4 port serial card

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SIM800L GPRS GSM Module Micro SIM Card Core Quad-band TTL Serial Port Antenna PCB Wireless WIFI Board for Arduino Smart Phone

NDUP H823 CPE 4G Router - 4 LAN Ports, Pocket WiFi, Mobile WiFi, 300Mbps, Wireless SIM Card, 3G LTE Modem

NDUP H822 WiFi Router - 4 LAN Ports, Pocket WiFi, LTE SIM Card Modem, 300Mbps, 4G Router, CAT 6

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USB C HUB 3.0 Type C 3.1 4 Port Multi Splitter Adapter OTG For Xiaomi Lenovo Macbook Pro 13 15 Air Pro PC Computer Accessories

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PCI E To USB Expansion Card Hub 4 USB2.0 Ports Support Hot Plug Internal USB Hub for Windows 10 8 7

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Laptop Computer 25Pin Diagnostic Card with USB Parallel Port PC Motherboard Analyzer 4-Digit Analysis Post Tester

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PCIE 1X To 4 Port R232 Serial Expansion Card for AX99100 Main Control Chip DB25 To DB9 R232

ST316 PCI E To 2 Port RS232 Extension Adapter Card Serial Card

PCI To 4 Port SATA Card 4 Independent Serial ATA Channels 1.5Gbps Transfer PCI SATA Controller for

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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

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PCIE To 6 Port Serial ATA3.0 Hard Drive 6G Extension Card for ASM1166 Chipset PCI E3.0 GEN3 4X Interface

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1x 5 Port(4+1) USB 2.0 PCI Expansion Card For Windows 98SE/Me/2000/XP/NT 4.0/XP

Gsm Module Smallest SIM800L GPRS GSM Module MicroSIM Card Core BOard Quad-band TTL Serial Port For Arduino

USB To 4 Way TTL Module CH9344 12Mbps Baud Rate UART Serial Port Module UART Transceiver 3.3V

USB3.0 Expansion Card 4 Port Adapter Card with SATA Power Port for NEC Master Control D720201

TXB179 M.2 To 4 Port RS232 Serial Card Adapter High Speed 4 Port RS232 Serial Controller Card for

USB To 4 Port RS232 Serial Adapter Supports Bidirectional Transmission 4 Ports USB 2.0 To Serial

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SIM800L GPRS GSM Module Micro SIM Card Core Quad-band TTL Serial Port Antenna PCB Wireless WIFI Board for Arduino Smart Phone

PCI To SATA Controller Adapter Card Converter 4 X Serial ATA Ports 1.5Gb/s

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CH9120 Ethernet Network Module 4 Mode 300bps To 150000bps RS232 Serial Port To RJ45 ETH Network

Riser Card PCI-E USB3.0 Port Multiplier Express PCIe 1 To 4 PCI-E

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5 Port (4 External +1 Internal) USB 2.0 PCI Expansion Card Plug and Play

Mini MP3 DF Player Module Board MP3 Audio Voice Decode Board for Arduino Supporting TF Card U-Disk IO/Serial Port/AD DFPlayer

PCIe 4.0 X16 To 4 Port NVMe Expansion Card SlimSAS 8i SFF8654 Graphics Card Hard

4-Port PCI-e To USB 3.0 Hub PCI Express Expansion Card Adapter 5Gbps + CD Driver

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9212‑4i for SAS 6GB 4‑port RAID STORAGE CONTROLLER CARD for LSI IT

DFPlayer Mini MP3 Player Module TF Card U Disk for Arduino Mini MP3 DF Player Audio Voice Module IO/Serial Port/AD MP3-TF-16P

4-Port NVMe Interfaces To PCIe X16 Converter Card Motherboard Support PCIe X4x4x4x4 Bifurcation with LED Indicator

Mini MP3 DF Player Module Board MP3 Audio Voice Decode Board for Arduino Supporting TF Card U-Disk IO/Serial Port/AD DFPlayer

Asus Tek Expansion Card ThunderboltEX 4 Dual Thunderbolt 4 Ports DisplayPort PCIe Interface (USB‑C) 1.4 3.0x4

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1/2/4 Port 2.5G PCIe Network Card 2.5 Gigabit Ethernet Interface Adapter RTL8125BG Chip PCIe Gigabit Network Card for Desktop PC

Expansion Card Adapter Converter PCI E RS232 4 Port Serial Port 2.5Gb S Full Duplex Channel

USB 3.0 Hub Card Reader 3/4 Port USB Desk Splitter Dock Station Memory Card Reader Dock Station for Desktop PC Desk

4 Port PCIE X4 Network Card 1001000bps High Speed for Intel I211 Chip PCIE Gigabit Network Card

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4 Port 1394 Expansion Card PCIE 1X To IEEE 1394 Video Adapter 1394 Controller Firewire Card for Desktop PC Accessories

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Serial ATA PCI Express Controller Adapter Card 2 Port PCIe To Serial ATA ESATA IDE Controller

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Adapter Card NVME M.2 To PCIE X16 4 Ports 32Gbps Expansion Card Computer Accessories with Enhanced

4 Port PCI-E To USB 3.0 PCI Express Expansion Card Adapter 5 Gbps Speed

PCIE Serial Card Minus40 To 85 Celsius 2 Port PCI Express X1 To DB9 COM RS232 Converter Adapter Controller

Mini PCIe Serial Parallel Expansion Card 6Gbps PCI Express To Printer LPT Port 2 Port RS 232 DP9

PCIE 1X To 1394A Card 4 Ports PCIE Firewire 1394A High Speed 2.5Gbps Bandwidth PCIe Firewire Card

4 Ports 5Gbps USB 3.0 PCI Express Expansion Card for Windows 11 10 for Server 2012 for Linux Built

SATA 3.0 Expansion Card 4-Port PCIE To SATA 3.0 Expansion Controller Card Adapter 6G

PCIE Expansion Card X4 X8 X16 To 5 Serial ATA 3.0 3.1 Port 6Gbps Plug and Play Fast Heat

USB 3.0 PCI Express Expansion Card Support for Windows 2000 System 5Gbps 4 Ports Ultra High Speed

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1 Pc 4-port/7-port USB Connector Computer Mouse Keyboard Memory Card Independent Switch Universal Hub

USB 3.0 PCI-E Expansion Card Adapter External 2 Port USB3.0 Hub Internal 19 Pin Header PCIE Card 4 Pin IDE Power Connector

2.5g 4 Port Nic RJ45 PCIE 1010010002500Mbps Fast Data Transfer 2.5 Gigabit Ethernet Card with