Networking - Network Adapter

Network Adapter types

Network Adapters

A network adapter is also called a network interface card is a plug-in card that serves to allow computers to both transmit and receive data on a local network. It is a component of a computer's internal hardware that facilitates communication over a network.

In a more current context, network adapters will refer to an Ethernet adapter where the Ethernet circuitry is built into motherboards of the latest desktops and laptop computers. Other times, a network adapter may also refer to a wireless (Wi-Fi) adapter.

In all instances, the adapter allows a computer to connect with another computer, a server, or other networking devices through a LAN connection. The use of a network adapter is not limited to wired connections as it is used for wireless networks. The adapters for wired networks come with a RJ-45 port that may use either the twisted or untwisted pair cables for network connectivity. For the wireless adapters, the network connection is facilitated through a built-in antenna or an externally connected antenna. Both the wired and wireless network adapters support the popular LAN protocols including TCP/IP. We have 1-port, 2-port, 4-port, 6-port, 8-port, and 16-port options that support speeds of 10, 25, 40, or even 100 Gigabits.

The plug-in network interface cards (NICs) are normally used in high-performance machines especially if a faster Ethernet standard is relatively new and available but is yet to become mainstream. In fact, the major difference between network adapters lies in the network protocol it supports.

We have the different types of network adapters necessary for building computer-to-computer networks that don't have a switch or hub. All the network adapters are fairly inexpensive and readily adaptable to different applications within a network. Some of the common types available are:

Network adapters common types

  • Desktop Network Interface Card: This adapter is usually connected to a PCI or PCIe slot, whichever is available on the motherboard of your desktop computer. You will need to open your computer's case and it, therefore, presents the most difficult installation method. The PCIe slot is generally found in new computers.
  • PC Card or PCMCIA Card: PCMCIA is the abbreviation for Personal Computer Memory Card International Association. The name has undergone changes over time to be referred to as a PC Card or ExpressCard. For dimensions, the PC card is almost similar in size to a credit card but is significantly thicker. The PC card is connected to a PC or PCMCIA card slot in your desktop computer or laptop computer.
  • USB adapter: This network adapter is typically a small device, similar to a thumb drive, with a USB interface. Installation is easy and straightforward since it is plugged into the USB port of your desktop or laptop computer or other network devices that have a USB port.
  • Wireless game adapters also referred to as media adapters, are connected to the older game consoles and home entertainment devices so as to act as a bridge to Wi-Fi capability. They help expand functionality on these entertainment devices through connections to the internet.
Cisco HWIC-16A 16 Port Networking Network Adapter
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HWIC-16A 16 Ports Asynchronous Serial High-Speed Wide Area Network (WAN) Interface Card | Made by Cisco | Refurbished

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QLogic QLE3442-RJ-CK Ethernet Card
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QLE3442-RJ-CK Dual-Ports RJ-45 Peripheral Component Interconnect Express (PCI-E) 3.0 x8 To 10Gigabits Per Second (GBPS) Eth Baset Low Profile Network Adapter...read more

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HP 671798-001 10 Gigabit Networking Network Adapter
$53.00

671798-001 HPE 10GB Ethernet Network Interface Card NIC Board. Refurbished.

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HPE 701528-001 Dual-Ports Adapter
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701528-001 Flexfabric 20GB (Gigabyte) 2-Port 630m Proliant Bl460c Gen8, Bl465c Gen8, Bl660c Gen8 20 Gigabit Local Area Network (LAN) Adapter | Made by HPE |...read more

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Cisco UCSC-PCIE-CSC-02 2 port Networking Network Adapter
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UCSC-PCIE-CSC-02 Virtual Interface Card 1225 Optical Fiber 10 Gigabits Per Second (GBPS) Peripheral Component Interconnect Express (PCI-E) x8 SFP+ Network...read more

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Belkin F5U409V1 1 Port Network Adapter
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F5U409V1 Universal Serial Bus (USB) 1 X Serial RS-232 9 Pin D-Sub (DB-9) Serial Portable Cable Adapter | Made by Belkin Components | New Bulk Pack

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540-BBUH Dell 2 Ports Adapter
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​540-BBUH Broadcom 57412 2 Ports 10 Gigabytes (GB) Small Form-Factor Pluggable Plus (SFP+) Peripheral Component Interconnect Express (PCI-E) Network Adapter...read more

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Cisco SM-X-NIM-ADPTR Networking Network Adapter Expansion Module
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SM-X-NIM-ADPTR 1 x T1/E1 Network Ethernet Internal Interface Module SM-X Adapter for Integrated Services Routers 4321,4331,4351 4431 Series Network...read more

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Dell 540-BCXX 2 Ports Network Adapter
$599.00

540-BCXX E810XXVDA2 25 Gigabit Peripheral Component Interconnect Express (PCI-E) 2 Ports Ethernet Network Adapter | Made by Dell | Brand New

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HPE 811546-B21 4 Ports Networking Adapter
$377.00

811546-B21 1GB (Gigabyte) 4 Port Express Ethernet Copper Peripheral Component Interconnect (PCI) Network Adapter | Made by HPE | Brand New 3 Years Warranty

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