Ethernet/Networking Cards & Adapters
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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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Intelligent 100/1000Mbase-T to SFP Media ConverterFREE Shipping$56.61
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(2)1-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$56.29
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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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(1)Running low on expansion slots? Merge USB 3.0 and GbE into a single PCIe combo card - 3 Port PCI Express USB 3.0 Card + Gigabit Ethernet - Fits Standard & Low-Profile PCs - UASP - SATA Power - USB 3 with Network Adapter Card - Backward CompatibleFREE Shipping$54.74
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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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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$53.98
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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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(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$53.06
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Single-port Gigabit Ethernet server adapter designed for entry-level servers and audio-video applications.FREE Shipping$52.48
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Connect a serial RS232 (DB9) device 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$51.24
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$49.99
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(2)2-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$49.97
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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 SFP-GE-T Compatible SFP - 1000BASE-T 1 Gbps - 1GbE Module - 10/100/1000 Mbps Copper Transceiver - 100m (328ft) - RJ-45 Connector - Hot-Swappable & MSA Compliant - Lifetime WarrantyFREE Shipping$49.87
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100% compatible and guaranteed to workFREE Shipping$49.23
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(10)Add 4 external USB 3.0 ports to a low profile or standard computer, through PCI Express - 4 Port PCI Express SuperSpeed USB 3.0 Controller Card Adapter with UASP - SATA Power - USB 3 PCIe Card - USB 3.0 PCI-e Card - 4 Port USB 3.0 PCI Express CardFREE Shipping$47.79
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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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(4)Install half-height/low profile x1 PCI Express interface cards in a standard PCI expansion slotFREE Shipping$47.42
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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$47.41
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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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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$46.14
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Cisco GLC-FE-100FX Compatible SFP - 100BASE-FX 100 Mbps - 100MbE Module - 100 Mbps 1310nm - Multi Mode (MMF) Transceiver - 2km (1.2mi) - LC Connector DDM - Hot-Swappable & MSA Compliant - Lifetime WarrantyFREE Shipping$46.14
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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
About Ethernet/Networking Cards & Adapters
Cables, cards and adapters will get you online no matter what your computer has on board.