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LR-LINK 2212PF-SFP M.2A+E Key Single Port Gigabit SFP Ethernet Network Adapter (Intel l210 Based)
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LR-LINK 2212PF-SFP M.2A+E Key Single Port Gigabit SFP Ethernet Network Adapter (Intel l210 Based)
  • Standards: IEEE 802.3az
  • Connectors: 1 x SFP
  • BUS: M.2 A+E key
  • Temperature: 0°C ~ 55°C
  • Model #: LRES2212PF-SFP
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  • $79.99 
  • $30.00 Shipping
Intel Gigabit ET Dual Port Server Adapter, OEM Pack (E1G42ETBLK)
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Intel Gigabit ET Dual Port Server Adapter, OEM Pack (E1G42ETBLK)
  • Connectors: 2 x RJ45
  • Weight: 0.25
  • Package Contents: Gigabit ET Dual Port Server Adapter Informational CD Bracket
  • Parts: 30 Days Warranty
  • Model #: E1G42ETBLK
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LR-LINK 9714HT PCIe x4 Quad-port Gigabit Copper Ethernet Network Adapter ( Intel I350 Based)
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LR-LINK 9714HT PCIe x4 Quad-port Gigabit Copper Ethernet Network Adapter ( Intel I350 Based)
  • Standards: IEEE 802.3az
  • Connectors: 4 x RJ45
  • BUS: PCIe v2.1 x4
  • Drivers: Incluede
  • Model #: LREC9714HT
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  • $159.99 
  • $30.00 Shipping
LR-LINK LREC9252PF-2SFP PCIe x1 2-port Gigabit Fiber Desktop Network Adapter Card
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LR-LINK LREC9252PF-2SFP PCIe x1 2-port Gigabit Fiber Desktop Network Adapter Card
  • Standards: IEEE 802.1q
  • Connectors: 2 x SFP
  • BUS: PCIe x1
  • LEDs: off = No Link;on = Link; Blinking = Activity
  • Model #: LREC9252PF-2SFP
  •  
  • $152.50 
  • $30.00 Shipping
LINKSYS USB200M 10/100Mbps USB Compact USB 2.0 10/100 Network Adapter
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LINKSYS USB200M 10/100Mbps USB Compact USB 2.0 10/100 Network Adapter
  • Standards: IEEE 802.3, IEEE 802.3u USB 1.0, 1.1, and 2.0
  • Connectors: 1 x RJ45
  • BUS: USB2.0
  • LEDs: 100/ACT, F/H(Full or Half Duplex) , 10/ACT
  • Model #: USB200M
  •  
  • $28.78 
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SYBA Multimedia 2-Port Ethernet PCIe x1 Card
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SYBA Multimedia 2-Port Ethernet PCIe x1 Card
  • Standards: IEEE 802.3, 802.3u, 802.3ab
  • Dimensions: 1.50" x 5.50" x 7.00" (H x W x L)
  • Weight: 0.28 lb
  • Package Contents: 1 x Gigabit Ethernet PCIe Card 1 x User Manual 1 x Driver CD 1 x Low Profile Bracket
  • Model #: SD-PEX24041
LR-LINK 1GB PCIE network card NIC Compatible for Intel I350AM4*2, 8*RJ45 Port Ethernet card,1G LAN Adapter Support Windows Server/Windows, Linux, Vmware 8-Port Gigabit
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LR-LINK 1GB PCIE network card NIC Compatible for Intel I350AM4*2, 8*RJ45 Port Ethernet card,1G LAN Adapter Support Windows Server/Windows, Linux, Vmware 8-Port Gigabit
  • Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab, IEEE802.3x
  • Connectors: 8*RJ45
  • Temperature: 0°C ~ 55°C
  • Humidity: 5 % ~ 95 % (Non-condensing)
  • Model #: 6925909302359
  •  
  • $428.00 
  • $30.00 Shipping
LR-LINK OCP3.0 10GB network card NIC Compatible for Intel XL710-BM1,
Four SFP+ Port Ethernet card,10G LAN Adapter Support Windows Server/Windows, Linux, Vmware
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LR-LINK OCP3.0 10GB network card NIC Compatible for Intel XL710-BM1, Four SFP+ Port Ethernet card,10G LAN Adapter Support Windows Server/Windows, Linux, Vmware
  • Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab, IEEE802.3x
  • Connectors: 4 x SFP+
  • Temperature: 0°C ~ 55°C
  • Humidity: 0 % ~ 90 % (Non-condensing)
  • Model #: 6925909303226
  •  
  • $409.90 
  • $30.00 Shipping
1000M Ethernet PCI Intel network card (82540), RJ45 PCIE Network Adapter, Network Card, PC Ethernet Card, Support Win10
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  •  
  • $19.90 
  • Free Shipping
  • $16.00 - $19.90
Intel Killer BE200 1750x & BT 5.4 Wi-Fi 7 Card with M.2. pcie Key E Interface for Intel Processors Single Pack. Ultra Low Latency Ideal for Gaming.
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Intel
Intel Killer BE200 1750x & BT 5.4 Wi-Fi 7 Card with M.2. pcie Key E Interface for Intel Processors Single Pack. Ultra Low Latency Ideal for Gaming.
  • Windows Vista: Windows 10, Windows 11, Linux
  • Dimensions: BE1750x
  • Parts: 30 Days
  • Labor: 30 Days
  • Model #: 735858547314
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  • $71.71 
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G174P DELL INTEL Pro 1000 PT 1Gbps PCI-Express Gigabit Network Interface Adapter
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  • $43.89 
  • Free Shipping
EXPI9402PT INTEL PRO/1000 PT Dual Port PCI Express Server Network Adapter
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  • $75.00 
  • Free Shipping
Computer PCI X32 Gigabit Network Interface Card Intel 82540 Diskless Ethernet adatper Card
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  • $19.60 
  • Free Shipping
qnap storage controller - pcie 3.0 low profile - pcie 3.0 x8
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Dell 540-Bbrg Networking Card Ethernet 10000 Mbit/S Internal
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  • $302.00
  •  
  • $175.35 
  • Save: 41%
  • Free Shipping
2.5Gbps Network Adapter Card Realtek RTL8125B Ghip PCIE Gigabit Ethernett Adapter Card 4 RJ45 Connectors
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  • $91.00 
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PCI Express v3.0 x8 Quad Port SFP+ 10 Gigabit Server Adapter (Intel XL710-BM1Based)
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PCI Express v3.0 x8 Quad Port SFP+ 10 Gigabit Server Adapter (Intel XL710-BM1Based)
  • Connectors: 4 x SFP+
  • Temperature: 0°C ~ 55°C
  • Humidity: 5 % ~ 95 % (Non-condensing)
  • Class: 10G, PCIE
  • Model #: LREC9804BF-4SFP+
  •  
  • $359.90 
  • $30.00 Shipping
Realtek RTL8125B Ghip PCIE Gigabit Ethernett Adapter Card Upgraded 2.5Gbps Network Adapter Card 4 *RJ45 Connectors
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Realtek RTL8125B Ghip PCIE Gigabit Ethernett Adapter Card Upgraded 2.5Gbps Network Adapter Card 4 *RJ45 Connectors
  • Connectors: 4 x RJ45
  • Windows Vista: Works with Windows Vista
  • Model #: rtl8125B
  •  
  • $94.00 
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Silverstone ECL01 2.5Gbps RJ45 Network Interface PCI Express Card
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Silverstone ECL01 2.5Gbps RJ45 Network Interface PCI Express Card

Limited time offer, ends 05/16

  • Model #: ECL01
Broadcom NetXtreme BCM5721 PCI-Express Server Gigabit Network Adapter Card
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  • $37.99 
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MELLANOX MNPA19-XTR 10GB CONNECTX-2 PCIe X8 SFP+ NETWORK CARD w/ SFP CABLE
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  • $69.99 
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PCI Express x1 Single Port 802.3at PoE+ Gigabit Vision Frame Grabber Card
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PCI Express x1 Single Port 802.3at PoE+ Gigabit Vision Frame Grabber Card
  • Connectors: 1 x RJ45
  • Temperature: 0°C ~ 55°C
  • Humidity: 5 % ~ 95 % (Non-condensing)
  • Class: 1000M, PCIE
  • Model #: LRES2001PT-POE
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  • $75.32 
  • $30.00 Shipping
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Learn about Network Interface Cards (NICs)

Faster, More Reliable Wired Connectivity

A Network Interface Card gives your PC or server a fast, stable link to your network. From budget 1GbE to multi-gig (2.5GbE/5GbE) and 10GbE+, you’ll find PCI Express cards, USB adapters, and multi-port models in Newegg’s Network Interface Cards catalog. Pair your NIC with the right switch, optics, and cabling to unlock consistent throughput for gaming, low-latency streaming, content creation, virtualization, iSCSI backups, and more.

Popular NIC Categories

PCIe Ethernet Cards

The go-to choice for desktops and workstations. Options range from 1GbE and 2.5GbE to 10GbE/25GbE, with features like VLAN tagging, link aggregation (LACP), checksum/TSO/LRO offload, SR-IOV/RDMA, and PXE/Wake-on-LAN. Browse performance picks here: 10GbE network cards.

USB & USB-C Ethernet Adapters

Ideal for ultrabooks and mini PCs—plug-and-play wired networking without opening the case. Choose USB 3.0/USB-C for Gigabit and above. Find compact options in Network Adapters & Ethernet Connectors.

Fiber & SFP/SFP+ NICs

Use SFP/SFP+ for long-distance or electrically isolated runs and ultra-low latency. Pair your card with compatible optics from SFP/SFP+ transceivers and OM3/OM4 fiber for 10GbE and higher.

Key Decisions Before You Buy

Match the NIC to your target speed (1G, 2.5G, 5G, 10G, 25G), PCIe slot type (x1/x4/x8, Gen3/Gen4), and connector (RJ45 vs. SFP/SFP+). For fiber or long-run links, compare SFP+ fiber NICs. For copper installs, use the right cabling—see Ethernet cables (Cat6/Cat6a). If you’re wiring racks or tight spaces, confirm low-profile/half-height brackets and plan mounting with server racks & cabinets.

Performance tip: For 2.5GbE/5GbE over copper, Cat6/Cat6a reduces errors and heat. For 10GbE+ fiber, verify SR/LR optics and OM3/OM4 cable type. Power users should also check driver support for Windows, Linux, or VMware ESXi.

Typical Use Cases

Home & Gaming: Upgrade to a 2.5GbE PCIe card for faster downloads and smoother game/stream concurrency; pair with a 2.5G switch.

Creative & NAS: Move large media quickly with 10GbE PCIe NICs; use SFP+ for fiber runs to a rack or studio bay.

Virtualization & Labs: Choose dual-port/quad-port server NICs for VLANs, LACP, SR-IOV, and traffic isolation across hosts and services.

Why Add a Dedicated NIC?

Boosts wired speed and stability beyond onboard LAN, enables VLAN isolation and link aggregation, reduces CPU usage via hardware offloads, and adds flexibility for SFP/SFP+ fiber runs or multi-port redundancy and failover.

Frequently Asked Questions

Do I need 2.5GbE or is 1GbE enough?

1GbE is fine for basic browsing and streaming. If you copy large files, use fast NAS, or share bandwidth among many devices, 2.5GbE offers a noticeable speed boost—pair it with a compatible 2.5G switch.

RJ45 vs. SFP/SFP+ — which should I choose?

RJ45 over copper is convenient for short runs and existing cabling. SFP/SFP+ with fiber is better for long distances, lower latency, or electrical isolation. If you go fiber, match your card with the right optics from SFP/SFP+ transceivers.

Will a USB Ethernet adapter bottleneck my laptop?

Use USB 3.0 or USB-C models for Gigabit or faster speeds. They’re great for travel and thin-and-light PCs—browse options in Network Adapters & Ethernet Connectors.

Related Essentials

Build the whole stack: a multi-gig switch for uplinks, tidy runs with a patch panel, and protect your edge with firewalls & security.

Bestselling Network Interface Cards Reviews:

Anonymous
11/17/2025 9:14:36 AM
Excellent performance

“ Drivers can be found at: downloadcenter.intel.com Select "Active Products" => "Network Connectivity" => "Intel Desktop Adapters" => "Intel Pro/1000 GT adapter". ”

Intel EXPI9301CTBLK Network Adapter 10/100/1000Mbps PCI-Express 1 x RJ45
Mc
10/6/2023 5:13:51 PM
Net Issue? TP-Link TG-3468 has you covered!

“ If I ever need another network adapter card this will be my top choice ”

TP-Link 10/100/1000Mbps Gigabit Ethernet PCI Express, PCIE Network Adapter / Network Card / Ethernet Card for PC, Win10 supported (TG-3468)
Brandon Y.
6/21/2023 11:48:57 AM
Works as advertised

“ -Works without dropping connection (unlike like my onboard intel wired network adapter). ”

TP-Link TX201 Interface Cards 2.5Gbps PCI-Express 1 x RJ45