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X540-T2 10G Dual RJ45 Port PCI-E Ethernet Network Adapter For Chipset X540
- Brand: Intel
- Model: X540-T2
- 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 #: ZZL-RNU-ASD1463386
- $84.90 –
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- Brand: Intel
- Part Number: X710T2L
- Standards: Ethernet
- Speed: 10Gbps
- Model #: X710T2L
- $298.39 –
- More options from $235.99 - $757.64
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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 - $88.25
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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 $26.82 - $90.99
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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
- $337.95 –
- More options from $280.00 - $839.55
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- Brand: Intel
- Part Number: I350-T2
- Standards: EEE 802.3 (10BASE-T, 100BASE-TX, 1000BASE-T)
- Speed: 10/100/1000Mbps
- Model #: I350T2V2
- $109.89
- $106.00 –
- More options from $106.00 - $387.85
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Hynix HMA82GU6CJR8N-VK Memory 16GB DDR4 2666MHz 2RX8 UDIMM - MEM-DR416L-HL01-UN26
- Model #: WDN-Hynix-HMA82GU6CJR8N-VK
- $121.03 –
- More options from $121.03 - $124.99
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- Brand: Intel
- Part Number: X710T4LBLK
- Speed: Data rate per port: 10GbE/5GbE/2.5GbE/1GbE/100Mb
- Connectors: 4 x RJ45
- Model #: X710T4LBLK
- $595.99 –
- More options from $429.94 - $714.39
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LSI 9300-8i RAID Controller Card PCI E 3.0 12Gbps HBA IT Mode ZFS FreeNAS unRAID + 2 SFF-8643 SATA Cable RAID Expander
- Model #: 69089112114
- $98.00 –
- More options from $98.00 - $197.99
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StarTech.com 1-Port 2.5G NBASE-T PCIe Network Card Intel®I225-V, Single-Port Ethernet, Multi-Gigabit NIC
- Part Number: PR12GI-NETWORK-CARD
- Model #: PR12GI-NETWORK-CARD
- $46.99 –
- More options from $46.99 - $55.94
- $6.99 Shipping
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Intel EXPI9301CTBLK 10/100/1000Mbps PCI-Express Network Adapter
- Connectors: 1 x RJ45
- Wake On LAN: Yes
- Temperature: 0°C ~ 55°C
- Humidity: 90% non-condensing relative humidity at 35° C
- Model #: EXPI9301CTBLK
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StarTech ST1000SPEX2L PCI-Express x1 Gigabit NIC Server Adapter Network Card - Low Profile
- Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab, IEEE802.3x
- Connectors: 1 x RJ45
- LEDs: 1 x Gigabit Detect (Yellow) 1 x Link / Activity (Green)
- Wake On LAN: Yes
- Model #: ST1000SPEX2L
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2.5G PCIe Network Adapter RTL8125B 2500/1000/100Mbps, RIITOP PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/MAC with Low Profile
Limited time offer, ends 05/18
- Model #: PCET25G-UT-RT
- $19.99 –
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- Brand: NVIDIA
- Part Number: 900-9D3B6-00CC-EA0
- Connectors: 2-Ports QSFP112
- Features: Data Transmission Rate: InfiniBand: HDR100 100Gb/s, Ethernet: 100GbE (Default) PCIe Support: PCIe Gen 5.0 x16 x16 PCIe Extension Option External Power Connector Crypto Enabled On-Board DDR5 Memory: 32GB Integrated BMC
- Model #: 900-9D3B6-00CC-EA0
- $4,030.00
- $2,628.99 –
- Save: 34%
- More options from $2,522.56 - $2,916.20
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- Brand: Intel Corporation
- Part Number: X550T2
- Interface: PCIe v3.0 (8.0 GT/s)
- Weight: 1
- Model #: 735858307369
- $148.81
- $146.98 –
- More options from $118.99 - $154.99
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- Brand: Intel
- Model: X540-T2
- 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 #: 4248-A
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StarTech.com Gigabit Ethernet Card, PCI Express 2.1 x1 - Intel I210-IS
- Dimensions: Height: 0.6" Width: 2.6" Depth: 3.4"
- Weight: Weight (Approximate): 1.40 oz
- Model #: P011GINETWORKCARD
- $117.99 –
- More options from $117.89 - $122.89
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5Gb PCIe Network Card, 5 Gigabit Ethernet Card, Realtek RTL8126B LAN Adapter, Multi-Speed 5Gbps/2.5Gbps/1Gbps NIC Card for Desktop PCs, Gaming, NAS, Windows & Linux Compatible
- Brand: HP
- Connectors: 1 x RJ45
- Windows Vista: Certified for Windows Vista
- Features: 5 gigabits_per_second, Desktop, 1Year Manufacturer
- Model #: 959216763375
- $65.99 –
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SIIG LB-GE0811-S1 1 Gbps PCI Express 2.1 (5.0 GT/s) 4-Port Gigabit Ethernet with PoE PCIe Card - Intel 350
- Connectors: 4 x RJ45
- Temperature: Operating temperature: 41 to 122 °F Storage temperature: -13 to 158 °F
- Humidity: 20% to 80% RH (non-condensing)
- Model #: LB-GE0811-S1
- $300.00
- $253.99 –
- Save: 15%
- More options from $253.99 - $317.52
- $6.99 Shipping
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- Brand: Intel
- Part Number: X710T2LOCPV3
- Speed: 10 Gbit/s Data Transfer Rate
- Model #: X710T2LOCPV3
- $289.99 –
- More options from $275.49 - $695.41
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Mellanox CX4121A MCX4121A-ACAT ConnectX-4 25Gigabit Ethernet Card PCI-E 3.0
- Model #: 6908901189
- $99.99 –
- More options from $99.99 - $250.00
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Intel Ethernet Server Adapter I350-T4, quad-port gigabit Ethernet server adapters | I350T4V2
- Brand: Intel
- Part Number: I350T4V2
- Standards: EEE 802.3 (10BASE-T, 100BASE-TX, 1000BASE-T)
- Speed: 10/100/1000Mbps
- Model #: I350T4V2
- $151.67 –
- More options from $151.62 - $233.75
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Dell 540-BBVM 10Gbps PCI-Express Dual Port Broadcom 57416 10Gb Base-T Server Adapter Ethernet PCIe Network Interface Card Low Profile
- Connectors: 2 x RJ45
- Model #: 540-BBVM
- $223.97 –
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- $99.99 –
- More options from $99.99 - $168.41
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10G Dual RJ45 Port PCI-E Network Card, with X540 Controller, Gigaplus X540-T2 10Gb Ethernet Adapter with 2 * 10Gbe NIC, Support Windows/Linux/ESX Servers
Limited time offer, ends 05/17
- Model #: 906071151064
- $156.98 –
- More options from $149.99 - $156.98
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10Gtek 10G Network Card Compare to Intel X520-DA2(Intel E10G42BTDA), Dual SFP+ Port, with Intel 82599EN Controller, PCIe x8 Ethernet Adapter Support Windows Server/Linux/VMware, with 2pcs SFP+ DAC 1 m
- Standards: IEEE802.3,IEEE802.3u,IEEE802.3ab
- Connectors: 2 x SFP+
- Temperature: 0°C ~ 55°C
- Features: Intel X520
- Model #: X520-10G-2S-X8+CAB-10GSFP-P1M (x2)-CSC-X
- $85.99 –
- Free Shipping
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SAS9300-16i 9300-16i 16-Port 12Gb/s SAS-3 SAS/SATA PCIe HBA IT Model ZFS TrueNAS UnRAID Controller Card
- Model #: 69089112221
- $148.99 –
- More options from $144.99 - $148.99
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IBM 39Y6126 10/100/1000Mbps PCI Express x4 Intel PRO/1000 PT Dual Port Server Adapter
- Connectors: 2 x RJ45
- Parts: 1 year limited
- Labor: 1 year limited
- Model #: 39Y6126
- $29.00 –
- More options from $29.00 - $111.00
- Free Shipping
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LSI SAS9207-8E Logic SGL SAS PCIE 12/3.3V CTLR 8Port Ext 6GB/S SATA Plus SAS
- Model #: 69089112213
- $58.00 –
- Free Shipping
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QNAP QXG-2G1T-I225, 2.5 GbE network expansion card, 1 x NBASE-T (RJ45)
- Model #: QXG-2G1T-I225
- $79.00 –
- More options from $79.00 - $225.74
- $11.20 Shipping
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- Parts: 30 DAYS WARRANTY
- Labor: 30 DAYS WARRANTY
- Model #: SNXI350T4V2
- $159.00 –
- More options from $159.00 - $209.01
- Free Shipping
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Mellanox ConnectX-4 MCX4121A-XCAT 10Gigabit Ethernet Card
- Model #: MCX4121A-XCAT
- $85.00 –
- More options from $84.99 - $584.00
- Free Shipping
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PCIe 1x SFP 10/100/1000Mbps Desktop Network Adapter Gigabit Fiber Network Lan Card with Intel I210 Chipset TXA026
- Model #: DW-TXA026
- $58.99 –
- More options from $58.99 - $68.78
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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 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)