Ethernet/Networking Cards & Adapters
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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+$36.57 $42.06
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100% compatible and guaranteed to workFREE Shipping$209.24
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PCI Express 2.0 x1 - 4 x DB-9 RS-232 - Serial, Via Cable - Plug-in Card - TAA CompliantFREE Shipping$103.45
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Dual and quad-port gigabit Ethernet server adapters designed with performance enhancing features and power management technologiesFREE Shipping$157.61
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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$111.08
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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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(4)Add a 10/100/1000Mbps Ethernet port to any PC through a PCI Express slot - pci express gigabit network card - pci express gigabit lan card - pci express gigabit server adapter - pcie gigabit nic - low profile pci express network cardFREE Shipping Orders $45+$25.48
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PCIe Network Adapter Card w/1 Port 5GbE NIC for performance - 4 Speed Multi-Gigabit Ethernet 5Gbps/2.5G/1G/1M - Tehuti TN4010 - NBASE-T / 5GBASE-T, PCI Express 2.0 x4, 9K Jumbo Frame, VLAN, IEEE 802.3az, Link Aggregation, Full/Low profile - 2 YR warrFREE Shipping$77.41
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Ultra-compact Ethernet adapter supporting Performance PCs and workstations needing bandwidth beyond 1GbEFREE Shipping$77.17
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(4)Connect your SATA Hard Drive or Blu-ray/DVD/CD-ROM Drive to an IDE motherboard - IDE to SATA Adapter - IDE to SATA Converter - ATA to SATA Adapter - PATA to SATA Converter - PATA to SATA Adapter - IDE to SATA adapter with SSD/HDD/ODD SupportFREE Shipping Orders $45+$21.94
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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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USB Type C - 1 Port(s) - 1 - Twisted Pair - 10/100/1000Base-T - PortableFREE Shipping Orders $45+$29.02
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Dual and quad-port gigabit Ethernet server adapters designed with performance enhancing features and power management technologiesFREE Shipping$211.52
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Dual and Quad-port 10GbE adapters with Hardware Optimization and Offloads for the Rapid Provisioning of Networks in an Agile Data CenterFREE Shipping$270.01
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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$111.30
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(3)Use the USB Type C port on a laptop to add a GbE port & USB Type A port - USB 3.0 - USB-C to Gigabit Ethernet Adapter - USB C Ethernet Adapter - Works w/ MacBook, Chromebook Pixel, Dell XPS 12 & Latitude 12 7000 Series 2-in-2 - USB C Network AdapterFREE Shipping$47.48
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2-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$49.97
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Cisco GLC-LH-SM Compatible SFP - 1000BASE-LX/LH 1 Gbps - 1GbE Module - 1GE Gigabit Ethernet SFP 1310nm - Single Mode (SMF)/Multi Mode (MMF) Transceiver - 10km (6.2mi) - LC Connector - Hot-Swappable & MSA Compliant - Lifetime WarrantyFREE Shipping Orders $45+$44.87
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MSA Uncoded SFP - 1000BASE-SX 1Gbps - 1GbE Module - 1GE Gigabit Ethernet SFP 850nm Multi Mode (MMF) Transceiver - 550m (1804ft) - LC Connector DDM - Hot-Swappable & MSA Compliant - Lifetime WarrantyFREE Shipping$51.55
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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+$22.44
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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$55.07
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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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USB Type C Male to Ethernet 1Gbps Female Adapter for Windows and Mac systemsFREE Shipping Orders $45+$23.88
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1 x Network (RJ-45) Port(s) - SerialFREE Shipping$85.23
About Ethernet/Networking Cards & Adapters
Cables, cards and adapters will get you online no matter what your computer has on board.