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Intel Ethernet Converged Network Adapter X540-T2
- Brand: Intel
- Model: X540T2 (bulk/OEM package)
- Part Number: X540-T2
- Standards: 10GBASE-T, 1000BASE-T, 100BASE-TX, IEEE 802.3an, IEEE 802.3ab, IEEE 802.3u, IEEE 802.1Q VLAN, IEEE 802.3x Flow Control
- Model #: X540T2BLK
- $135.00 –
- More options from $78.99 - $182.00
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LR-LINK OCP3.0 1GB network card NIC Compatible for Intel I350AM4,Four RJ45 Port Ethernet card,1G LAN Adapter Support Windows Server/Windows, Linux, Vmware Intel I350AM4(4*RJ45)
- Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab, IEEE802.3x
- Connectors: 4 x RJ45
- Temperature: 0°C ~ 55°C
- Humidity: 0 % ~ 90 % (Non-condensing)
- Model #: 6925909303684
- $139.99 –
- $10.00 Shipping
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GLOTRENDS LE8445 4-Port 2.5 Gigabit PCIe Ethernet Network Card, 4 x RTL8125BG Chip, 4 x RJ45 LAN Port, PCIe X4 Installation
- Model #: LE8445
- $99.99
- $57.99 –
- Save: 42%
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- $29.99 –
- More options from $29.99 - $46.43
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- Model #: YGW92, 0YGW92, CN-YGW92, RFPC9
- $17.39 –
- More options from $17.29 - $27.93
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9240-8i 6Gbps SAS HBA FW:P20 9211-8i IT Mode ZFS FreeNAS unRAID 2* SFF-8087 SAS SATA Host Bus Adapter Controller Card
- Model #: 69089112155
- $59.00 –
- Free Shipping
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2.5Gbps Network Adapter Card Realtek RTL8125B Ghip PCIE Gigabit Ethernett Adapter Card 4 RJ45 Connectors eokCXOY
Limited time offer, ends 07/19
- Model #: C2AG-1112-55
- $74.09 –
- More options from $74.09 - $77.98
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Mellanox MCX631102AN-ADAT 25Gbps PCIe 4.0 x8 ConnectX-6 Lx EN Adapter Card
- Connectors: 2 x SFP28
- Model #: MCX631102AN-ADAT
- $399.99
- $362.00 –
- Save: 9%
- More options from $359.80 - $673.50
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LSI 9200-8i (9211-8I) RAID Controller Card 6Gbps SAS PCI E HBA IT Mode ZFS FreeNAS unRAID RAID Expander + 2 Cable SATA
- Model #: 69089112219
- $69.00 –
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PNY NVIDIA RTX PRO Sync Display Synchronization Board VCQPQUADROSYNC2-PB
- Model #: VCQPQUADROSYNC2-PB
- $1,439.00 –
- $18.00 Shipping
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Mellanox CX4121A MCX4121A-ACAT 25GbE Dual-Port SFP28 PCIe 3.0 Adapter Card
- Model #: CX4121A MCX4121A-ACAT
- $135.00 –
- Free Shipping
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StarTech 2-Port 2.5Gbps NBASE-T PoE Network Card, Dual Intel I225-V, 802.3af/at PoE+ Multi-Gigabit NIC, PCI Express Server LAN Card, LP4/8-Pin PCIe-Powered Model PR22GIP-NETWORK-CARD
- Brand: StarTech
- Model: PR22GIP-NETWORK-CARD
- Part Number: PR22GIP-NETWORK-CARD
- Standards: IEEE 802.3at Power over Ethernet, IEEE 802.3af Power over Ethernet, 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 802.1p (QoS), IEEE 802.1AS (AVB), IEEE 802.1X (WoL), IEEE P802.3az (EEE), IEEE 1588 (PTP), PCI Express Version 2
- Model #: PR22GIP-NETWORK-CARD
- $217.72 –
- More options from $213.99 - $234.72
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- Model #: ADIB00GVLNQDK
- $229.00 –
- More options from $229.00 - $241.00
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- Connectors: 1 x RJ45
- Model #: X540T1BLK
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- $197.20 –
- More options from $197.20
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in 30 days
Intel E10G41BFSR 10Gbps PCI Express 2.0 x8 Server Adapter X520-SR1- Standards: IEEE 802.3, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.1ae, IEEE 802.1as
- Connectors: 1 x LC
- Parts: Lifetime limited
- Labor: Lifetime limited
- Model #: E10G41BFSR
- $209.95
- $55.76 –
- Save: 73%
- More options from $55.76 - $75.02
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- $29.99 –
- Free Shipping
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Single Port 2.5 Gigabit Ethernet PCI-e x1 Controller Card NIC Intel I225 Chipset
- Connectors: 1 x RJ45
- Parts: 3 Years
- Labor: 3 Years
- Model #: SY-PEX24076
- $27.95 –
- Free Shipping
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- Model #: EXPI9404PTL-R
- $79.99 –
- More options from $79.99 - $95.50
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Refurbished IBM 49Y7961 Intel X520-DA2 Dual Port 10GbE SFP+ Network Adapter Card
- Model #: 49Y7961, 049Y7961, CN-049Y7961
- $75.00 –
- Free Shipping
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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
- $33.81
- $33.72 –
- More options from $33.72 - $36.41
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- $29.94 –
- More options from $29.86
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- Brand: Intel
- Model #:
- $22.55 –
- Free Shipping
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Tripp Lite USB-C to RJ45 Gigabit Ethernet Network Adapter (M/F) - USB 3.2 Gen 1, 2.5 Gbps Ethernet - Gigabit Ethernet Adapter USB 3.2 (Gen 1) Type C - 320 MB/s Data Transfer Rate - 1 Port(s) - 1 - Twi
- Parts: 3 Year
- Model #: U436-06N-2P5
- $49.99
- $44.99 –
- Save: 10%
- More options from $44.29 - $49.02
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Intel Gigabit ET Dual Port Server Adapter, OEM Pack (E1G42ETBLK)
- Connectors: 2 x RJ45
- Weight: 0.25
- Package Contents: Gigabit ET Dual Port Server Adapter Informational CD Bracket
- Parts: 30 Days Warranty
- Model #: E1G42ETBLK
- $61.93 –
- More options from $61.93 - $63.89
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10Gb PCI-E NIC Network Card for Intel X550-T2,2.5GbE/5GbE/10GbE Copper Dual RJ45 Ports,with Intel ELX550AT2 Chip,10GbE PCI Express 3.0 X4 Ethernet Adapter Support Windows/Linux/VMware
- Brand: HP
- Part Number: VG-X550-T2
- Features: 8.8"L x 5.9"W x 1.1"H, 10 gigabytes_per_second, ethernet, Desktop, 3-Year Free Warranty
- Dimensions: 14.33in W x 12.83in H x 9.06in D
- Model #: 532704595420
- $135.99 –
- Free Shipping
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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
- $28.99
- $26.99 –
- Save: 6%
- More options from $26.99 - $90.99
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- Brand: Intel
- Model: X520-DA2
- Part Number: X520-DA2
- Standards: IEEE802.3
- Model #: E10G42BTDA---Intel
- $49.99 –
- More options from $49.99 - $83.00
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PCI Express Dual Port Copper Gigabit Ethernet Bypass Server Adapter(Intel I350AM2 based)
- Connectors: Dual Shielded RJ-45
- Temperature: 0°C ~ 45°C
- Humidity: 5 % ~ 95 % (Non-condensing)
- Class: 1000M, PCIE
- Model #: LREC9712HT-BP
- $188.30 –
- $10.00 Shipping
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Mellanox CX4121A MCX4121A-ACAT ConnectX-4 25Gigabit Ethernet Card PCI-E 3.0
- Model #: 6908901189
- $98.94 –
- More options from $98.79 - $250.00
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- Brand: NVIDIA
- Part Number: MCX512A-ACAT
- Speed: Data Rate: 1/10/25 Gb/s Ethernet
- Connectors: Dual SFP28 Ethernet (copper and optical)
- Model #: MCX512A-ACAT
- $229.95 –
- More options from $229.95 - $653.00
- Free 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)