10 Best serial port cards in India

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Last Updated - 27/05/2026

Best Choice
01

GANIX
75% Off

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Ganix PCIE 2 Port Serial Expansion Card PCI Express to Industrial DB9 RS232 COM Port Adapter WCH382 Chip for Desktop PC Windows 10/ Win 7
9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

This card capability allow for upgrade with additional serial cards to your computer easily.
Plug and Play, Automatically selects IRQ & IO address, Supports IRQ sharing.
Operating System: Windows 32bit 2000/XP/2003 Server/Vista and 64bit XP/2003 Server/Vista/WIN7/WIN8/WIN10 / Linux
Compliant with ExpressCard/34mm Standard; Compatible to 1-Lane (x1) PCI-Express Throughput.
2 x 16550 Fast Uart serial port, data transfer rate support up to 115200bps.

₹749.00 ₹2,999.00 75% Off
02

CARE CASE
50% Off

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CARE CASE® 9-pin 2 Serial Ports PCI-e Controller Card PCIE-2S WCH DB9 to 2 Ports RS232, 1x 9-Pin Serial Ports DB9 RS232 PCI-E Card
9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Two (2) 9-pin RS-232 serial ports PCI Express x1 interface (will also work on PCI-E x16 slot)
PCIe Multi-function Peripheral controller x1 lane interface 16c450/550/Extended 550 compatible UARTs Bi-directional speed from 50 bps to 16 Mbps/port
Fully Compliant with PCI-e Base Specification, Revision 1.0a
Full serial modem control Supports hardware and software flow controls 4, 5, 6, 7 and 8-bit serial format support Even, Odd, None, space & Mark parity supported
Custom BAUD Rates supported with external clock or by programming internal PLL On-Chip 256-bit depth FIFOs in Transmit, Receive path of each serial port Supports remote wakeup and power management features Serial port transceiver shutdown support Support Slow IrDA on all serial ports

₹849.00 ₹1,699.00 50% Off
Best Value
03

StarTech
70% Off

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StarTech.com PCI Express Serial Card – 2 Port – Dual Channel 16C1050 UART – Serial Port PCI Card – Serial Expansion Card
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

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.
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.

₹9,376.94 ₹30,817.80 70% Off
04

ATEVON
56% Off

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Atevon PCI Serial Card with 9-Pin RS232 COM Port – Internal DB9 Interface Adapter for Desktop – High-Speed PCI Expansion Card Compatible with Windows PCs
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Wide Device Compatibility – Compatible with serial-based devices including industrial machinery, GPS modules, security systems, and medical equipment.
Stable & High-Speed Data Transmission – Ensures fast and secure communication with serial devices; ideal for industrial equipment, POS systems, and embedded systems.
PCI Serial Card with 9-Pin COM Port – Add a reliable RS232 serial port to your desktop PC for connecting legacy devices like modems, CNC machines, and barcode scanners.
Easy Installation in PCI Slot – Installs quickly into any standard PCI slot; includes driver support for Windows 10, 8, 7, XP, and Linux for smooth setup.
Durable Build & Trusted Brand – Atevon offers a robust, cost-effective serial communication solution for professional and industrial use, backed by solid quality.

₹655.00 ₹1,499.00 56% Off
05

SaiRetail.Com
57% Off

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SaiRetail.Com PCIE 2 Port Serial Expansion Card PCI Express to Industrial DB9 RS232 COM Port Adapter WCH382 Chip for Desktop PC Windows 10/ Win 7
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

This card capability allow for upgrade with additional serial cards to your computer easily. Note: Open the "CH38XDRV"file in the CD to install.
Plug and Play, Automatically selects IRQ & IO address, Supports IRQ sharing.
Operating System: Windows 32bit 2000/XP/2003 Server/Vista and 64bit XP/2003 Server/Vista/WIN7/WIN8/WIN10 / 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.
Compliant with ExpressCard/34mm Standard; Compatible to 1-Lane (x1) PCI-Express Throughput.
2 x 16550 Fast Uart serial port, data transfer rate support up to 115200bps.

₹780.00 ₹1,800.00 57% Off
06

LinksTek

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LinksTek 2 Port PCI Express Serial/RS-232/DB9/COM Port Card Adapter with 16C550 UART for Windows CE,XP,Vista,7,8.0,8.1,10(32/64bit) and Linux Systems-PCIE Serial Port Card(PCIE-SE2)
9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

6. ATTENTION: 1. Must make sure users PCs have empty PCIE slot.2. Slim PC users need change to low profile bracket by hand. 3.Please install correct driver from Mini-CD for desktop PCs.
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.
4. Selected by ASIX AX99100 solution supports on chip 256-byte depth FIFO in transmit. Works on Intel, AMD, ARM hardware platform.
3. Need to install driver on Windows XP, Vista, 7, 8.x, 10, 11 (32/64bit) systems. Linux kernel 2.6.x, 3.x, 4.x, 5.x need to refer compile source code from the driver CD.
2. Seamless connect to serial DB9 ports device such as POS system, industrial testing and control device, security system, logistic management equipment, scanners and printers.
1. PCIE-SE2 allow users add 2X RS232 BD9 serial Ports on desktop PCs or industrial devices by motherboard PCI Express slot.

₹4,333.00
07

Millennium TECHNOLOGY
51% Off

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Millennium Technology Pci Express 2 Port Serial Card Pci Express to RS232 (DB9) COM Port Adapter for Desktop with Low Bracket (PCIE-Serial) (2 Port Express Serial)
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

SUPPORT PLUG & PLAY
Low Profile Bracket - YES
Hardware Interface - PCI EXPRESS 1x
Compatibility - Windows 7/8/8.1/10/11 (32/64bits), Windows Vista (32/64 bits), Window XP (32/64bits)
Chipset - WCH 382

₹779.00 ₹1,599.00 51% Off
08

BOXNUBE
37% Off

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BOXNUBE 4 Port PCI-E RS232 Serial Card, 4 x Serial DB9 Port PCI Express Expansion Card for PC
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Supports serial port data transfer rates up to 115.2 Kbps, compatible with 16C550 UART
Single-lane(x1) PCI-Express with a transfer rate of 2.5 Gbps, Full-Duplex Channel ensures maximum performance and reliability
Perfect solution to connect with a POS system, industrial testing and control device, security system, logistic management equipment, etc.
Adds four RS-232 serial ports through an available PCI Express slot

₹1,570.00 ₹2,500.00 37% Off
09

MZHOU
50% Off

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MZHOU PCI-Express PCIe Expansion Card - 1X Serial COM interfaces - COM Port RS232 Interface - Adapter Converter Card, RS-232 Module with 4 Connections, 18-pin
8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

The adapter is a PCI-E 4-port RS232 serial port card, it has four ports so you can connect more HDMI cables as possible.
The adapter has four independent 18-pin standard serial ports, such as the integrated serial interface, which makes the connection more stable.
Perfect solution for connecting to POS systems, industrial test and control devices, security systems, logistics management systems, printers, scanners, etc.
Good performance - the adapter is well made, providing stable and effective data loss control. And it supports hot swap.
Data transfer rates of up to 250 Kbit / s on each port, compatible with 16C550 UART, 256 byte on-chip FIFO depth when sending.

₹1,200.00 ₹2,400.00 50% Off
10

Generic
57% Off

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Generic PCI-e 2 Serial 1 Parallel I/O Card PCI Express to RS232 com Port + Printer LPT
8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

₹775.00 ₹1,800.00 57% Off