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Serial Port Add-On Cards / Adapter Cards

Shentek specializes in the production of serial products. 
laptop and descktop docking stations, connectivity kits, add-on cards and hubs. 
Serial system add-on card, easy to install, high heat resistance, add multiple ports, safety equipment. 
Are your laptops and desktop computer missing the ports for work?
This product can be used whether your device is new or old. Let your device work with your old device.
If you need to customize the mass production products, contact us.
1 port Parallel Universal PCI card I/O Address for 378 and 278, Standard and Low Profile Bracket
1 port Parallel Universal PCI card I/O Address for 378 and 278, Standard and Low Profile Bracket
SALE -14%
$36.90

AVAILABILITY: In stock

$36.90

Features and Benefit

        Expands 1 port Parallel for your system

        Compatible with 3.3V/5V PCI and PCI-x slot

        Supports Industrial Specification

        Parallel – Compatibility mode, Nibble mode, Byte mode, EPP mode, and ECP mode)

        16byte : EPP/ECP mode

        I/O Address remap –Parallel – 378 and 278

        Supports Microsoft Windows, Linux

1 port High Speed Serial RS-232 Universal PCI card support Pin1 – 5V/12V/DCD, Pin9 - 5V/12V/RI Selectable and Standard and Low Profile Bracket
1 port High Speed Serial RS-232 Universal PCI card support Pin1 – 5V/12V/DCD, Pin9 - 5V/12V/RI Selectable and Standard and Low Profile Bracket
SALE -15%
$34.90

AVAILABILITY: In stock

$34.90

Features and Benefit

        Expands 1 com ports for your system

        High Speed Baud Rate up to 921.6Kbps

        Compatible with 3.3V/5V PCI and PCI-x slot

        Power Supply through communication line(RI signal)

        Built-in 15KV ESD protection

        Supports Industrial Specification

        256 byte FIFOs integrated UART

        Supports 5V/12V Selectable

        Supports Microsoft Windows, Linux, and DOS drivers

serial RS232 16 port PCIe Card
serial RS232 16 port PCIe Card
SALE -13%
$253.90

AVAILABILITY: In stock

$253.90

Features and Benefit

        Expands 16 com ports for your system

        High Speed Baud Rate up to 921.6Kbps

        Design to meet PCI Express 2.0 Gen 1 compliant

        Supports PCI Express x1, x2, x4, x8, and x16 Lane

        Built-in 15KV ESD protection

        Supports Industrial Specification

        256 byte FIFOs

        Supports Microsoft Windows, Linux, and QNX drivers

2 port Serial RS-232 Mini PCI Express(Mini PCIe) card + 2.5KV Isolation Protection
2 port Serial RS-232 Mini PCI Express(Mini PCIe) card + 2.5KV Isolation Protection
SALE -13%
$71.90

AVAILABILITY: In stock

$71.90

Features and Benefit

        Expands 2 com RS232 ports for your system

        Baud Rate up to 460Kbps

        Design to meet PCI Express 2.0 Gen 1 compliant

        Built-in 15KV ESD protection

        Supports Industrial Specification

        256 byte FIFOs

        Supports 2.5KV Isolation protection

        Supports Microsoft Windows, Linux, and QNX drivers

2 port High Speed Serial RS-232 + 1 port Parallel Universal PCI card support Pin1 – 5V/12V/DCD, Pin9 - 5V/12V/RI Selectable and Standard and Low Profile Bracket
2 port High Speed Serial RS-232 + 1 port Parallel Universal PCI card support Pin1 – 5V/12V/DCD, Pin9 - 5V/12V/RI Selectable and Standard and Low Profile Bracket
SALE -13%
$44.90

AVAILABILITY: In stock

$44.90

Features and Benefit

        Expands 2 com ports for your system

        High Speed Baud Rate up to 921.6Kbps

        Compatible with 3.3V/5V PCI and PCI-x slot

        Power Supply through communication line(RI signal)

        Built-in 15KV ESD protection

        Supports Industrial Specification

        256 byte FIFOs integrated UART

        Supports 5V/12V Selectable

        Parallel – Compatibility mode, Nibble mode, Byte mode, EPP mode, and ECP mode)

        16byte : EPP/ECP mode

        I/O Address remap – RS-232 for 3F8, 2F8, 3E8, and 2E8. Parallel – 378 and 278

        Supports Microsoft Windows, Linux

2 port High Speed Serial RS-232 Universal PCI card support Pin1 – 5V/12V/DCD, Pin9 - 5V/12V/RI Selectable and Standard and Low Profile Bracket
2 port High Speed Serial RS-232 Universal PCI card support Pin1 – 5V/12V/DCD, Pin9 - 5V/12V/RI Selectable and Standard and Low Profile Bracket
SALE -14%
$50.90

AVAILABILITY: In stock

$50.90

Features and Benefit

        Expands 2 com ports for your system

        High Speed Baud Rate up to 921.6Kbps

        Compatible with 3.3V/5V PCI and PCI-x slot

        Power Supply through communication line(RI signal)

        Built-in 15KV ESD protection

        Supports Industrial Specification

        256 byte FIFOs integrated UART

        Supports 5V/12V Selectable

        Supports Microsoft Windows, Linux, and DOS drivers

2 port Serial RS-232 PCI Express(PCIe) card + 2.5KV Isolation Protection
2 port Serial RS-232 PCI Express(PCIe) card + 2.5KV Isolation Protection
SALE -13%
$66.90

AVAILABILITY: In stock

$66.90

Features and Benefit

        Expands 2 com ports for your system

        Baud Rate up to 460Kbps

        Design to meet PCI Express 2.0 Gen 1 compliant

        Built-in 15KV ESD protection

        Supports Industrial Specification

        256 byte FIFOs

        Supports 2.5KV Isolation protection

        Supports Microsoft Windows, Linux, and QNX drivers

Half size 2 port RS485 Mini PCIe Card
Half size 2 port RS485 Mini PCIe Card
Sold out
$67.90

AVAILABILITY: Out of stock

$67.90

Features and Benefit

        Expands 4 com ports for your system

        High Speed Baud Rate up to 921.6Kbps

        Design to meet PCI Express 2.0 Gen 1 compliant

        Supports M.2 M Key(NGFF) slot size 2280

        Built-in 15KV ESD protection

        Supports Industrial Specification

        256 byte FIFOs

        Supports Microsoft Windows, Linux, and QNX drivers

4 port High Speed Serial RS-232/422/485 M.2(NGFF, M Key) Card - 2280
4 port High Speed Serial RS-232/422/485 M.2(NGFF, M Key) Card - 2280
SALE -13%
$116.90

AVAILABILITY: In stock

$116.90

Features and Benefit

        Expands 4 com ports for your system

        High Speed Baud Rate up to 921.6Kbps

        Design to meet PCI Express 2.0 Gen 1 compliant

        Supports M.2 M Key(NGFF) slot size 2280

        Built-in 15KV ESD protection

        Supports Industrial Specification

        256 byte FIFOs

        Supports Microsoft Windows, Linux, and QNX drivers

8 port High Speed Serial RS-422/485 Universal PCI card with 600W Surge and Standard and Low Profile Bracket
8 port High Speed Serial RS-422/485 Universal PCI card with 600W Surge and Standard and Low Profile Bracket
SALE -13%
$182.90

AVAILABILITY: In stock

$182.90

Features and Benefit

        Expands 8 com ports for your system

        High Speed Baud Rate up to 921.6Kbps

        Compatible with 3.3V/5V PCI and PCI-x slot

Max 10 device connectivity for 4 Wire RS-485(RS-422 Multi-Drop) mode

        Max 32 device connectivity for 2 Wire RS-485 mode

        Built-in 15KV ESD protection

        600W Surge protection

        Supports Industrial Specification

        256 byte FIFOs integrated UART

        Supports Microsoft Windows, Linux, and DOS drivers

Industrial Surge ESD Protection PCIe 8 port Serial Card RS485 RS422 Standard and Low Profile Bracket Manufactory in Taiwan
Sold out
$239.90

AVAILABILITY: Out of stock

$239.90

Features and Benefit

Expands 8 port Serial Card RS485 RS422 for your system

Communicate efficiently with connected device up to high-speed 921Kbps support

PCIe base specification 3.0/3.1 compliant backward compliant 1.0a / 1.1 / 2.0 / 2.1

Supports PCI Express x1, x2, x4, x8, and x16 Lane

Max 10 device connectivity for 4 Wire RS-485(RS-422 Multi-Drop) mode

Max 32 device connectivity for 2 Wire RS-485 mode

Extended operating temperature range -30°C to 75°C

Protect your system from damage with integrated ESD Protection

600W Surge protection

Support Industrial Serial Card Specification

256 Byte FiFo per transmitter and receiver

Supports Microsoft Windows, Linux, and QNX drivers

Standard profile bracket or two low profile(half-height) bracket

A Key to M Key Adapter M.2 Card
A Key to M Key Adapter M.2 Card
SALE -7%
$25.90

AVAILABILITY: In stock

$25.90

Features and Benefit

        Supports M.2 A Key Card

        Supports M.2 size 2230 / 2242 / 2260 /2280

        None Driver needs(for 52058)

B M key M.2 to Mini PCIe Card adapter
B M key M.2 to Mini PCIe Card adapter
SALE -13%
$26.90

AVAILABILITY: In stock

$26.90

Supports Mini PCIe Card

B /M Key M.2 slot

supports PCIe * 1 lane signal  – B M Key and Mini PCIe

supports USB signal – B key and Mini PCIe

Supports Mini PCIe Card size Full size and Half size

None Driver needs for 52072

E Key to M Key Adapter M.2 Card
E Key to M Key Adapter M.2 Card
SALE -13%
$26.90

AVAILABILITY: In stock

$26.90

Features and Benefit

        Supports M.2 E Key Card

        Supports M.2 size 2230 / 2242 / 2260 /2280

        None Driver needs(for 52058)

Serial RS232 RS422 RS485 gigalan switching converter adapter Extender
Serial RS232 RS422 RS485 gigalan switching converter adapter Extender
Sold out
$99.90

AVAILABILITY: Out of stock

$99.90

Features and Benefit

        Expands 1 port Parallel for your system

        Design USB to 1 port Parallel Adapter Card

        Parallel –ECP mode)

        Supports Microsoft Windows, Linux