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Dual 2.5 Gigabit M.2 B+M Key Ethernet Network Expansion Card
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  • $59.99 
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Intel EXPI9404PTLBLK PRO/1000 PT Quad Port LP Server Adapter
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Intel
Refurbished Intel EXPI9404PTLBLK PRO/1000 PT Quad Port LP Server Adapter
  • Connectors: 4 x RJ45
  • Features: High Profile Bracket
  • Weight: 1
  • Model #: EXPI9404PTLBLK
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  • $59.00 
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5.0GB PCIe Network Card PCIe to 5.0 Gigabit Ethernet Network Card, Supports Windows 11/10/8.1/8/7, Win Server 2022/2019/2016, Linux
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  • $31.89
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  • $31.69 
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Intel Ethernet Network Adapter E810-XXVDA4 Full Height E810XXVDA4
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Intel
Intel Ethernet Network Adapter E810-XXVDA4 Full Height E810XXVDA4
  • Brand: Intel
  • Part Number: ?E810XXVDA4
  • Standards: Ethernet
  • Connectors: Ethernet
  • Model #: E810XXVDA4
StarTech.com USB 3.0 to Gigabit Network Adapter with Built-In 2-Port USB Hub - Native Driver Support (Windows, Mac and Chrome OS)
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StarTech.com USB 3.0 to Gigabit Network Adapter with Built-In 2-Port USB Hub - Native Driver Support (Windows, Mac and Chrome OS)
  • Standards: IEEE 802.3 10BASE-T, IEEE 802.3ab 1000BASE-T, IEEE 802.3u 100BASE-TX and IEEE 802.3X Full Duplex
  • Connectors: 1 - USB 3.0 A (9 pin; SuperSpeed) Male 1 - RJ-45 Female 2 - USB 3.0 A (9 pin; SuperSpeed) Female
  • Temperature: Operating Temperature:0 degree C to 70 degree C (32 degree F to 158 degree F) Storage Temperature: -10 degree C to 55 degree C (14 degree F to 131 degree F)
  • Humidity: 40% ~ 50%
  • Model #: USB31000S2H
10Gtek 10G Network Card Compare to Intel X520-DA2(Intel E10G42BTDA), Dual SFP+ Port, with Intel 82599EN Controller, PCIe x8 Ethernet Adapter Support Windows Server/Linux/VMware, with 2pcs SFP+ DAC 1 m
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10Gtek 10G Network Card Compare to Intel X520-DA2(Intel E10G42BTDA), Dual SFP+ Port, with Intel 82599EN Controller, PCIe x8 Ethernet Adapter Support Windows Server/Linux/VMware, with 2pcs SFP+ DAC 1 m
  • Standards: IEEE802.3,IEEE802.3u,IEEE802.3ab
  • Connectors: 2 x SFP+
  • Temperature: 0°C ~ 55°C
  • Features: Intel X520
  • Model #: X520-10G-2S-X8+CAB-10GSFP-P1M (x2)-CSC-X
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  • $85.99 
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Intel 10Gbps Dual Port PCIe Ethernet Converged Network Adapter X540T2
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Intel E1G44ET2 Gigabit Ethernet Card 10/100/1000Mbps PCI-Express 4 x RJ45
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Intel
Intel E1G44ET2 Gigabit Ethernet Card 10/100/1000Mbps PCI-Express 4 x RJ45
  • Parts: 30 days warranty
  • Labor: 30 days warranty
  • Model #: Intel-E1G44ET2
Intel I210T1 Gigabit Ethernet Card (Single Ethernet Port)
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Intel
Intel I210T1 Gigabit Ethernet Card (Single Ethernet Port)
  • Parts: 30 days warranty
  • Labor: 30 days warranty
  • Model #: Intel I210T1
Dell F169G Broadcom Dual Port Gigabit PCI-E Network Interface Card Full Profile
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DELL
Dell F169G Broadcom Dual Port Gigabit PCI-E Network Interface Card Full Profile
  • Standards: F169G
  • Connectors: 2 x RJ45
  • LEDs: Link, Activity
  • Drivers: Microsoft® Windows® (32-bit and 64-bit extended), Linux® (32-bit and 64-bit extended), VMware, MS-DOS, Oracle Solaris
  • Model #: F169G PCI-E
Intel X710DA2BLK PCIe 3.0, x8 Dual port Ethernet Converged Network Adapter
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Intel
Intel X710DA2BLK PCIe 3.0, x8 Dual port Ethernet Converged Network Adapter
  • Package Contents: Ethernet Converged Network Adapter X540-T1 Information CD Low-Profile Bracket
  • Parts: Manufacturers Limited Warranty: Lifetime / Parts Only
  • Model #: X710DA2BLK
3com 3C905CX-TXM 10/100Mbps PCI 2.1/2.2 Managed Network Interface Adapter
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3com 3C905CX-TXM 10/100Mbps PCI 2.1/2.2 Managed Network Interface Adapter
  • Standards: IEEE 802.3, 802.3u, 802.3x, 802.1p/Q PCI 2.1/2.2, PC99/2001, DMI 2.0s, ACPI, WfM, WOL, BIS, PXE, BOOTP, TFTP, DHCP
  • Connectors: 1 x RJ45
  • BUS: 32-bit, 33 MHz PCI
  • Drivers: Linux 2.2/2.4, Windows XP/2000/Me/98/NT 4.0, Novell NetWare 5.x
  • Model #: 3C905CX-TXM
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  • $25.00 
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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
PCIe WiFi 6 Network Card Wireless Adapter Bluetooth 5.0 AX 3000 Mbps AX200 Dual Band 5.GHz/2.4GHz PCI-E Wireless WiFi Network Adapter Card for Desktop Windows 10 64-bit eokCXOY
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  • $38.89
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  • $37.69 
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  • $36.89 - $37.69

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
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