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#1 Best Seller
- Brand: TP-Link
- Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3bz, IEEE802.3an, IEEE802.3az, IEEE 802.3x
- Speed: 10Gbps
- Connectors: 1 x RJ45
- Model #: TX401
- $99.99
- $71.99 –
- Save: 28%
- More options from $71.99 - $187.84
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Intel Ethernet Converged Network Adapter X550, Backward compatible 10GBASE-T network adapter | X550T2
- Brand: Intel
- Part Number: X550-T2
- Speed: Dual-port 100Mb/s: 3.9 W (Typical Power) 4.9 W (Maximum Power) Dual-port 1GbE 5.5 W (Typical Power) 6.4 W (Maximum Power) Dual-port 10GbE 11.2 W (Typical Power) 13.0 W (Maximum Power)
- Connectors: 2 x RJ45
- Model #: X550T2
- $119.99 –
- More options from $115.89 - $410.00
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TP-Link TG-3468 PCI-Express Network Adapter (with Normal and Low Profile Bracket)
- Standards: IEEE 802.3, 802.3u, 802.3ab, 802.3x, 802.1q, 802.1p, CSMA / CD, TCP / IP
- Connectors: 1 x RJ45
- LEDs: 1000 Mbps Link / Act, 100 Mbps Link / Act, 10 Mbps Link / Act
- Temperature: Operating Temperature: 0 ~ 40 degree Celsius (32 ~ 104 degree Fahrenheit) Storage Temperature: -40 ~ 70 degree Celsius (-40 ~ 158 degree Fahrenheit)
- Model #: TG-3468
- $14.99 –
- $2.99 Shipping
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Intel X520-DA2 Dual Ports 10 Gigabit Ethernet Converged Network Adapter, PCI Express 2.0 x8, Low Profile
- Brand: Intel
- Model: E10G42BTDABLK
- Part Number: X520-DA2
- Standards: IEEE 802.3ae, IEEE 802.3ap, IEEE 802.3an, IEEE 802.3ad
- Model #: E10G42BTDABLK
- $41.29 –
- More options from $41.29 - $265.16
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Intel 10Gigabit Ethernet Network Adapter E610-XT2 - PCI Express 4.0 x4 - Intel E610-XAT2 - 2 Port(s) - 2 - Twisted Pair - Low Profile and Full Height Bracket Height E610XT2
- Brand: Intel
- Part Number: E610XT2
- Speed: 10 Gbps
- Connectors: RJ45 Category 6, Category 6A, Category 5e up to 100m
- Model #: E610XT2
- $308.99 –
- More options from $308.99 - $330.82
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ASUS XG-C100C 10G Network Adapter PCI-E x4 Card with Single RJ-45 Port and built-in QoS for Use with Windows 10 / 8.1 / 8 / 7 and Linux Kernel 4.4 / 4.2 / 3.6 / 3.2 (XG-C100C), TAA Compliant
- Standards: IEEE 802.3an 10GBASE-T IEEE 802.3u 100Base-TX Fast Ethernet IEEE 802.3ab 1000BASE-T Gigabit Ethernet IEEE 802.3az Energy Efficient Ethernet IEEE 802.1p Priority Queuing
- LEDs: Dual color Speed LED Single color Link / Act LED
- Temperature: Operating Temperature: 0 ~ 40 degree Celsius (32 ~ 104 degree Fahrenheit) Storage Temperature: -40 ~ 85 degree Celsius (-40 ~ 185 degree Fahrenheit)
- Dimensions: 0.81" x 3.33" x 4.72"
- Model #: XG-C100C
- $97.99 –
- More options from $95.25 - $201.24
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- $29.99
- $27.99 –
- Save: 6%
- More options from $27.99 - $52.27
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- Brand: Intel Corporation
- Part Number: X550T2
- Interface: PCIe v3.0 (8.0 GT/s)
- Weight: 1
- Model #: 735858307369
- $128.30 –
- More options from $128.30 - $154.99
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Intel Single Port RJ45 2.5/1GbE Ethernet Network Adapter I226-T1
- Brand: Intel
- Part Number: I226T1
- Standards: Ethernet
- Speed: 2.5Gbps
- Model #: I226T1
- $86.49
- $78.99 –
- Save: 8%
- More options from $78.99 - $101.05
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- Parts: 1 Year
- Model #: 4Z527AA
- $35.00
- $10.00 –
- Save: 71%
- More options from $10.00 - $61.44
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ASUS USB-C2500 V2 2.5Gbps Type-C Wired Network Adapter, RJ45 LAN, USB-C High-Speed Transfer, Compatible with 2.5G/1G/100Mbps
- Brand: ASUS
- Speed: 2.5Gbps
- Connectors: 1 x RJ45
- Interface: USB 3.0 Type-C
- Model #: USB-C2500 V2
- $43.15 –
- More options from $29.99 - $57.02
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Limited time offer, ends 07/12
- Part Number: 1* RJ45 Ethernet port
- Wireless Speed: Supports 10/100/1000Mbps/2.5Gbps/5Gbps/ 10Gbps speed
- LEDs: 1 x Link(Green), 1 x Ethernet (Yellow)
- Features: - One RJ45 Ethernet port delivers 10X-faster data-transfer speeds for bandwidth-demanding tasks. - One PCle 3.0×4 is designed to work seamlessly with PCIe×4/×8/×16 interfaces, ensuring a perfect fit for your system. - Built-in QoS technology intelligently prioritizes bandwidth for game packets, ensuring a smooth and lag-free gaming experience. - Support for Jumbo Frames
- Model #: WL-NWP004
- $64.99 –
- More options from $64.99 - $69.99
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Intel I210T1 Gigabit Ethernet Card
- Brand: Intel
- Part Number: I210T1BLK
- Standards: EEE 802.3 (10BASE-T, 100BASE-TX, 1000BASE-T)
- Speed: 10/100/1000Mbps
- Model #: I210T1BLK
- $59.95
- $59.39 –
- More options from $59.39 - $78.74
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10Gtek For Intel X520-DA1, Intel E10G42BTDA Adapter Card with Intel 82599EN Controller 10Gb PCI-E Network Card, PCI Express2.0 x8, Single SFP+ Port, Support Windows Server/Linux/VMware
- Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
- Connectors: 1 x SFP+
- Drivers: Included
- Temperature: 0°C ~ 55°C
- Model #: 603149403413
- $54.99 –
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Intel Dual Ports 1GbE Ethernet Server Adapter I350-T2 | I350T2V2BLK
- Brand: Intel
- Part Number: I350T2V2BLK
- Standards: EEE 802.3 (10BASE-T, 100BASE-TX, 1000BASE-T)
- Speed: 10/100/1000Mbps
- Model #: I350T2V2BLK
- $108.74 –
- More options from $108.74 - $188.41
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- Brand: NVIDIA
- Part Number: MCX755106AS-HEAT
- Speed: InfiniBand: NDR200/HDR/HDR100/EDR/FDR/ SDR Ethernet (Default Mode): 200/100/50/25/10 Gb/s
- Interface: PCI Express Interface: Gen 5.0/4.0: SERDES @ 16/32GT/s, x16 lanes (4.0 and 3.0 compatible) Networking Ports: Dual QSFP112 InfiniBand and Ethernet
- Model #: MCX755106AS-HEAT
- $1,699.99 –
- More options from $1,699.99 - $1,806.14
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Synology E10G30-F2 Dual-port 10GbE SFP+ PCIe 3.0 x8 add-in card for Synology systems | E10G30-F2
- Model #: E10G30-F2
- $258.99 –
- More options from $258.69 - $342.81
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Intel Ethernet Server Adapter I350-T4
- Brand: Intel
- Part Number: I350T4V2BLK
- Standards: EEE 802.3 (10BASE-T, 100BASE-TX, 1000BASE-T)
- Speed: 10/100/1000Mbps
- Model #: I350T4V2BLK
- $155.00 –
- More options from $155.00 - $427.30
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Intel Ethernet Server Adapter I210, Single-port Gigabit Ethernet server adapter for entry-level servers and audio-video applications | I210T1
- Brand: Intel
- Part Number: I210T1
- Standards: EEE 802.3 (10BASE-T, 100BASE-TX, 1000BASE-T)
- Speed: 10/100/1000Mbps
- Model #: I210T1
- $51.69 –
- More options from $51.69 - $79.95
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Intel Ethernet Converged Network Adapter X540-T1
- Brand: Intel
- Model: X540-T1
- Part Number: X540T1
- Speed: 10Gbps
- Model #: X540T1
- $63.76 –
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Mellanox MCX311A-XCAT CX311A ConnectX-3 EN Network Card 10GbE SinglePort SFP+
- Model #: MCX311A-XCAT
- $39.49 –
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StarTech.com 1-Port Parallel PCIe Card, PCI Express to Parallel DB25 LPT Adapter Card, Desktop Expansion Controller for Printer, SPP/ECP
- Part Number: PEX1P2
- Dimensions: Height: 0.7" Width: 2.9"
- Weight: Weight (Approximate): 1.59 oz
- Package Contents: 1-Port Parallel PCIe Card Full Profile Bracket Low Profile Bracket Quick Start Guidel
- Model #: PEX1P2
- $38.90 –
- More options from $38.90 - $40.99
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StarTech.com USB 3.0 to Gigabit Ethernet NIC Network Adapter
- Standards: IEEE802.3i, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3az, IEEE 802.1q VLAN tagging
- Connectors: 1 x RJ45
- LEDs: Activity (Yellow) Link (Green)
- Temperature: Operating Temperature: 0°C to 40°C (32°F to 104°F) Storage Temperature: -20°C to 60°C (-4°F to 140°F)
- Model #: USB31000S
- $33.99 –
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2 Port 10G PCIe Network Card, Intel X540 chip LAN Ethernet Controller, 10G/1G/100Mbps RJ45 NIC Adapter for Windows/Linux/VMware
- Model #: 6909494160
- $58.99 –
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- Connectors: 1 x RJ45
- Weight: 0.1000
- Model #: I226T1BLK
- $84.98
- $82.36 –
- More options from $81.82 - $107.00
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- Part Number: MCX755106AC-HEAT
- Model #: MCX755106AC-HEAT
- $1,899.99 –
- More options from $1,899.99 - $2,999.00
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Intel E1G44ET 10/100/1000Mbps PCI-Express Gigabit Ethernet Quad Port Server Adapter
- Connectors: 4 x RJ45
- Wake On LAN: Yes
- Parts: Lifetime limited
- Labor: Lifetime limited
- Model #: E1G44ET
- $91.19 –
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- Connectors: 4 x RJ45
- Dimensions: 6.6" x 2.7"
- Weight: 0.3
- Parts: Lifetime limited
- Model #: E1G44ET2BLK
- $352.21
- $149.00 –
- Save: 57%
- More options from $148.95 - $389.00
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- $129.99 –
- Free Shipping
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Eaton Network Card-M3 - Remote management adapter - Gigabit Ethernet x 1
- Brand: EATON
- Part Number: NETWORK-M3
- Standards: Gigabit Ethernet
- Speed: 1000 megabits_per_second
- Model #: NETWORK-M3
- $278.99 –
- More options from $278.99 - $555.00
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- Brand: Intel
- Part Number: E810XXVDA2
- Standards: Ethernet
- Speed: 1000 megabits_per_second
- Model #: E810XXVDA2
- $262.72
- $259.99 –
- More options from $237.99 - $291.22
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in 30 days
Intel E10G42BTDA 10Gbps PCI Express 2.0 x8 Server Adapter X520-DA2- Brand: Intel
- Model: E10G42BTDA
- Part Number: X520-DA2
- Standards: IEEE 802.1Q, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.1ae, IEEE 802.1as
- Model #: E10G42BTDA
- $62.00
- $45.99 –
- Save: 25%
- More options from $45.99 - $272.24
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Intel X540T2 100Mbps/1Gbps/10Gbps PCI Express 2.1 x8 Ethernet Converged Network Adapter
- Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
- Connectors: 2 x RJ45
- Weight: 20
- Parts: Lifetime
- Model #: X540T2
- $95.99 –
- More options from $69.99 - $272.50
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Intel EXPI9301CT 10/100/1000Mbps PCI-Express Desktop Adapter Gigabit CT
- Connectors: 1 x RJ45
- Temperature: 0°C ~ 55°C
- Humidity: 90% non-condensing relative humidity at 35° C
- Dimensions: 4.70" x 4.73" x 2.18"
- Model #: EXPI9301CT
- $53.11 –
- More options from $53.11 - $58.00
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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
“ Select "Active Products" => "Network Connectivity" => "Intel Desktop Adapters" => "Intel Pro/1000 GT adapter". ”
Intel EXPI9301CTBLK Network Adapter 10/100/1000Mbps PCI-Express 1 x RJ45ROBERT S.
12/24/2024 9:32:56 AM
Everything up to 10GB
“ Have put into Windows 11, and multiple Linux computers and a router. All picked up and used the NIC's with no issues. ”
Intel Ethernet Converged Network Adapter X550, Backward compatible 10GBASE-T network adapter | X550T2Anonymous
5/15/2024 7:24:58 AM
Does it's job
“ Highly recommend this NIC card ”
Intel Ethernet Server Adapter I210, Single-port Gigabit Ethernet server adapter for entry-level servers and audio-video applications | I210T1Phillip S.
1/18/2024 9:14:52 AM
10Gbe NIC for my Truenas plex server
“ so I decided to go 10Gbe and of course needed NICs to match. ”
Intel Ethernet Converged Network Adapter X540-T1