Ethernet/Networking Cards & Adapters
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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+$41.50
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Connect a PCI Express-based desktop or rackmount PC directly to a fiber optic network using the Gigabit SFP of your choice - PCI Express Gigabit Ethernet Fiber Network Card w/ Open SFP - PCIe SFP Network Card Adapter NIC - PCI Express SFP AdapterFREE Shipping$207.10
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PCI Express 3.0 x8 - 2 Port(s) - Optical Fiber - 25GBase-X - SFP - Plug-in CardFREE Shipping$304.05
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(1)Cisco GLC-LH-SMD Compatible SFP - 1000BASE-LH 1 Gbps - 1GbE Module - 1GE Gigabit Ethernet SFP 1310nm - Single Mode (SMF) Transceiver - 20km (12.4mi) - LC Connector DDM - Hot-Swappable & MSA Compliant - Lifetime WarrantyFREE Shipping$58.22
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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$64.02
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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 3.0 Type A - 128 MB/s Data Transfer Rate - 1 Port(s) - 1 - Twisted Pair - 10/100/1000Base-T - PortableFREE Shipping Orders $45+$28.59
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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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100% compatible and guaranteed to workFREE Shipping$48.34
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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+$42.49
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(127)1 Port(s) - 1 - Twisted Pair - DesktopFREE Shipping Orders $45+$36.76
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Intelligent 100/1000Mbase-T to SFP Media ConverterFREE Shipping$60.61
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PCIe Network Adapter Card Dual NIC ports Network Interface Card 2x 10 GbE RJ45 Ports - Intel X550AT Chip - 10GBASE-T / NBASE-T, Muli-Gigabit 1/2.5/5/10 Gbps, PCIe 3.0 x4, 15K Jumbo Frames, VLAN, PXE - Supports FCoE & iSCSI - 2 year warrantyFREE Shipping$459.22
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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$687.51
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$30.36
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USB Type C - 12.50 MB/s Data Transfer Rate - 1 Port(s) - 1 - Twisted Pair - 10/100Base-T - PortableFREE Shipping$219.50
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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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MulticolorFREE Shipping$354.28
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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 - 1 Port(s) - 1 x Network (RJ-45) - Twisted Pair - 10/100Base-TX - DesktopFREE Shipping Orders $45+$21.29
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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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USB Type C - External - 3 USB Port(s) - 1 Network (RJ-45) Port(s) - 3 USB 3.0 Port(s)FREE Shipping$75.02
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PCI Express 3.1 x8 - 2 Port(s) - Optical Fiber - 25GBase-X, 10GBase-X - Plug-in CardFREE Shipping$356.74
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(1)USB-C to Gigabit Ethernet AdapterFREE Shipping Orders $45+$24.06
About Ethernet/Networking Cards & Adapters
Cables, cards and adapters will get you online no matter what your computer has on board.