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Serial Port Cards


Displaying 1 to 20 (of 58 products)

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 , TAA (PEX1S953LP)

$45.82

$ 22 .99 $22.99

4.9
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PCIe Serial Expansion Card, 2 Port PCI Express 1.0 x 1 to Industrial DB9 COM RS232 Converter Adapter Controller for Desktop PC (Will Also Work on PCI-E x4, x8, x16 Slot)

$12.99

$ 6 .99 $6.99

5.0
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StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART - Serial Adapter - PCI-X - RS-422/485 x 2, TAA (PCI2S4851050)

$90.92

$ 44 .99 $44.99

4.3
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StarTech.com 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable - PCIe Serial Parallel Card (PEX2S1P553B)

$40.39

$ 20 .99 $20.99

5.0
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2-Port PCIe Serial Expansion Card with Industrial DB9 RS232 COM Ports, 16C550 UART WCH382 Chip for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs, Low Bracket Included

$21.98

$ 9 .99 $9.99

4.8
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OP320-A 3.7 inch Text Display HMI Support S485/RS232 Communication Port With Cable For PLC

$38.47

$ 16 .99 $16.99

4.8
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for Dell C4PDJ 0C4PDJ for Optiplex 3050 7040 7050 7060 3070 7070 MFF Serial Port

$32.67

$ 14 .99 $14.99

4.4
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CH9141 BLE UART Transparent Transmission 100m Distance，CH9141K BT Serial Port Module Evaluation Board New 2025 for Arrival High for Quality

$19.99

$ 9 .99 $9.99

4.5
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Fafeicy 2-Channel Serial Port Relay Module, RS232 UART Protocol DB9 Interface, Manual Operation, Relay Switch Board, Copper Contacts, Normally Open

$15.85

$ 6 .99 $6.99

5.0
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SIIG Single Serial Port/RS-232 and Single Parallel Port PCIe Card Compatible with 16C550 UART (JJ-E20311-S1)

$35.90

$ 16 .99 $16.99

4.5
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IO Crest SI-MPE15046 2 Port Serial DB9 Mini PCIe Controller Card (RS-232)

$16.99

$ 7 .99 $7.99

4.6
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NOYITO RS422 to TTL UART MCU Serial Port Signal Mutual Conversion Module with Over-Voltage Over-Current Protection (3.3V)

$8.99

$ 4 .99 $4.99

4.6
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I/O Crest RS-232 DB9 Series 8x Serial (8S) 8 Port PCI-Express 2.0 x1 Card XR17V358 Chipset 16C550 UART

$68.78

$ 29 .99 $29.99

4.7
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StarTech.com PCIe Card with Serial and Parallel Port - PCI Express Combo Adapter Card with 1x DB25 Parallel Port & 1x RS232 Serial Port - Expansion/Controller Card - PCIe Printer Card, TAA

$47.99

$ 24 .99 $24.99

4.8
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Symcom MotorSaver RS-485 Communications Module/2-Wire for 777, 77C and 601 Models, Model RS485MS-2W

$150.98

$ 74 .99 $74.99

5.0
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StarTech.com 2-Port PCI Express Serial Card with 16C1050 UART - RS232 Low Profile Serial Card - PCI Serial Card, TAA (PEX2S1050)

$43.36

$ 18 .99 $18.99

4.4
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PCI-E to Serial, Asixx PCI-E to Serial Card, PCI-E PCI Express to Serial DB9 RS232 2-Port Controller Adapter Card Compliant with PCI Express Specification Revision 1.1

$8.59

$ 3 .99 $3.99

4.5
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NOYITO RS232 to TTL Serial Port Module Bidirectional Transceiver Compatible with 3.3V 5V Hardware Automatic Flow Control with Over-Voltage Protection

$8.99

$ 3 .99 $3.99

4.9
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Siig - Dual Serial Pci Card

$132.50

$ 65 .99 $65.99

5.0
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StarTech.com 6ft (1.8m) 2-Port FTDI USB to Serial RS232 Adapter Cable with COM Retention, USB to RS232 Adapter - TAA

$66.65

$ 26 .99 $26.99

4.4
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Displaying 1 to 20 (of 58 products)