Ethernet/Networking Cards & Adapters
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(1)USB-C to Gigabit Ethernet AdapterFREE Shipping Orders $45+$24.06
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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+$37.76
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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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(1)Add front or rear panel USB 3.0 ports to your computer case using USB 3.0 motherboard-style headers - 4 Port PCI Express USB 3.0 Card - 2 External & 2 Internal - SATA Power - UASP Support - 2 Internal Headers - Adapter Card w/ Win 8 Native OS SupportFREE Shipping Orders $45+$37.74
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(48)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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1 x LC Duplex 1000Base-LX Network1.25FREE Shipping$83.90
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PCI Express x4 - 1 Port(s) - Optical Fiber - 10GBase-X - Plug-in Card - TAA CompliantFREE Shipping$321.93
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USB 3.0 - 1 Port(s) - 1 x Network (RJ-45) - Twisted PairFREE Shipping Orders $45+$41.90
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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$59.27
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For Optical Network, Data Networking - 1 x LC 1000Base-X Network - Optical Fiber - Multi-mode - Gigabit Ethernet - 1000Base-X - Hot-pluggable - TAA CompliantFREE Shipping$74.95
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100% compatible and guaranteed to workFREE Shipping Orders $45+$8.61
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USB 3.1 Type C - 1 Port(s) - 1 - Twisted Pair - 10/100/1000Base-T - DesktopFREE Shipping Orders $45+$16.69
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1 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 - Expansion card w/low profile (Std bracket incl) - Win/LinuxFREE Shipping$48.75
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This Thunderbolt 3 network adapter connects your Thunderbolt 3 device to a 10GbE network via a PCIe expansion chassis - Thunderbolt 3 to fiber / Thunderbolt 3 expansion chassis / Thunderbolt 3 PCIe enclosure / Thunderbolt 3 PCIe expansion chassisFREE Shipping$683.51
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USB C Gigabit Ethernet adapter securely connects to wired network (LAN) using RJ45 on USB C or Thunderbolt 3 device - White USB C NIC adds extra USB 3.1 Type-A Port - Realtek RTL8153 - Compact - Apple MacBook Pro/ Surface/Chromebook - 2 Yr WarrantyFREE Shipping$46.77
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(2)Add 2 SuperSpeed USB 3.0 ports with SATA power to your PCI Express-enabled PC - 2 Port PCI Express (PCIe) USB 3.0 Card Adapter with UASP - SATA Power - Dual Port USB 3 PCIe Controller - PCI Express USB 3.0 Add-on Card - 5Gbps USB 3 Adapter CardFREE Shipping Orders $45+$27.95
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USB-A USB-C PCI Express card w/Multiple INs maintains max speed w/mixed speed devices - 2-Port 10Gbps Expansion Host Controller Card 1xUSB-C and 1xUSB-A - PCIe 3.0 x4 Add-on Card Adapter w/ UASP - Windows/Linux/macOS - Incl. full/low-profile bracketFREE Shipping$49.61
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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
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USB 3.1 Type C - 1000Base-X - PortableFREE Shipping Orders $45+$19.95
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100% compatible and guaranteed to workFREE Shipping$205.24
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USB - 1 Port(s) - 1 x Network (RJ-45) - Twisted Pair - 10/100/1000Base-TFREE Shipping Orders $45+$32.97
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Single-port Gigabit Ethernet server adapter designed for entry-level servers and audio-video applications.FREE Shipping$53.31
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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+$30.79
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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 Orders $45+$36.75
About Ethernet/Networking Cards & Adapters
Cables, cards and adapters will get you online no matter what your computer has on board.