Legacy and Beyond Series 2 Port (Dual) Serial / RS-232 PCIe Card with 16C550 UART

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Serial port cards

Ratings & Reviews

4.0 out of 5 Based on the opinion of 235 people

Product Details

StarTech.com 2 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART (PEX2S553)

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Serial port cards

Ratings & Reviews

5.0 out of 5 Based on the opinion of 1 people

Product Details

SIIG Single Serial Port/RS-232 and Single Parallel Port PCIe Card Compatible with 16C550 UART (JJ-E20311-S1)

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Serial port cards

Ratings & Reviews

5.0 out of 5 Based on the opinion of 8 people

Product Details

ELIATER PCIe Combo Serial Parallel Expansion Card PCI Express to Printer LPT Port RS232 Com Port Adapter IEEE 1284 Controller Card WCH382 Chip for Desktop PC with Low Bracket

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Serial port cards

Ratings & Reviews

4.2 out of 5 Based on the opinion of 89 people

Product Details

IO Crest 2 Port Serial PCI-e 1.0 x 1 with Full and Low Profile Brackets SI-PEX15037

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Serial port cards

Ratings & Reviews

4.2 out of 5 Based on the opinion of 13 people

Product Details

ELIATER PCIE 2 Port Serial Expansion Card PCI Express to Industrial DB9 RS232 COM Port Adapter WCH382 Chip for Desktop PC with Low Bracket

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Serial port cards

Ratings & Reviews

4.6 out of 5 Based on the opinion of 561 people

Product Details

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

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Serial port cards

Ratings & Reviews

4.1 out of 5 Based on the opinion of 38 people

Product Details

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

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Serial port cards

Ratings & Reviews

4.6 out of 5 Based on the opinion of 561 people

Product Details

StarTech.com 2 Port RS232 Serial Adapter Card with 16950 UART – PCI Express Serial Port Card – 921.4Kbps – Windows & Linux Compatible (PEX2S953LP)

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Serial port cards

Ratings & Reviews

3.5 out of 5 Based on the opinion of 41 people

Product Details

StarTech.com 2S1P PCI Serial Parallel Combo Card with 16550 UART – IEEE 1284 Card – Serial Parallel PCI – PCI Serial Adapter (PCI2S1P)

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Serial port cards

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5.0 out of 5 Based on the opinion of 2 people

Product Details

Vantec 2-Port Serial PCIe Host Card (UGT-PCE20SR)

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Brainboxes 2 Port RS232 Low Profile PCI Express Serial Card – Low-profile Plug-in Card – PCI Express – PC – 2 x Number of Serial Ports External

Brainboxes 2 Port RS232 Low Profile PCI Express Serial Card - Low-profile Plug-in Card - PCI Express - PC - 2 x Number of Serial Ports External

PCI Express Card providing two RS232 serial ports. Low profile board gives first serial port on the bracket, with a second serial port on a fly lead. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, delivers uncompromising performance on your PC. Drivers for Windows 32 bit and 64 bit Operating Systems including Windows 2000, XP, Server 2003, Vista, Server 2008, Windows 7 and Windows 8. Gender: unisex.


StarTech.com Serial adapter card – PCI – serial – 2 ports – Add 2 high-speed RS-232 serial ports to your PC through a PCI expansion slot – Serial

StarTech.com Serial adapter card - PCI - serial - 2 ports - Add 2 high-speed RS-232 serial ports to your PC through a PCI expansion slot - Serial

16 byte FIFO buffer ensures fast data transfer while multitasking 5, 6, 7, 8-bit characters selection Supports the RS-232 serial interface IRQ sharing saves resources and eliminates conflicts Even, odd, no parity, or force parity generations


Axxon 8 Serial Port RS232 I/O Card

Axxon 8 Serial Port RS232 I/O Card

The industry’s FIRST add-on 8 serial (16950) adapter for the PCI Express (PCIe) expansion slots. This cutting edge design permits a quick installation of 8 of RS232 serial to any brand of computer system using the new advanced PCIe expansion slots. This single slot adapter is shipped complete with a complex 8 port cable (HD78 to 8 of DB9M). Octo (8) High Speed 16C950 Serial Port for PCIe / PCI Express expansion slots. Bus design compatible with 1x, 4x, 8x, 16x lane expansion slots. Standard Height mounting. Complex Cable Included (HD78M to 8 of DB9M). 16C950 UART ( 8x buffer than 16550). 128 Byte Transmit / Receive Buffers. Hardware Auto-Flow Control. TRUE 1 Megabaud RS232 Transceivers. Plug and Play Compatible. Software Selectable NON-VOLATILE Clock Divisors. RS232F Electrical Interface. 15 kv ESD Surge Serial Port Protection. Short-Circuit / Thermal and current protected RS232 transceivers. Transceivers contain onboard charge pump. Support is provided for Microsoft Windows 9x, ME, 2000, XP, XP64, NT4, 2003-32 bit, 2003-64 bit, QNX, OS/2 Warp 4.0 and Linux. Furthermore, Linux users will welcome the ease of installation of this advanced card by not having to rpile kernels, without embedding add-on device drivers, without inserting add-on modules. The Axxon LF799KB card is Plug and Play supported by all current Linux kernels. Gender: unisex.


Xinyetong RFID Card Reader

Xinyetong RFID Card Reader


Manhattan Serial PCI Express Card – Low-profile Plug-in Card – PCI Express x1 – PC – 2 x Number of Seria
l Ports External

Manhattan Serial PCI Express Card - Low-profile Plug-in Card - PCI Express x1 - PC - 2 x Number of Serial Ports External

PCI Express balances cost, performance, compatibility and advanced features for computing platforms. The Manhattan Serial PCI Express Card quickly and easily adds two DB9 ports to PCI Express-enabled desktop systems to connect and communicate with serial peripheral devices. Fast Data Transfer The Manhattan Serial PCI Express Card can be configured to achieve baud rates of up to 230,400 bps to take advantage of PCI Express data transfer speeds of up to 2.5 Gbps. Compliance with PCI Express 1.1 specifications ensures that most PCI Express Card-equipped desktop computers and devices can operate at peak performance. Simple Installation The Manhattan Serial PCI Express Card fits PCI Express x1, x4, x8 and x16 lane buses, and configurable COM port settings provide a flexible way to customize its use to various needs. Gender: unisex.


Manhattan Serial PCI Express Card – Low-profile Plug-in Card – PCI Express x1 – PC – 2 x Number of Serial Ports External

Manhattan Serial PCI Express Card - Low-profile Plug-in Card - PCI Express x1 - PC - 2 x Number of Serial Ports External

PCI Express balances cost, performance, compatibility and advanced features for computing platforms. The Manhattan Serial PCI Express Card quickly and easily adds two DB9 ports to PCI Express-enabled desktop systems to connect and communicate with serial peripheral devices. Fast Data Transfer The Manhattan Serial PCI Express Card can be configured to achieve baud rates of up to 230,400 bps to take advantage of PCI Express data transfer speeds of up to 2.5 Gbps. Compliance with PCI Express 1.1 specifications ensures that most PCI Express Card-equipped desktop computers and devices can operate at peak performance. Simple Installation The Manhattan Serial PCI Express Card fits PCI Express x1, x4, x8 and x16 lane buses, and configurable COM port settings provide a flexible way to customize its use to various needs. Gender: unisex.


StarTech.com 2 Port PCIe Serial Adapter Card with 16550 – 2 x 9-pin DB-9 Male RS-232 Serial PCI Express

StarTech.com 2 Port PCIe Serial Adapter Card with 16550 - 2 x 9-pin DB-9 Male RS-232 Serial PCI Express

Includes half-height/low profile mounting bracket Selectable power output on pin 9 for the serial port Two high speed RS232 serial ports with support for data transfer rates up to 460.8 Kbps Compliant with PCI Express base specifications revision 1.0a Native single-Chip, single lane PCI Express 128-byte deep FIFO per transmitter and receiver