Ethernet/Networking Cards & Adapters
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USB - 1 Port(s) - 1 x Network (RJ-45) - Twisted Pair - 10/100Base-TX - DesktopFREE Shipping Orders $45+$18.18
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Add a DB9 RS-232 null modem serial port to a computer using a USB-A port; Interchangeable DB9 Screws/Nuts; Screws pre-installed; Nuts included for device/cable compatibility; 3.3ft/1m Cable; Copper shielding; LED Indicators; FTDI; Windows/macOS/LinuxFREE Shipping Orders $45+$33.44
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Intelligent 100/1000Mbase-T to SFP Media ConverterFREE Shipping$56.61
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Data Center Monitoring | Adapter | 10Mb LAN/100Mb LAN | SNMP | USB PortFREE Shipping$298.00
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Add dual Gigabit Ethernet ports to a client, server or workstation through a PCI Express slot - Dual Port Gigabit PCI Express Server Network Card - PCIe Gigabit NIC - 2 Port 1 Gbps Dual Port Server Adapter Card - PCIe Dual NIC - Dual-Homed NICFREE Shipping$101.36
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USB PCIe card - 4x USB-A up to 10Gbps per port | 2x ASM3142 (2 ports/controller) up to 20Gbps total - USB 3.1/3.2 Gen 2 PCI Express expansion add-on adapter card - Multiple INs/UASP - Opt. SATA power - Full profile PCI-e 2.0 x4 slot - Win/Linux/macOSFREE Shipping$125.38
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PCI Express 3.0 x8 - 2 Port(s) - Optical Fiber - 25GBase-X - SFP28 - MezzanineFREE Shipping$815.29
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Single-port Gigabit Ethernet server adapter designed for entry-level servers and audio-video applications.FREE Shipping$52.48
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Data Center Monitoring | Adapter | 10Mb LAN/100Mb LAN |Micro-USB PortFREE Shipping$231.73
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12Gb/s SAS - PCI Express 3.0 x8 - Plug-in Card - 2 x SFF-8643 - 8 Total SAS Port(s) - 8 SAS Port(s) Internal - PC, LinuxFREE Shipping$314.67
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Cisco GLC-LH-SM Compatible SFP - 1000BASE-LX/LH 1 Gbps - 1GbE Module - 1GE Gigabit Ethernet SFP 1310nm - Single Mode (SMF)/Multi Mode (MMF) Transceiver - 10km (6.2mi) - LC Connector - Hot-Swappable & MSA Compliant - Lifetime WarrantyFREE Shipping Orders $45+$44.87
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10/25GbE network adapter optimized to meet the performance needs for dynamic workloadsFREE Shipping$253.83
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100% compatible and guaranteed to workFREE Shipping$509.16
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StarTech.com Thunderbolt 3 to FireWire Adapter - External PCI Enclosure - PCIe Card plus TB3 ChassisThe Thunderbolt 3 to 1394 FireWire adapter connects your FireWire peripherals to your Thunderbolt 3 computer - PCIe card plus chassis - Thunderbolt 3 to FireWire 400 adapter - Thunderbolt 3 to FireWire 800 adapter - External PCI express enclosureFREE Shipping$365.33
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Add Gigabit Ethernet connectivity and two USB 3.0 ports to your laptop or tablet through a single USB port - USB Ethernet NIC network adapter with native driver support (Windows, Mac, Chrome OS) - USB network adapter and charging hub w/ Realtek chipFREE Shipping Orders $45+$41.28
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Add two Gigabit Ethernet ports and a USB 3.0 pass-through port to your laptop through a single USB 3.0 port - USB 3.0 Gigabit LAN Adapter with USB Port - USB 3.0 to 2 Port Gigabit Network Adapter - USB 3 NIC - 10/100/1000FREE Shipping$67.81
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PCI Express 2.0 - 128 MB/s Data Transfer Rate - 4 Port(s) - 4 - Twisted Pair - 1000Base-T - Plug-in CardFREE Shipping$322.91
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Flexible and Scalable 10/25GbE Network Adapter with Hardware Optimizations and Intelligent Offloads for Cloud and Network Virtualization DeploymentFREE Shipping$370.28
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Convert a Gigabit Ethernet connection over fiber using the Gigabit SFP of your choice - card module for media converter chassis - Gigabit Ethernet Fiber Optic Media Converter Card Module w/ Open SFP Slot - Fiber to Ethernet ConverterFREE Shipping$124.00
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Dual and quad-port energy-efficient adapters for NBASE-T and 10GBASE-T networksFREE Shipping$559.29
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PCI Express 4.0 x16 - 2 Port(s) - Optical Fiber - 100GBase-X, 50GBase-X, 40GBase-X, 25GBase-X, 10GBase-X - QSFP56 - StandupFREE Shipping$975.45
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2-Port PCIe Serial Card features on-board DIP switches allowing each DB9 port to operate in RS-232/RS-422/RS-485 independently; Jumpers provide the option of 12V/5V/RI @ 1.5A per port; Includes Low-Profile Brackets; Supports Windows/LinuxFREE Shipping$89.26
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Cisco SFP-GE-T Compatible SFP - 1000BASE-T 1 Gbps - 1GbE Module - 10/100/1000 Mbps Copper Transceiver - 100m (328ft) - RJ-45 Connector - Hot-Swappable & MSA Compliant - Lifetime WarrantyFREE Shipping$49.87
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4 Port USB PCIe Card (USB 3.1 Gen 2) - 2x ASM3142 controllers up to 20Gbps total - PCI Express expansion card; 10Gbps 2x USB-A/2x USB-C - Multiple INs - For USB/USB Type-C devices/SSD/NVMe - Optional SATA power - PCI-e 3.0 x4 slot; Full profileFREE Shipping$139.67
About Ethernet/Networking Cards & Adapters
Cables, cards and adapters will get you online no matter what your computer has on board.