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Broadcom P210TP Dual-Port 10GBASE-T Ethernet PCI Express Network Interface Card; RoHS-compliant | BCM957416A4160C
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Broadcom P210TP Dual-Port 10GBASE-T Ethernet PCI Express Network Interface Card; RoHS-compliant | BCM957416A4160C
  • Brand: Broadcom
  • Part Number: BCM957416A4160C
  • Speed: 10/1GbE
  • Connectors: RJ45
  • Model #: BCM957416A4160C
TP-Link 10Gbps PCIe Network Card (TX401) - PCIe to 10 Gigabit Ethernet Network Adapter, Supports Windows 10/8.1/8/7, Windows Servers 2019/2016/2012 R2, and Linux, Including a CAT6A Ethernet Cable
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#1 Best Seller
in Network Interface Cards
TP-Link 10Gbps PCIe Network Card (TX401) - PCIe to 10 Gigabit Ethernet Network Adapter, Supports Windows 10/8.1/8/7, Windows Servers 2019/2016/2012 R2, and Linux, Including a CAT6A Ethernet Cable
  • 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
Intel Single Port RJ45 2.5/1GbE Ethernet Network Adapter I226-T1
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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
TP-Link TX201 2.5Gbps PCI-Express Interface Cards
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TP-Link TX201 2.5Gbps PCI-Express Interface Cards
  • Connectors: 1 x RJ45
  • Wake On LAN: Yes
  • Model #: TX201
Broadcom P210TP Dual-Port 10GBASE-T Ethernet PCI Express Network Interface Card; RoHS-compliant | BCM957416A4160C
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Broadcom P210TP Dual-Port 10GBASE-T Ethernet PCI Express Network Interface Card; RoHS-compliant | BCM957416A4160C
  • Brand: Broadcom
  • Part Number: BCM957416A4160C
  • Speed: 10/1GbE
  • Connectors: RJ45
  • Model #: BCM957416A4160C
TP-Link TG-3468 PCI-Express Network Adapter (with Normal and Low Profile Bracket)
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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
NVIDIA ConnectX-7 HHHL Adapter card | MCX75310AAC-NEAT
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NVIDIA
NVIDIA ConnectX-7 HHHL Adapter card | MCX75310AAC-NEAT
  • Brand: Nvidia
  • Part Number: MCX75310AAC-NEAT
  • Speed: InfiniBand (Default): NDR/NDR200/HDR/HDR100/EDR/FDR/ SDR Ethernet: 400/200/100/50/40/10/1 Gb/s Ethernet
  • Interface: PCI Express Gen 4.0/5.0: SERDES @ 16/32GT/s, x16 lanes (Gen 3.0 compatible) Networking Port: Single OSFP InfiniBand and Ethernet
  • Model #: MCX75310AAC-NEAT
Intel I210T1 Gigabit Ethernet Card - OEM
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Intel I210T1 Gigabit Ethernet Card - OEM
  • Brand: Intel
  • Part Number: I210T1BLK
  • Standards: EEE 802.3 (10BASE-T, 100BASE-TX, 1000BASE-T)
  • Speed: 10/100/1000Mbps
  • Model #: I210T1BLK
  •  
  • $67.99 
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Broadcom Dual-Port 100 Gb/s Ethernet PCI Express 4.0 x16 OCP 3.0 SFF Network Adapter | BCM957508-N2100G
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Broadcom Dual-Port 100 Gb/s Ethernet PCI Express 4.0 x16 OCP 3.0 SFF Network Adapter | BCM957508-N2100G
  • Brand: Broadcom
  • Part Number: BCM957508-N2100G
  • Speed: 100Gbps
  • Connectors: QSFP56
  • Model #: BCM957508-N2100G
StarTech.com Dual Port PCI Express (PCIe x4) Gigabit Ethernet Server Adapter Network Card - Intel i350 NIC
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StarTech.com Dual Port PCI Express (PCIe x4) Gigabit Ethernet Server Adapter Network Card - Intel i350 NIC
  • Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
  • Connectors: 2 x RJ45
  • LEDs: 2 - 10/100/1000 Mbps Indicator 2 - Link / Activity
  • Dimensions: 4.8"H x 2.6"L x 0.7"W
  • Model #: ST2000SPEXI
  •  
  • $170.99 
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StarTech.com Dual Port Gigabit PCI Express Server Network Adapter Card - PCIe NIC
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StarTech.com Dual Port Gigabit PCI Express Server Network Adapter Card - PCIe NIC
  • Weight: 0.05
  • Package Contents: Dual Port Gigabit PCI Express Server Network Adapter Card - PCIe NIC 1 x Low Profile Bracket 1 x Driver CD 1 x Instruction Manual
  • Parts: 2 Year
  • Model #: ST1000SPEXD4
  •  
  • $107.99 
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StarTech.com 1 Port PCI Express PCIe Gigabit Network Server Adapter NIC Card - Dual Profile
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StarTech.com 1 Port PCI Express PCIe Gigabit Network Server Adapter NIC Card - Dual Profile
  • Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab
  • Connectors: 1 x RJ45
  • LEDs: Link/Activity (Green) Gigabit Detect (Yellow)
  • Temperature: Operating Temperature: 0°C to 70°C (32°F to 158°F) Storage Temperature: 0°C to 100°C (32°F to 212°F)
  • Model #: ST1000SPEX2
StarTech USB31000SPTW USB 3.0 Gigabit Ethernet Adapter NIC w/ USB Port - White
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StarTech USB31000SPTW USB 3.0 Gigabit Ethernet Adapter NIC w/ USB Port - White
  • Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
  • Connectors: 1 x RJ45
  • Dimensions: Height: 0.7" Width: 1.4" Depth: 3.2"
  • Weight: Weight (Approximate): 1.80 oz
  • Model #: USB31000SPTW
  • $47.99
  •  
  • $43.99 
  • Save: 8%
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StarTech 1-Port 10Gbps PCIe Network Adapter Card, Network Card for PC/Server, PCIe Ethernet Card w/Jumbo Frame, NIC/LAN Interface Card
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StarTech 1-Port 10Gbps PCIe Network Adapter Card, Network Card for PC/Server, PCIe Ethernet Card w/Jumbo Frame, NIC/LAN Interface Card
  • Part Number: ST10GSPEXNB2
  • Standards: IEEE 802.3an (10GBASE-T) IEEE 802.3bz (5GBASE-T) IEEE 802.3bz (2.5GBASE-T) IEEE 802.3ab (1000BASE-T ) IEEE 802.3u (100BASE-TX ) IEEE 802.3i (10BASE-TX) IEEE 802.1Q (VLAN) IEEE P802.3az (EEE) IEEE 1588 (PTP) PCI Express Version 3.0
  • Connectors: 1 x RJ45
  • Dimensions: Height: 0.8" Width: 4.2"
  • Model #: ST10GSPEXNB2
StarTech.com Dual Port PCI Express Gigabit Ethernet PCIe Network Card Adapter
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StarTech.com Dual Port PCI Express Gigabit Ethernet PCIe Network Card Adapter
  • Weight: 20
  • Package Contents: Dual Port PCI Express Gigabit Ethernet PCIe Network Card Adapter - PoE/PSE 1 x Low-Profile Bracket 1 x Driver CD 1 x Instruction Manual
  • Parts: 2 Year
  • Labor: 2 Year
  • Model #: ST2000PEXPSE
  •  
  • $166.99 
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StarTech.com USB 3.0 to Gigabit Ethernet Adapter NIC w/ USB Port - Black
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StarTech.com USB 3.0 to Gigabit Ethernet Adapter NIC w/ USB Port - Black
  • Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
  • Connectors: 1 x RJ45
  • Dimensions: 5" x 1.4" x 0.7"
  • Weight: 1.5 oz [42 g]
  • Model #: USB31000SPTB
  •  
  • $49.99 
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Intel Ethernet Server Adapter I350-T4
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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
StarTech US1GC30B USB-C to Gigabit Ethernet Adapter - Black - Thunderbolt 3 Port Compatible - USB Type C Network Adapter
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StarTech US1GC30B USB-C to Gigabit Ethernet Adapter - Black - Thunderbolt 3 Port Compatible - USB Type C Network Adapter
  • Standards: IEEE 802.3, 802.3u and 802.3ab
  • Connectors: Connector Type (s): 1 - USB Type-C (24 pin) USB 3.0 Male External Ports: 1 - RJ-45 Female
  • Temperature: Operating Temperature: 0 ~ 70 degree Celsius (32 ~ 158 degree Fahrenheit) Storage Temperature: -10 ~ 80 degree Celsius (14 ~ 176 degree Fahrenheit)
  • Humidity: 5% ~ 90% RH
  • Model #: US1GC30B
StarTech.com USB 3.0 to Gigabit Ethernet NIC Network Adapter - 10/100/1000 Mbps
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StarTech.com USB 3.0 to Gigabit Ethernet NIC Network Adapter - 10/100/1000 Mbps
  • Standards: IEEE802.3i, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3az
  • Connectors: 1 x RJ-45 Female 1 x USB Type-A (9 pin) USB 3.0 Male
  • LEDs: 1 x Activity (Yellow) 1 x Link (Green)
  • Temperature: Operating Temperature: 0 ~ 50 degree Celsius (32 ~ 122 degree Fahrenheit) Storage Temperature: 0 ~ 70 degree Celsius (32 ~ 158 degree Fahrenheit)
  • Model #: USB31000NDS
  •  
  • $34.99 
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StarTech.com Mini PCI Express Gigabit Ethernet Network Adapter NIC Card
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StarTech.com Mini PCI Express Gigabit Ethernet Network Adapter NIC Card
  • Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
  • Connectors: 1 x RJ45
  • LEDs: 1 - Activity 1 - Link
  • Wake On LAN: Yes
  • Model #: ST1000SMPEX
  •  
  • $29.99 
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NVIDIA ConnectX-7 200Gigabit Ethernet Card - PCI Express 5.0 x16 - 200 Gbit/s Data Transfer Rate - 1 Port(s) - Optical Fiber - HHHL Bracket Height - OSFP - Standup | MCX75310AAS-HEAT
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NVIDIA
NVIDIA ConnectX-7 200Gigabit Ethernet Card - PCI Express 5.0 x16 - 200 Gbit/s Data Transfer Rate - 1 Port(s) - Optical Fiber - HHHL Bracket Height - OSFP - Standup | MCX75310AAS-HEAT
  • Brand: Nvidia
  • Part Number: MCX75310AAS-HEAT
  • Speed: DATA RATE InfiniBand (Default): NDR200/HDR/HDR100/EDR/FDR/ SDR Ethernet: 200/100/50/40/10/1 Gb/s Ethernet
  • Connectors: Single OSFP InfiniBand and Ethernet
  • Model #: MCX75310AAS-HEAT
StarTech PEX867WAC22  PCI Express AC1200 Dual Band Wireless-AC Network Adapter - PCIe 802.11ac WiFi Card
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StarTech PEX867WAC22 PCI Express AC1200 Dual Band Wireless-AC Network Adapter - PCIe 802.11ac WiFi Card
  • Wireless Data Rates: 1.17 Gbps
  • Standards: IEEE 802.11ac
  • Color: Black
  • Features: Add high speed 802.11ac WiFi connectivity to a desktop PC through a PCI Express slot with dual band 2.4 / 5GHz frequencies and up to 867Mbps PCI Express AC1200 Dual Band Wireless-AC Network Adapter PCIe 802.11ac WiFi Card Wireless-AC Card - 802.11a/b/g/n/ac 2 Transmitter / 2 Receiver (2x2:2) antenna configuration
  • Model #: PEX867WAC22
  •  
  • $92.99 
  • Free Shipping
StarTech.com 1 Port 2.5Gbps PoE Network Card, PCIe Ethernet Card w/RJ45, 30W 802.3at PoE NIC for Desktops/Servers ST1000PEXPSE
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StarTech.com 1 Port 2.5Gbps PoE Network Card, PCIe Ethernet Card w/RJ45, 30W 802.3at PoE NIC for Desktops/Servers ST1000PEXPSE
  • Part Number: ST1000PEXPSE
  • Standards: IEEE802.3at Power over Ethernet (25 W) IEEE802.3af Power over Ethernet (15 W) IEEE 802.3bz (2.5GBASE-T) IEEE 802.3ab (1000BASE-T ) IEEE 802.3u (100BASE-TX ) IEEE 802.3i (10BASE-T) IEEE P802.3az Energy Efficient Ethernet (EEE) IEEE802.1Q (VLAN tagging) Wake-on-LAN (WOL) PCI Express Version 2.1
  • Connectors: 1 x RJ45
  • Wake On LAN: Wake-on-LAN (WOL)
  • Model #: ST1000PEXPSE
StarTech.com USB to Ethernet Adapter, USB 3.0 to 10/100/1000 Gigabit Ethernet LAN Adapter, USB to RJ45 Adapter, TAA Compliant
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StarTech.com USB to Ethernet Adapter, USB 3.0 to 10/100/1000 Gigabit Ethernet LAN Adapter, USB to RJ45 Adapter, TAA Compliant
  • Weight: 0.35
  • Package Contents: USB 3.0 to Gigabit Ethernet NIC Network Adapter 1 x Driver CD 1 x Instruction Manual
  • Parts: 2 Year
  • Labor: 2 Year
  • Model #: USB31000SW
StarTech.com PCI Express (PCIe) Gigabit Ethernet Multimode SC Fiber Network Card Adapter NIC - 550m
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StarTech.com PCI Express (PCIe) Gigabit Ethernet Multimode SC Fiber Network Card Adapter NIC - 550m
  • Dimensions: Height: 4.6" Width: 0.7" Length: 4.7"
  • Weight: Weight (Approximate): 2.30 oz
  • Package Contents: 1 Port PCI Express Gigabit Fiber Network Card 1 x Low Profile Bracket 1 x Driver CD 1 x Instruction Manual
  • Model #: PEX1000MMSC2
  • $211.99
  •  
  • $155.99 
  • Save: 26%
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StarTech.com USB 3.0 to Gigabit Network Adapter - Silver - Sleek Aluminum Design Ideal for MacBook, Chromebook or Tablet
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StarTech.com USB 3.0 to Gigabit Network Adapter - Silver - Sleek Aluminum Design Ideal for MacBook, Chromebook or Tablet
  • Weight: 0.01
  • Package Contents: USB 3.0 to Gigabit Network Adapter - Silver 1 x Quick Install Guide
  • Parts: 2 Year
  • Model #: USB31000SA
Belkin USB-C to Gigabit Ethernet Adapter (USB Type-C)
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Belkin USB-C to Gigabit Ethernet Adapter (USB Type-C)
  • Connectors: 1 x RJ45
  • Package Contents: USB-C to Gigabit Ethernet Adapter
  • Model #: B2B145-BLK
BELKIN USB 3.0 to Gigabit Ethernet Adapte
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BELKIN USB 3.0 to Gigabit Ethernet Adapte
  • Connectors: 1 x USB 3.0
  • Weight: 20
  • Model #: B2B048
StarTech.com 1 Port 2.5Gbps 2.5GBASE-T PCIe Network Card x1 PCIe - Windows, MacOS & Linux - PCI Express LAN Card - RTL8125 (ST2GPEX)
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StarTech.com 1 Port 2.5Gbps 2.5GBASE-T PCIe Network Card x1 PCIe - Windows, MacOS & Linux - PCI Express LAN Card - RTL8125 (ST2GPEX)
  • Connectors: 1 x RJ45
  • LEDs: 1 x Green LED: 2.5Gbps 1 x Green LED: 1Gbps/100Mbps/10Mbps
  • Dimensions: 4.70" x 3.10" x 0.80"
  • Weight: 4.9 oz.
  • Model #: ST2GPEX
Intel Gigabit Ethernet Server Adapter I350-T2
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Intel
Intel Gigabit Ethernet Server Adapter I350-T2
  • Brand: Intel
  • Part Number: I350-T2
  • Standards: EEE 802.3 (10BASE-T, 100BASE-TX, 1000BASE-T)
  • Speed: 10/100/1000Mbps
  • Model #: I350T2V2
StarTech.com 10G Network Card - 2 port - NBASE-T - RJ45 Port - Intel X550 chipset - Ethernet Card - Intel NIC Card
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StarTech.com 10G Network Card - 2 port - NBASE-T - RJ45 Port - Intel X550 chipset - Ethernet Card - Intel NIC Card
  • Standards: IEEE 802.3an (10GBASE-T), IEEE 802.3ab (1GBASE-T), IEEE 802.3u (100BASE-T), IEEE 802.3az (EEE - Energy Efficient Ethernet)
  • Connectors: 2 x RJ45
  • LEDs: 2 - Link Speed 2 - Link Activity
  • Dimensions: 4.70" x 0.80" x 6.40"
  • Model #: ST20000SPEXI

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:

John H.
10/19/2025 1:27:45 PM
Works great, once SFP-vendor-unlocked

“ Great price for a 10G-capable adapter ”

Intel X520-SR2 Dual Ports 10 Gigabit Ethernet Converged Network Adapter, PCI Express 2.0 x8, Low Profile
JV
2/23/2023 6:27:30 PM
Really great PoE Nic Card.

“ The Intel 350 chipset is amazing and super reliable. ”

SIIG LB-GE0811-S1 4-Port Gigabit Ethernet with PoE PCIe Card - Intel 350 1 Gbps PCI Express 2.1 (5.0 GT/s) 4 x RJ45
Mike
1/15/2023 7:36:16 AM
Works well in OPNsense firewall

“ Recommended. ”

QNAP QXG-2G4T-I225 Quad-Port 2.5 GbE Network Expansion Card