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- 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
- $2,236.00 –
- More options from $1,790.82 - $2,236.00
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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
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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
- $159.99 –
- $30.00 Shipping
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LR-LINK Intel X550 PCIe X4 10Gbps Dual Port Server Adapter 2 x RJ45, Compatible with Intel X550-T2
- Connectors: 2 x RJ45
- LEDs: Link, Activity
- Temperature: 0°C ~ 55°C
- Humidity: 5 % ~ 95 % (Non-condensing)
- Model #: LREC9812BT
- $259.00 –
- $30.00 Shipping
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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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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
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1000M Ethernet PCI Intel network card (82540), RJ45 PCIE Network Adapter, Network Card, PC Ethernet Card, Support Win10
- Model #: Jc041
- $19.90 –
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10Gb SFP+ PCI-E Network Card NIC, with Broadcom BCM57810S Chip, Dual SFP+ Port, PCI Express X8, Support Windows Server/Linux/VMware
- Model #: BEHIFIBER01C
- $99.99 –
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- Model #: 817753-B21
- $759.20 –
- More options from $128.70 - $799.99
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LR-LINK 1023PF-4SFP28 PCIe x16 Quad-port 25G SFP28 Ethernet Network Adapter (Intel E810 Chip Based)
- Standards: IEEE 802.3az
- Connectors: 4*25G SFP28
- BUS: PCIe v4.0 x16
- Drivers: Included
- Model #: LRES1023PF-4SFP28
- $669.99 –
- $30.00 Shipping
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LR-LINK High performance PCIe Network Card, Dual-port 100G QSFP28 Ethernet Network Adapter Intel E810 Chip Based,100Gb LAN Adapter Support Windows Server/Windows, Linux, Vmware
- Connectors: 2*QSFP28
- Class: PCI Express
- Model #: LRES1014PF-2QSFP28
- $699.99 –
- $30.00 Shipping
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- Windows Vista: Windows 10, Windows 11, Linux
- Dimensions: BE1750x
- Parts: 30 Days
- Labor: 30 Days
- Model #: 735858547314
- $71.71 –
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Computer PCI X32 Gigabit Network Interface Card Intel 82540 Diskless Ethernet adatper Card
- Connectors: 1 x RJ45
- LEDs: Link, Activity
- Model #: 2#K0248
- $19.60 –
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2.5Gbps Network Adapter Card Realtek RTL8125B Ghip PCIE Gigabit Ethernett Adapter Card 4 RJ45 Connectors
- Connectors: 4 x RJ45
- Windows Vista: Window 10
- Model #: 2#K0533
- $91.00 –
- Free Shipping
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10Gb SFP+ PCI-E Network Card NIC, with Intel 82599EN Chip, Single SFP+ Port, PCI Express X8, Ethernet Converged Network Adapter Support Windows Server /Linux/VMware
- Connectors: 1 x SFP+
- Model #: K0463
- $94.93 –
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MELLANOX MNPA19-XTR 10GB CONNECTX-2 PCIe X8 SFP+ NETWORK CARD w/ SFP CABLE
- Model #: BEC6ZYT103
- $69.99 –
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qnap storage controller - pcie 3.0 low profile - pcie 3.0 x8
- Parts: 1 Year
- Model #: RNAB07WG41TF5
- $230.67 –
- More options from $186.48 - $493.45
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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 –
- Free Shipping
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Dual-Port PCIe Gigabit Network Card 1000M PCI Express Ethernet Adapter with Intel 82575/82576 Two Ports LAN NIC Card for Support PXE for Windows/Windows Server/Linux/Freebsd/DOS with Low Profile
- Model #: 6476073729287ASDFA834815
- $74.78 –
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- $51.20 –
- More options from $51.20 - $57.37
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- Brand: IBM
- Part Number: 7ZT7A00484
- Standards: Ethernet
- Speed: 10000 megabits_per_second
- Model #: 7ZT7A00484
- $854.94 –
- More options from $139.42 - $854.94
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- Parts: 30 DAYS WARRANTY
- Labor: 30 DAYS WARRANTY
- Model #: IN#INTI350T4V2
- $185.75 –
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- $292.56 –
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Emulex OneConnect OCE14101-NX 10Gigabit Ethernet Card
- Parts: 3 Year
- Model #: OCE14101-NX
- $275.95 –
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- $37.99 –
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- $52.41 –
- More options from $52.41 - $58.58
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- $39.16 –
- More options from $39.16 - $44.12
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- Brand: Intel
- Model: X540T2
- Part Number: X540-T2
- Standards: IEEE 802.3 – Original Ethernet standard (10 Mbps) IEEE 802.3u – Fast Ethernet (100 Mbps) IEEE 802.3ab – Gigabit Ethernet over copper (1000BASE-T) IEEE 802.3an – 10 Gigabit Ethernet over copper (10GBASE-T) IEEE 802.3x – Flow control (full-duplex) IEEE 802.3ad – Link aggregation / LACP (teaming multiple ports) IEEE 802.1Q – VLAN tagging IEEE 802.1p – Quality
- Model #: 2ee-307377000192848
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Jabra PanaCast 50 Table Stand 1420770
- Model #: 1420770
- $95.81 –
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- $12.99 Shipping
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 RJ45Mc
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)