Ethernet/Networking Cards & Adapters
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(2)2.5GbE NBASE-T USB C to Ethernet adapter/NIC - Securely connects to networks over CAT 5e/RJ45/LAN cable - 3 speed 2.5G/1G/100 Mbps - Auto-Negotiation for max bandwidth - Works w/USB 3.0/3.1 Type C/TB3 /MacBook Pro/Mac Pro/Surface Book/iPhone 15 & upFREE Shipping Orders $45+$43.43
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Add a Gigabit Ethernet port and a USB 3.0 pass-through port to your laptop through a single USB 3.0 port - USB 3.0 to Gigabit Ethernet Adapter w/ USB Port (Black) - An ideal laptop accessory for Surface Pro 4, Surface Pro 3 or other Surface productsFREE Shipping Orders $45+$38.66
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(3)USB 3.2 (Gen 1) Type C - 640 MB/s Data Transfer Rate - 1 Port(s) - 1 - Twisted Pair - 10/100/1000Base-T - Desktop - SilverFREE Shipping$74.84
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Convert and extend a Gigabit Ethernet connection up to 550 m / 1804 ft over Multimode LC fiber - fiber converter - ethernet media converter - fibre converter - gigabit media converter - 1000base-sxFREE Shipping$212.96 $250.33
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Add one internal and one external SuperSpeed USB 3.0 to your PC - 2 port PCI Express SuperSpeed USB 3.0 Card with UASP Support - 1 Internal 1 External - Dual Port PCIe USB 3.0 Adapter - PCI Express USB 3.0 ControllerFREE Shipping Orders $45+$40.22
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(3)USB C multiport adapter to 4K HDMI video, GbE, USB-A (5Gbps/BC 1.2 1.5A Fast Charge), USB-C (100W PD 3.0 passthrough or data) - Mini USB-C travel dock for TB3/USB Type-C laptop ultrabook Chromebook tablet - Auto driver install - Windows macOS iPadOSFREE Shipping$54.32
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USB 3.1 (Gen 1) Type C - 1 Port(s) - 1 - Twisted Pair - 10/100/1000Base-TFREE Shipping Orders $45+$29.96
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PCIe Network Adapter Card w/1 Port 5GbE NIC for performance - 4 Speed Multi-Gigabit Ethernet 5Gbps/2.5G/1G/1M - Tehuti TN4010 - NBASE-T / 5GBASE-T, PCI Express 2.0 x4, 9K Jumbo Frame, VLAN, IEEE 802.3az, Link Aggregation, Full/Low profile - 2 YR warrFREE Shipping$92.14
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(1)Convert and extend a 10/100 Mbps Ethernet connection up to 1.2 miles/2km over Multi Mode SC fiber - fiber converter - ethernet media converter - fibre converter - 10/100 media converter - utp to fiberFREE Shipping$91.90
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Convert and extend a Gigabit Ethernet connection up to 550 m / 1804 ft over Multi Mode SC fiber - fiber converter - ethernet media converter - fibre converter - gigabit media converter - 1000base-sxFREE Shipping$247.76
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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$61.04
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For Data Networking, Optical Network - 1 x LC 1000Base-SX Network - Optical Fiber - Multi-mode - Gigabit Ethernet - 1000Base-SX - Hot-swappable - 1 Pack - TAA CompliantFREE Shipping Orders $45+$31.91
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1200Mbps High Speed Wi-Fi Data Rate - 867Mbps on 5G, 300Mbps on 2.4GFREE Shipping Orders $45+$43.71
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Dual and Quad-port 10GbE adapters with Hardware Optimization and Offloads for the Rapid Provisioning of Networks in an Agile Data CenterFREE Shipping$456.37
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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$101.11
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Add two RS232 serial ports (DB9) to your low or full-profile computer, through a PCI Express slot - 2-Port PCIe Serial Card with 16C1050 UART - RS232 - Dual Channel UART supports 16C1050 devices - 2-port PCIe RS232 serial card / PCI serial adapterFREE Shipping$55.80
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Add a Gigabit Ethernet port and a USB 3.0 pass-through port to your laptop through a single USB 3.0 port - USB 3.0 to Gigabit Ethernet Adapter with USB Port (White) - 10/100/1000 Mbps USB 3.0 LAN Adapter - External USB Network CardFREE Shipping Orders $45+$37.49
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Connect serial RS232 (DB9) devices, using this PC Serial Card. Supports 16C1050 UART. LED lights to monitor activity on the PCI express DB9 card - The UART PCIe card supplies 5/12V over pin 9. Continue using legacy hardware with this RS232 PCIe cardFREE Shipping$71.66
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Flexible and Scalable 10/25GbE Network Adapter with Hardware Optimizations and Intelligent Offloads for Cloud and Network Virtualization DeploymentFREE Shipping$359.20
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(1)This 10G capable PCIe network adapter card leverages existing Cat5e/6/6a cabling - Six Speeds NIC 10G/5G/2.5G/1G/100M/10M; Marvell AQC113CS; PCIe 3.0 x2; 16K Jumbo; PXE Boot; AVB; PTP - The 10Gb network adapter card is compatible with Windows/LinuxFREE Shipping$182.56 $210.92
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StarTech.com 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - 5Gbps - LP4 PowerAdd 2 SuperSpeed USB 3.0 ports to your PCI Express-enabled PC - 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - LP4 Power - Dual Port USB 3.0 PCIe Controller - Dual Profile PCI Express 5Gbps USB 3 AdapterFREE Shipping$46.23
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Supports IEEE 802.3az Energy Efficient Ethernet (EEE)FREE Shipping$266.81
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4 port PCI Express RS232 serial controller card w/16950 UART/ASIX AX99100 - Bi-directional speeds 921.6Kbps/port | 256 byte FIFO | 9th data bit - Pin 9 pwr out 5v/12v/none w/up to 2A total - Std bracket (low profile incl); Breakout cable - Win/LinuxFREE Shipping$130.18
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9.84 ft SFP+ Network Cable for Network Device - First End: 1 x SFP+ Network - Second End: 1 x SFP+ Network - 10 Gbit/sFREE Shipping$71.84
About Ethernet/Networking Cards & Adapters
Cables, cards and adapters will get you online no matter what your computer has on board.