Ethernet/Networking Cards & Adapters
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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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3.28 ft SFP+ Network Cable for Network Device - First End: 1 x SFP+ Network - Second End: 1 x SFP+ Network - 10 Gbit/sFREE Shipping$53.27
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(3)USB C PCI Express card w/ Multiple INs maintains max speed w/mixed speed devices - 2-Port USB-C 10Gbps Expansion Host Controller Card - USB Type-C Add-On Card Adapter w/UASP - 15W per port (5V/3A) - Full/low-profile PCIe 3.0 x4 - Windows/Linux/macOSFREE Shipping$54.24
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Juniper SFP-1GE-FE-E-T Compatible SFP - 1000BASE-T 1Gbps - 1GbE Module - 1GE Gigabit Ethernet SFP Copper Transceiver - 100m (328ft) - RJ-45 Connector - Hot-Swappable & MSA Compliant - Lifetime WarrantyFREE Shipping Orders $45+$42.31
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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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Network up to 5 Ethernet devices through a rugged, industrial Gigabit Ethernet switch - 5 Port Unmanaged Industrial Gigabit Ethernet Switch - DIN Rail / Wall-Mountable Network Switch - Rugged IP30-Rated Gigabit Switch - Industrial Ethernet SwitchFREE Shipping$207.09
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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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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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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
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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 3.0 - 1 Port(s) - 1 x Network (RJ-45) - Twisted PairFREE Shipping Orders $45+$41.90
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(6)10/100/1000 MbpsFREE Shipping Orders $45+$25.43
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USB 3.1 Type C - 1 Port(s) - 1 - Twisted PairFREE Shipping Orders $45+$24.55
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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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PCI Express x4 - 1 Port(s) - Optical Fiber - 10GBase-X - Plug-in Card - TAA CompliantFREE Shipping$321.93
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(11)Add two flushmount USB 3.0 ports to your ExpressCard-enabled laptop - 2 Port Flush Mount 54mm ExpressCard USB 3.0 Card Adapter with UASP Support - ExpressCard USB 3 Controller - USB 3.0 Expresscard - Laptop Card - USB 3.0 Adapter - USB3 CardFREE Shipping Orders $45+$37.46
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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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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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Get the scalability you need by adding 7 USB 3.0 ports with SATA power to your computer - PCIe USB 3.0 Adapter Card - Standard & Low-Profile - UASP Support - 1 Internal & 6 External Ports - Native OS Support in Windows 8 & 8.1 - Backward compatibleFREE Shipping$73.86
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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
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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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Dual Profile Single Port Gigabit Ethernet PCIe Adapter adds one high-speed Gigabit Ethernet port to PCI Express enabled desktop computers and workstations - Supports 10/100/1000Mbps data transfer rate - auto-negotiation and full duplex mode to enhance your network's performance and reliability - 1Gbps RJ45 Ethernet Network - Wark on Lan - LEDs indicate - Dual size bracket - Works in any available PCI Express slot - 2FREE Shipping Orders $45+$32.61
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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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1 x LC Duplex 1000Base-LX Network1.25FREE Shipping$83.90
About Ethernet/Networking Cards & Adapters
Cables, cards and adapters will get you online no matter what your computer has on board.