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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
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NVIDIA ConnectX-7 NDR 400G InfiniBand Adapter Card - PCI Express 5.0 x16 - 400 Gbit/s Data Transfer Rate - 1 Port(s) - Optical Fiber - HHHL Bracket Height - OSFP | MCX75310AAS-NEAT
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NVIDIA
NVIDIA ConnectX-7 NDR 400G InfiniBand Adapter Card - PCI Express 5.0 x16 - 400 Gbit/s Data Transfer Rate - 1 Port(s) - Optical Fiber - HHHL Bracket Height - OSFP | MCX75310AAS-NEAT
  • Brand: NVIDIA
  • Part Number: MCX75310AAS-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 #: MCX75310AAS-NEAT
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TAA GIG PCIE FIBER ADAPTER
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TAA GIG PCIE FIBER ADAPTER
  • Brand: ALLIED TELESIS BOX
  • Part Number: AT-2914SX/LC-901
  • Interface: PCI
  • BUS: pci
  • Model #: AT-2914SX/LC-901
BUCIER PA17 PCIe 5.0 X16 Riser Adapter Card, Straight and Low-Profile for 1U/2U Server Installation
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BUCIER PA17 PCIe 5.0 X16 Riser Adapter Card, Straight and Low-Profile for 1U/2U Server Installation
  • Brand: BUCIER
  • Part Number: PA17-180D
  • Standards: PCIe
  • Connectors: PCIe
  • Model #: 8567457991
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  • $34.99 
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X520-DA2 Intel 82599ES 10Gb/S PCl-E Dual Port E10G42BTDA Ethernet Server Adapter
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Intel
X520-DA2 Intel 82599ES 10Gb/S PCl-E Dual Port E10G42BTDA Ethernet Server Adapter
  • Brand: Intel
  • Model: X520-DA2
  • Part Number: X520-DA2
  • Standards: IEEE 802.3ae, IEEE 802.3ap, IEEE 802.3an, IEEE 802.3ad
  • Model #: 11c-515452000192846
BUCIER PA17 PCIe 5.0 X16 Riser Adapter Card, Left Angle and Low-Profile for 1U/2U Server Installation
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BUCIER PA17 PCIe 5.0 X16 Riser Adapter Card, Left Angle and Low-Profile for 1U/2U Server Installation
  • Brand: BUCIER
  • Part Number: PA17-270D
  • Standards: PCIe
  • Connectors: PCIe
  • Model #: 8567457990
  •  
  • $39.99 
  • Free Shipping
Mellanox ConnectX-4 EN Network Adapter (MCX414A-BCAT)
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  •  
  • $279.99 
  • Free Shipping
SAS Slim 4.0 SFF-8654 8i PCI-E Ultraport Slimline 74pin to Dual SFF-8643 4i Cable PCI-Express Mini SAS HD
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  •  
  • $41.89 
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Intel EXPI9404PTL 10/100/1000Mbps PCI-Express PT Quad Port Low Profile Server Adapter
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Intel EXPI9404PTL 10/100/1000Mbps PCI-Express PT Quad Port Low Profile Server Adapter
  • Standards: IEEE 802.1Q VLANs IEEE 802.3ad IEEE 802.3ab IEEE 802.3u IEEE 802.3x IEEE 802.1p IEEE 802.3z
  • Connectors: 4 x RJ45
  • BUS: PCI Express 1.0a
  • LEDs: 4 (1/port, link and speed) solid and blinking
  • Model #: EXPI9404PTL
Synology Adapter E10G30-T1 Single-Port 10GbE
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Synology Adapter E10G30-T1 Single-Port 10GbE
  • Brand: HP
  • Part Number: E10G30-T1
  • Connectors: 1 x RJ45
  • Features: Single-Port 10GbE, 10 gigabits_per_second, ethernet, Desktop, 5 Year Manufacturer
  • Model #: E10G30-T1
  • $148.14 - $157.89
Intel EXPI9024PTBLK 10/100/1000Mbps PCI Express x4 PRO/1000 PT Quad Port Bypass Server Adapter
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Intel
Intel EXPI9024PTBLK 10/100/1000Mbps PCI Express x4 PRO/1000 PT Quad Port Bypass Server Adapter
  • Standards: IEEE 802.3ab
  • Connectors: 4 x RJ45
  • Parts: Lifetime limited
  • Labor: Lifetime limited
  • Model #: EXPI9024PTBLK
Intel X710T4LOCPV3 X710-T4L 10Gigabit Ethernet Card
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Intel
Intel X710T4LOCPV3 X710-T4L 10Gigabit Ethernet Card
  • Weight: 2.0000
  • Model #: X710T4LOCPV3
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BUCIER PA17 PCIe 5.0 X16 Riser Adapter Card, Right Angle and Low-Profile for 1U/2U Server Installation
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BUCIER PA17 PCIe 5.0 X16 Riser Adapter Card, Right Angle and Low-Profile for 1U/2U Server Installation
  • Brand: BUCIER
  • Part Number: PA17-90D
  • Standards: PCIe
  • Connectors: PCIe
  • Model #: 8567457989
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  • $34.99 
  • Free Shipping
Intel Ethernet Network Adapter OCP3.0 E810-XXVDA2 OEM Gen
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Hynix HMA82GU6DJR8N-XN Memory 16GB DDR4 3200MHz UDIMM MEM-DR416L-HL01-UN32
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  •  
  • $129.00 
USB 1 Port RS232 1MBaud
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USB 1 Port RS232 1MBaud
  • Weight: 0.1500
  • Model #: US-101
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StarTech.com Dual Port 10G PCIe Network Adapter Card, Intel-X550AT 10GBASE-T PCI Express 10GbE Multi Gigabit Ethernet 5 Speed NIC 2 Port
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StarTech.com Dual Port 10G PCIe Network Adapter Card, Intel-X550AT 10GBASE-T PCI Express 10GbE Multi Gigabit Ethernet 5 Speed NIC 2 Port
  • Standards: IEEE 802.3an (10GBASE-T), IEEE 802.3ab (1GBASE-T), IEEE 802.3u (100BASE-T) PCI Express Rev 3.0
  • Temperature: Operating Temperature:5 ~ 50 degree Celsius (41 ~ 122 degree Fahrenheit) Storage Temperature: -20 ~ 60 degree Celsius (-4 ~ 140 degree Fahrenheit)
  • Humidity: 20% ~ 80% RH
  • Dimensions: 0.70" x 4.70" x 5.90"
  • Model #: ST10GPEXNDPI
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Hynix HMAA4GR7AJR8N-XN Memory 32GB DDR4 3200MHz RDIMM - MEM-DR432L-HL03-ER32
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  •  
  • $340.58 
Hynix HMAG78EXNRA Memory 16GB DDR4 3200MHz RDIMM MEM-DR416LD-ER32
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  •  
  • $188.09 
Allied Telesis Fast Ethernet Fiber Network Interface Card with PCI-Express
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Allied Telesis Fast Ethernet Fiber Network Interface Card with PCI-Express
  • Weight: 0.21
  • Package Contents: Fast Ethernet Fiber Network Interface Card with PCI-Express Standard Bracket Low-Profile Bracket
  • Parts: Lifetime
  • Model #: AT-2711FX/LC-901
Sams M393A2K40DB2-CVF Memory 16GB DDR4 2933MHz RDIMM - MEM-DR416L-SL03-ER29
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  •  
  • $172.79 
Intel EXPI9402PF 10/100/1000Mbps PCI-Express Two Gigabit Fiber Server Connections
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Intel
Intel EXPI9402PF 10/100/1000Mbps PCI-Express Two Gigabit Fiber Server Connections
  • Standards: IEEE 802.1Q VLANs IEEE 802.3ad IEEE 802.3 (z, ab, u, x) flow control support IEEE 802.1p IEEE 802.3z
  • Connectors: 2 x LC
  • BUS: PCI Express 1.0a
  • LEDs: 4 (1/port, link and speed) solid and blinking
  • Model #: EXPI9402PF
Vertiv Liebert IntelliSlot RDU120 Network Communications Card
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  • $389.26 - $396.29
Intel EXPI9404PFBLK 10/100/1000Mbps PCI-Express PF Quad Port Server Adapter
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Intel
Intel EXPI9404PFBLK 10/100/1000Mbps PCI-Express PF Quad Port Server Adapter
  • Standards: IEEE 802.1Q VLANs IEEE 802.3ad IEEE 802.3ab IEEE 802.3u IEEE 802.3x IEEE 802.1p IEEE 802.3z
  • Connectors: 4 x LC
  • BUS: PCI Express 1.0a
  • LEDs: 4 (1/port, link and speed) solid and blinking
  • Model #: EXPI9404PFBLK
Intel PWLA8492MF 10/100/1000Mbps PCI PRO/1000 MF Dual Port Server Adapter
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Intel
Intel PWLA8492MF 10/100/1000Mbps PCI PRO/1000 MF Dual Port Server Adapter
  • Standards: IEEE 802.3z
  • Connectors: 2 x LC
  • On-board Memory: 128 KB (64 KB per port)
  • Wake On LAN: Yes
  • Model #: PWLA8492MF
Intel X520-SR2 Dual Ports 10 Gigabit Ethernet Converged Network Adapter, PCI Express 2.0 x8, Low Profile
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Intel X520-SR2 Dual Ports 10 Gigabit Ethernet Converged Network Adapter, PCI Express 2.0 x8, Low Profile
  • Part Number: E10G42BFSRBLK
  • Features: Product Type:10Gigabit Ethernet Card Network Technology: 10GBase-SR Form Factor: Plug-in Card
  • Weight: 0.4
  • Parts: 30 DAYS WARRANTY
  • Model #: E10G42BFSRBLK
Micron MTA36ASF4G72PZ-2G6E1 Memory 32GB DDR4 2666MHz RDIMM - MEM-DR432L-CL03-ER26
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Intel Ethernet Network Adapter E810-2CQDA2 | E8102CQDA2
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Intel
Intel Ethernet Network Adapter E810-2CQDA2 | E8102CQDA2
  • Brand: Intel
  • Part Number: E8102CQDA2
  • Features: Adapter Features Data Rate Supported: 100/50/25/10GbE per port Bus Type/Bus Width: PCIe 4.0 x16 Note: full 200Gbps performance requires PCIe slot bifurcation enabled in the system BIOS Hardware Certifications: BSMI, CE, CMIM, FCC, ICES, KCC, RCM, UKCA, cURus, and VCCI BMSI RoHS and RoHS-compliant: Product is compliant with Taiwan Bureau of Standards, Metrology and Inspection (BMSI), and EU RoHS Directive 2 2011/65/EU (Directive 2011/65/EU) and its amendments (e.g. 2015/863/EU) Controller: Intel® Ethernet Controller E810-CAM1 (two controllers per adapter) Power Consumption DAC's 100GbE (Typical Power) Max 21.8 W 29.6 W (Max Power) Idle (no traffic) 19.2 W (Typical Power) Optics 100GbE Max 25.3 W (Typical Power) 33.5 W (Max Power) Idle (no traffic) 22.8 W (Typical Power) QSFP28 Max Pow...
  • Model #: E8102CQDA2
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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:

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