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Cisco 1-Port T1 CSU/DSU Card, WIC-1DSU-T1, Lifetime Warranty
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Topwin USB to RJ45 Lan Network Ethernet Adapter Card For  MacBook Air Windows 7
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Topwin New 10/100/1000M Gigabit Ethernet LAN PCI-E Express Network Desktop Controller Card
Topwin New 10/100/1000M Gigabit Ethernet LAN PCI-E Express Network Desktop Controller Card

  • Connectors: 1 x RJ45
  • Wake On LAN: Yes
  • Model #: 075055135786
  • Return Policy: View Return Policy
USB 1.1 to fast Ethernet 10/100 RJ45 Network LAN Adapter Card Dongle 100Mb
USB 1.1 to fast Ethernet 10/100 RJ45 Network LAN Adapter Card Dongle 100Mb

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USB 2.0 to RJ45 Ethernet Lan Network Adapter 10/100Mbps Fast Network Adapters for Win 7/8/10
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New HP Pavilion Realtek RTL8188CE Wireless-N 150Mbps WiFi PCI-E Card 640926-001

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Plastic Copper Core RJ45 Cable Port Splitter 1 to 2 Adapter Connector CAT5 CAT6 LAN Extender Plug Adapter Connector
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Micro USB Ethernet Adapter Network Card To Ethernet RJ45 For Windows 7/8/10 Android Tablet IC RD9700 Ethernet LAN Adapter
Micro USB Ethernet Adapter Network Card To Ethernet RJ45 For Windows 7/8/10 Android Tablet IC RD9700 Ethernet LAN Adapter

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Ethernet External USB to Lan RJ45 Network Card Adapter 10/100Mbps for Tablet Universal Serial Bus Interface RJ45 Connector
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USB 2.0 to fast Ethernet 10/100 RJ45 Network LAN Adapter Card Dongle 100Mb
USB 2.0 to fast Ethernet 10/100 RJ45 Network LAN Adapter Card Dongle 100Mb

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axGear USB 2.0 Network Card RJ45 Ethernet LAN Adapter 10/100M Internet Connection
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  • Model #: LAN
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  • Return Policy: View Return Policy
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USB Ethernet Adapter USB 2.0 to RJ45 Ethernet Network Card LAN Adapter Windows 7/8/10/XP USB Ethernet Connector RD9700
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Centechia 2018 High Speed 10/100 Mbps NIC RJ45 RTL8139D LAN Network PCI Card Adapter For PC Laptop Computer Top Sale gadget
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Rtl8111G Pcie Gigabit Ethernet Pci-Express Internal Rj45 Network Card Adapter Compatible Pci-E X1/X4/X8/X16 For Desktop Server
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Tenda L8139D 10/100Mbps PCI Auto-Negotiation Ethernet Adapter
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  • Standards: IEEE802.3, IEEE802.3u, IEEE802.3x
  • Connectors: 1 x RJ45
  • Model #: L8139D
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  • Return Policy: View Return Policy
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Rosewill RNG-406Uv2 - Ethernet Adapter, 10/100/1000 Mbps, USB 3.0, 1 x RJ45
Rosewill RNG-406Uv2 - Ethernet Adapter, 10/100/1000 Mbps, USB 3.0, 1 x RJ45

  • Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3az (Energy Efficient Ethernet)
  • Connectors: 1 x RJ45
  • LEDs: Power, Link / Activity
  • Wake On LAN: Yes
  • Model #: RNG-406Uv2
  • Item #: N82E16833166088
  • Return Policy: Standard Return Policy
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What Customers Are Saying...

I needed to switch over to Apple computer, phone and ipad because of software changes in my buisness. I was able to purchase a Macbook Air, Iphone 5se, and Ipad Air. These items were either open box or refurbished with a A rating. Fabulous Prices, all worked and looked new. I am a faithful user of a popular on line store that deals in the same items, however I can not get these kind of deals especially at these condition and prices.
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  • Network Interface Cards

Network Interface Cards and Adapters

A network interface card (NIC) provides a physical connection to a network. It allows your computer to "talk" to the network and the network to communicate with your computer. Each computer that is attached to a network requires a network interface card or chip. They help computers communicate with servers and other computers on the network.

Usually, these fit into expansion slots of CPUs, unless they're pre-installed or integrated into the motherboard. Some are external and attach to computers through serial or parallel ports. NICs for laptops are usually external. An interface card takes data from a PC, converts it into data "frames" that are broadcast onto the network, and sends it to another interface card. That card receives the frames, converts them into data, and sends it to that PC.

What to Look for in Network Interface Cards

When you are looking to build a LAN or upgrade or replace it, the NIC should be one of the first things you consider. You need to think about compatibility with operating systems, ease of installation, and price, especially for large company installations where you'll need many cards. NIC cards are usually Ethernet adapters. Others support other protocols such as ATM.

One other consideration before purchasing network interface cards is the speed that they support. For example, you may want an interface card that supports 10 Mbps traditional, or fast Ethernet, and on up to 10/20Gbps! You should also know the type of ports you are connecting them to and the standards your systems support. PCI, PCI-x and PCI-e or USB are all common iterfaces, and whether or not they'll work on your system depends on what sort of Network Interface Card your system supports.

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