Ethernet/Networking Cards & Adapters
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100% compatible and guaranteed to workFREE Shipping$509.16
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(2)1-Port USB 3.2 Gen 2x2 PCIe card with 1x USB Type-C Port - Up to SuperSpeed 20Gbps - USB-C PCI Express host controller card supports Multiple INs / UASP - Up to 15W of power - Full or low-profile PCI-e x4 slot add-on expansion card - Win/Linux/macOSFREE Shipping$56.29
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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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(1)Convert and extend a Gigabit Ethernet connection up to 24.8 miles/40km over Single Mode LC fiber - fiber converter - ethernet media converter - fibre converter - gigabit media converter - 1000base-sxFREE Shipping$386.86
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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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(10)Add 4 external USB 3.0 ports to a low profile or standard computer, through PCI Express - 4 Port PCI Express SuperSpeed USB 3.0 Controller Card Adapter with UASP - SATA Power - USB 3 PCIe Card - USB 3.0 PCI-e Card - 4 Port USB 3.0 PCI Express CardFREE Shipping$47.79
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(6)10/100/1000 MbpsFREE Shipping Orders $45+$25.43
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(9)Add four USB 3.0 ports with four independent channels, LP/SATA power, and charging support to your PC through a PCI Express slot - 4 Port PCIe SuperSpeed USB 3.0 Card w/ 4 Dedicated 5Gbps Channels - UASP - SATA/LP4 - Quad Port USB 3.0 PCIe ControllerFREE Shipping$110.70
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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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(1)PCI Express 3.0 x4 - 1 Port(s) - 1 - Twisted Pair - 10GBase-T - Plug-in CardFREE Shipping$158.48
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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
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5PX G2 1440VA Rack/Tower UPS - 5 Minute StandFREE Shipping$919.21
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100% compatible and guaranteed to workFREE Shipping$61.49
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Add a DB9 RS-232 serial port to a desktop/laptop using a USB-A port; Interchangeable Screws/Nuts; DB9 screws pre-installed; DB9 Nuts included for device/cable compatibility; Rugged TPE housing; Copper shielding; LED Indicators; Windows/macOS/LinuxFREE Shipping Orders $45+$37.42
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(46)USB 3.0 Type A - 125 MB/s Data Transfer Rate - 1 Port(s) - 1 - Twisted Pair - 10/100/1000Base-T - PortableFREE Shipping Orders $45+$20.86
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Serial ATA/600 - PCI Express x1 - Low-profile - Plug-in Card - 4 Total SATA Port(s) - 4 SATA Port(s) InternalFREE Shipping Orders $45+$34.45
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PCI Express 2.1 x1 - Intel I210-IS - 1 Port(s) - Optical Fiber - Low-Profile Bracket Height - 1000Base-T, 1000Base-KX, 1000Base-SX, 1000Base-LX - SFP (mini-GBIC) - Plug-in CardFREE Shipping$114.98
About Ethernet/Networking Cards & Adapters
Cables, cards and adapters will get you online no matter what your computer has on board.