Ethernet/Networking Cards & Adapters
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SYNX40998145 Ports - 10/100/1000Base-T - 2 Layer Supported - Rail-mountable, Wall Mountable - 2 YearFREE Shipping$206.30Buy Now -
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SYNX3653736Add 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 (Black) - An ideal laptop accessory for your Microsoft Surface Pro 4 / Surface Pro 3 / Surface 3 / Surface Pro 2 or Surface Book - 10/100/1000 Mbps USB 3.0 LAN Adapter - External USB Network Card - USB 3.0 to Gigabit NIC Network Adapter - Integrated USB 3.0 passFREE Shipping Orders $45+$35.49Buy Now -
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SYNX3442293(1)2 x 9-pin Type A Female USB 3.0 USB External, 1 x 15-pin SATA Power Internal - Plug-in CardFREE Shipping$55.74Buy Now -
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SYNX5018598(1)Add an external PCI Express 3.0 x16 slot and a 4K DisplayPort connection to your Thunderbolt 3 MacBook or laptop - Add PCIe cards such as an SSD / Ethernet or Fiber / Video Capture / USB / FireWire or eSata cards to your Thunderbolt 3 laptop - Add an additional PCIe card to a Thunderbolt 3 computer - Increased productivity with Thunderbolt 3 and up to 40GbpFREE Shipping$281.14Buy Now -
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SYNX5758149(1)The TAA compliant PCI Express Firewire card lets you add two FireWire 400 ports to your desktop PC allowing you to connect IEEE 1394A FireWire devices - The PCIE FireWire adapter is fully supported in Windows as well as macOS 10.10-10.13FREE Shipping Orders $45+$32.54Buy Now -
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SYNX60667301-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$50.61Buy Now -
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SYNX3471036(1)USB - External - 3 USB Port(s) - 1 Network (RJ-45) Port(s) - 3 USB 3.0 Port(s) - PC, Mac, LinuxFREE Shipping$53.55Buy Now -
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SYNX60667282-port USB PCIe card - ASM3142 host controller for 2x USB-A ports up to 10Gbps/port - USB 3.1/3.2 Gen 2 PCI Express 3.0 x2 expansion card - Add-on adapter card supports Multiple Ins - Opt. SATA power - Full or low-profile bracket - Win/Linux/macOSFREE Shipping Orders $45+$36.43Buy Now -
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SYNX5886710USB-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 Orders $45+$44.58Buy Now -
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SYNX2610012(1)Install half-height/low profile x1 PCI Express interface cards in a standard PCI expansion slot - PCI to PCI Express Adapter Card - PCI to PCIe Adapter Card - Use low profile PCIe expansion cards in a server/desktop motherboard PCI slot - Innovative bracket design adapts and secures the existing low profile/half-height bracket of the PCI CardFREE Shipping Orders $45+$38.45Buy Now -
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SYNX2249671(12)Add a 10/100/1000Mbps Ethernet port to any PC through a PCI slot - PCI Gigabit Ethernet - Gigabit Ethernet Adapter - Gigabit Network Card - Server Adapter - PCI - 10/100/1000 - 10Base-T 100Base-TX 1000Base-T - 1 Port PCI 32 Bit Gigabit Ethernet Network Adapter Card - Low and Full Profile Bracket IncludedFREE Shipping Orders $45+$17.60Buy Now -
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SYNX4299909Add two 10 Gigabit Ethernet ports (10Gbps) to a client or server or workstation through one PCI Express slot - Dual-port 10GbE network interface card with Intel X540 Chip - PCIe 10G NIC with two 100/1000/10G RJ45 ports - 2-port PCI Express 10 Gigabit NIC / 10gbase-T adapter card - 10Gb Ethernet server adapter with up to 20Gbps (full duplex) bandwidth per port - Fully complianFREE Shipping$331.28Buy Now -
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SYNX4547929(1)Add an Ethernet port to a server or workstation with support for 5 network speeds: 10G/5G/2.5G/1G/100Mbps - 1-Port PCI Express 10GBase-T / NBASE-T Ethernet Network Card - 5-speed network adapter card w/ PCIe 2.0 x4 interface - 10GBase-T & NBASE-T NIC - 1 port PCIe network adapter card - 10G PCIe NIC - 10G over copper network card - Supports 2.5 and 5GbpFREE Shipping$181.17Buy Now -
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SYNX5341259(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$61.17 $75.18Buy Now -
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SYNX5746936USB A to Ethernet Adapter securely connects to high-speed network using NBASE-T w/USB 3.1 Type-A over Cat 5e - 1X RJ45/LAN Port 3 Speed USB 3.0 NIC 2.5G/1G/100 Mbps Auto-Negotiation for max bandwidth Surface Book HP ZBook Dell Precision 2Yr WarrantyFREE Shipping$55.92Buy Now -
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SYNX55365852-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 bracket (Std incl) - Win/LinuxFREE Shipping$49.52Buy Now -
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SYNX58112722-port PCI Express RS232 serial controller card 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/ Std bracket (low profile incl) - Win/LinuxFREE Shipping$49.52Buy Now -
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SYNX55365841 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$46.61Buy Now -
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SYNX5740669USB 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 Orders $45+$42.56Buy Now
About Ethernet/Networking Cards & Adapters
Cables, cards and adapters will get you online no matter what your computer has on board.