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Displaying 871 to 900 (of 1701 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)
$27.99
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)
$7.99
StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART - Serial Adapter - PCI-X - RS-422/485 x 2, TAA (PCI2S4851050)
$45.99 $52.99
StarTech.com 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable - PCIe Serial Parallel Card (PEX2S1P553B)
$23.99
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
$14.99
OP320-A 3.7 inch Text Display HMI Support S485/RS232 Communication Port With Cable For PLC
$23.99
for Dell C4PDJ 0C4PDJ for Optiplex 3050 7040 7050 7060 3070 7070 MFF Serial Port
$17.99
CH9141 BLE UART Transparent Transmission 100m Distance，CH9141K BT Serial Port Module Evaluation Board New 2025 for Arrival High for Quality
$12.99
Fafeicy 2-Channel Serial Port Relay Module, RS232 UART Protocol DB9 Interface, Manual Operation, Relay Switch Board, Copper Contacts, Normally Open
$10.99
SIIG Single Serial Port/RS-232 and Single Parallel Port PCIe Card Compatible with 16C550 UART (JJ-E20311-S1)
$19.99
IO Crest SI-MPE15046 2 Port Serial DB9 Mini PCIe Controller Card (RS-232)
$10.99 $18.99
NOYITO RS422 to TTL UART MCU Serial Port Signal Mutual Conversion Module with Over-Voltage Over-Current Protection (3.3V)
$6.99
I/O Crest RS-232 DB9 Series 8x Serial (8S) 8 Port PCI-Express 2.0 x1 Card XR17V358 Chipset 16C550 UART
$43.99
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
$25.99 $35.99
Symcom MotorSaver RS-485 Communications Module/2-Wire for 777, 77C and 601 Models, Model RS485MS-2W
$77.99
StarTech.com 2-Port PCI Express Serial Card with 16C1050 UART - RS232 Low Profile Serial Card - PCI Serial Card, TAA (PEX2S1050)
$21.99 $30.99
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
$5.99
NOYITO RS232 to TTL Serial Port Module Bidirectional Transceiver Compatible with 3.3V 5V Hardware Automatic Flow Control with Over-Voltage Protection
$5.99
Siig - Dual Serial Pci Card
$78.99
StarTech.com 6ft (1.8m) 2-Port FTDI USB to Serial RS232 Adapter Cable with COM Retention, USB to RS232 Adapter - TAA
$40.99
GT200-DP-RS Universal Serial/PROFIBUS DP Gateway
$99.00
IO CREST 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15069
$20.99
SUNIX SP 1-Port RS-232 + 1-Port Parallel PCI-E Card (MIO6469A)
$14.99
Ebid-Dealz Replacement for Micro MFF Serial Port Module Interface Dell Optiplex 3070 5070 7070 DKJHY 0DKJHY CN-0DKJHY
$10.99
Waveshare RS232/485/422 to RJ45 Ethernet Module, TCP/IP to Serial, with POE Function, Bi-Directional Transparent Transmission, Suitable for Data Acquisition, Intelligent Instrument Monitoring, etc
$19.99
2-Port Expansion Card (ISA RS232 Serial and Parallel Port), 5V Adapter Card ISA COM1 COM2 LPT Card PC Adapter
$19.99
StarTech.com 2-Port Serial PCIe Card, Dual-Port PCI Express to RS232/RS422/RS485 DB9 Serial Card, Standard/Low-Profile Brackets, 16C1050 UART, ESD Protection, Windows/Linux, TAA
$43.99 $51.99
StarTech.com 8-Port PCI Express RS232 Serial Adapter Card, PCIe to Serial DB9 Card, 16C1050 UART, 15kV ESD - Windows Only, TAA
$99.00 $99.00
SIIG Legacy and Beyond Series 2 Port (Dual) Serial / RS-232 PCIe Card with 16C550 UART
$17.99
CON-485-PE9, RS232 to RS485 converter, bi-directional port powered, full-duplex RS232 port to a half-duplex two-wire RS485, high-performance, high reliability with a 5-year replacement warranty.
$10.99

Displaying 871 to 900 (of 1701 products)