Ethernet/Networking Cards & Adapters
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(4)Install half-height/low profile x1 PCI Express interface cards in a standard PCI expansion slotFREE Shipping$58.28
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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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$17.06
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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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USB Type C - 640 MB/s Data Transfer Rate - 1 Port(s) - 1 - Twisted Pair - 1000Base-T - DesktopFREE Shipping$74.84
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USB 3.0 network adapter adds an Ethernet port to your laptop/desktop - USB to RJ45 Ethernet adapter; 4K Jumbo Frames; VLAN Tagging; WoL - USB NIC adapter; USB bus powered - ASIX AX88179A; Windows/macOS/Ubuntu/ChromeOS - USB-A 3.2 Gen 1; TAA CompliantFREE Shipping Orders $45+$30.36
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Connect to a Gigabit network through the USB-C port on your computer - USB 3.1 Gen 1 (5Gbps) - USB Type C to Ethernet - Works w/ latest MacBook & Chromebook Pixel - USB C to Lan Adapter - USB C to RJ45 Adapter - USB C Network Adapter - USB PoweredFREE Shipping Orders $45+$33.99
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12 Ports - Manageable - Gigabit Ethernet - 10/100/1000Base-T, 100/1000Base-X - 3 Layer Supported - Modular - 2 SFP Slots - 21.90 W Power Consumption - 139 W PoE Budget - Twisted Pair, Optical Fiber - PoE Ports - 1U High - Rack-mountable, Cabinet Mount, Surface Mount, Wall Mountable - Lifetime Limited WarrantyFREE Shipping$579.17
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PCI Express x1 - 1 Port(s) - 1 - Twisted Pair - 10/100/1000Base-T - Plug-in CardFREE Shipping Orders $45+$23.86
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(7)Add 7 USB 2.0 Ports to your PC through a PCI slot - pci to usb - pci usb controller - usb 2.0 card - pci to usb adapter - pci usb cardFREE Shipping Orders $45+$33.45
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Delivers 80MHz to 160MHz, Ultra-Low LatencyFREE Shipping$55.63
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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$147.70
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PCI Serial Parallel Combo Card adds 1x Parallel + 2x Serial RS232 ports - Up to 1.5Mbps Parallel LPT (DB25)/115.2Kbps Serial COM (DB9) - SPP/Byte/ECP/EPP modes - Asix MCS9865 - Expansion card - 2xStandard brackets (3xlow profile incl) - Windows/LinuxFREE Shipping Orders $45+$33.88
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1 x RJ-45 1000Base-T LAN - TAA CompliantFREE Shipping$164.89
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(2)Convert and extend a Gigabit Ethernet connection over fiber using the Gigabit SFP of your choice - Fiber to Ethernet Converter with Open SFP Slot - Gigabit Ethernet Media Converter - Fiber Optic Media Converter - Fiber Optic to Ethernet ConverterFREE Shipping$198.39
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(2)Adds a GbE connection your computer - Instant connection with native driver support - Supports 10 / 100 / 1000 Mbps with auto-detection - Access large files with checksum and large send offload - Compatible with USB Type C and Thunderbolt 3 devicesFREE Shipping Orders $45+$33.73
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(1)Running low on expansion slots? Merge USB 3.0 and GbE into a single PCIe combo card - 3 Port PCI Express USB 3.0 Card + Gigabit Ethernet - Fits Standard & Low-Profile PCs - UASP - SATA Power - USB 3 with Network Adapter Card - Backward CompatibleFREE Shipping$66.55
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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$45.31
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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$134.59
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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$111.79
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(2)USB 3.0 - 1 x Network (RJ-45) - Twisted PairFREE Shipping Orders $45+$35.80
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Flexible and Scalable 10/25GbE Network Adapter with Hardware Optimizations and Intelligent Offloads for Cloud and Network Virtualization DeploymentFREE Shipping$391.89
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(1)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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USB 3.1 Type C - 1 Port(s) - 1 - Twisted Pair - 10/100/1000Base-T - DesktopFREE Shipping Orders $45+$17.42
About Ethernet/Networking Cards & Adapters
Cables, cards and adapters will get you online no matter what your computer has on board.