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82546EB PRO 1000MT Network Card PCI Gigabit Dual-Port Server Network Card 8492MT Gigabit Network Card
- Model #: ooc-0142379
- $51.71 –
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C&N Dual-Port PCIe X4 Gigabit Network Card with Intel 82576 Ethernet Adapter - PXE and SR-IOV Support for Linux and Windows Server Compatibility
- Speed: 1000 megabytes_per_second
- Wake On LAN: Yes
- Features: Desktop
- Dimensions: 113.0 in x 69.0 in x 18.0 in
- Model #: JL82576EB
- $39.99 –
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SINGLE PORT 2.5GBE 4SPEED NTWK
- Model #: QXG-2G1T-I225
- $91.00 –
- More options from $89.08 - $166.70
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- Brand: Intel
- Model: X520-DA2
- Part Number: X520-DA2
- Speed: 10Gbps
- Model #: E10G42BTDAG1P5
- $42.29 –
- More options from $42.29 - $108.25
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- Standards: 802.3, 802.3ae, 802.3x, 802.2x, 802.3ad, 802.1Qaz, 802.1Qau, 802.1Qbb,802.1Qbg, 802.1ax
- Connectors: 2 x SFP+
- Drivers: www.dell.com
- Parts: 1-Year
- Model #: N20KJ - 57810
- $98.99 –
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- Model #: AX411.NGWG.NVX
- $29.95 –
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BCM957508-P2100G High-Performance, Feature-Rich NetXtreme E-Series Dual-Port 100G PCIe Ethernet NIC 100Gbps PCIe 4.0 x16 2 x QSFP56
- Model #: BCM957508P2100G
- $546.00 –
- More options from $546.00 - $548.00
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10Gb Network Card with Mellanox ConnectX-3 Chipset,Dual-SFP+ Ports PCI Express Ethernet Adapter Support Windows Server/Linux/VMware
- Temperature: 0°C ~ 55°C
- Humidity: 5 % ~ 95 % (Non-condensing)
- Class: 10G, PCIE
- Model #: LREC6822XF-2SFP+
- $109.99 –
- $30.00 Shipping
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Vszerda Dual 2.5 Gigabit M.2 M+B Key Ethernet Network Expansion Card
Limited time offer, ends 04/02
- Brand: IO Crest
- Part Number: SI-MPE24078
- Speed: 2500 megabits_per_second
- Interface: ethernet
- Model #: SI-MPE24078
- $88.99 –
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SIIG Dual-Port Gigabit Ethernet PCIe 4-Lane Card - I350-T2
- Model #: 9435761179763
- $195.99 –
- $5.99 Shipping
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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
- $182.99
- $169.99 –
- Save: 7%
- More options from $169.99 - $193.46
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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
- $38.49 –
- More options from $37.49 - $118.00
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- Weight: 0.1600
- Model #: E810XXVDA2BLK
- $499.00
- $240.34 –
- Save: 51%
- More options from $240.34 - $701.19
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- Connectors: RJ-45 x4
- Wake On LAN: Yes
- Parts: Limited Lifetime
- Labor: Limited Lifetime
- Model #: G-I340-T4
- $129.99 –
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- Standards: IEEE 802.3z, 802.3x, Dynamic 802.3ad, 802.3p, 802.1Q
- Connectors: 10/100/1000Base-T
- LEDs: Link, Activity
- Drivers: Windows (32-64 bit), Linux (32-64 bit), VMware, MS-DOS, Oracle Solaris
- Model #: G218C
- $29.99 –
- More options from $29.99 - $64.01
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Syba SD-PEX24009 Gigabit LAN Network NIC PCIe x1 Card Black
- Model #: 6904511266
- $39.00 –
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Weastlinks 10Gb Network Card B+M Key M.2 to RJ45 Gigabit Ethernet Network Adapter 10G/2.5G/1000M Internet NIC Lan Card Marvell AQC107 Chips
Limited time offer, ends 03/15
- Connectors: 1 x RJ45 Network
- Wake On LAN: Yes
- Class: 10G,Single RJ45
- Model #: WLNTWC336
- $138.18 –
- More options from $128.90 - $138.18
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- Brand: NVIDIA
- Part Number: 900-9D3B6-00CV-AA0
- Interface: PCI Express 5.0 x16
- Features: Data transmission rate: 2-Ports QSFP112 PCIe Support: PCIe Gen 5.0 x16
- Model #: 900-9D3B6-00CV-AA0
- $3,718.90 –
- More options from $3,718.90 - $6,175.00
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Mellanox ConnectX-3 Dual-Port QSFP+ 40GbE VPI NIC - PCIe 3.0 x8 for InfiniBand/Ethernet with Hardware Offload & RoCE Support
- Model #: C12Y-ZY958
- $128.00 –
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StarTech.com 2-Port 10Gbps USB-A & USB-C PCIe Card Adapter - USB 3.2 Gen 2 PCI Express Expansion Add-On Card - Windows, macOS, Linux
- Part Number: PEXUSB311AC3
- Dimensions: Height: 0.7" Width: 3.2" Length: 4.7"
- Weight: Weight (Approximate): 1.70 oz
- Package Contents: USB Adapter 1 x Low Profile Bracket 1 x Quick Start Guide
- Model #: PEXUSB311AC3
- $57.87 –
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StarTech.com 4-Port Gigabit Ethernet Network Card w/ Intel Chip, PCI Express, Intel I350 NIC - Quad Port PCIe
- Standards: IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX, IEEE 802.3ab 1000BASE-T IEEE 802.1Q VLAN Tagging IEEE 802.3x Full Duplex Flow Control
- Connectors: 4 x RJ45
- LEDs: 4 x 100/1000 Mbps Indicator 4 x Link / Activity
- Wake On LAN: Yes
- Model #: ST4000SPEXI
- $202.99 –
- More options from $25.09 - $257.00
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StarTech.com 10G Network Card, 2x 10G Open SFP+ Multimode LC Fiber Connector, Intel 82599 Chip
- Weight: 0.39
- Package Contents: 2-Port 10G Fiber Network Card with Open SFP+ - PCIe, Intel Chip 1 x Low-profile bracket 1 x Quick install guide
- Parts: 2 Year
- Model #: PEX20000SFPI
- $401.41 –
- More options from $25.09 - $471.40
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- Connectors: 2 x QSFP28
- Model #: E810CQDA2
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SIIG LB-WR0011-S1 PCI-Express Wireless 2T2R Dual Band WiFi Ethernet PCIe Card - AC1200
- Temperature: Operating temperature: 32 to 140 degrees F Storage temperature: -14 to 158 degrees F
- Humidity: 5% to 90% RH (non-condensing)
- Dimensions: 2.60" x 4.72" x 0.71"
- Weight: 0.10 lb.
- Model #: LB-WR0011-S1
- $40.99 –
- More options from $40.99 - $61.20
- $11.20 Shipping
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Micron MTA36ASF4G72PZ-3G2R1 Memory 32GB DDR4 3200MHz - MEM-DR432L-CL06-ER32
- Model #: WDN-Micron-MTA36ASF4G72PZ-3G2R1
- $459.99 –
- More options from $459.99 - $599.00
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Intel EXPI9301CT 10/100/1000Mbps PCI-Express Desktop Adapter Gigabit CT
- Connectors: 1 x RJ45
- Temperature: 0°C ~ 55°C
- Humidity: 90% non-condensing relative humidity at 35° C
- Dimensions: 4.70" x 4.73" x 2.18"
- Model #: EXPI9301CT
- $53.39 –
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- Part Number: EXPI9404PTL
- Model #: EXPI9404PTL-0
- $48.99 –
- More options from $48.99 - $64.50
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10Gtek 10/100/1000Mbps Network Adapter Card w/ Intel 82573 Gigabit Ethernet Controller
- Connectors: 1 x RJ45
- BUS: 32/64-bit PCI
- Class: 1000M, PCIE
- Model #: 82573-GE-1T-X1(1pcs)
- $28.99 –
- Free Shipping
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Mellanox MCX4111A-ACAT ConnectX-4 EN 25Gbe PCIe 3.0 1-Port SFP28 Adapter Card
- Part Number: MCX4111A-ACAT
- Parts: 30 Days
- Labor: 30 Days
- Model #: MCX4111A-ACAT-REF
- $54.20 –
- More options from $54.20 - $158.00
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Syba Single Port Gigabit Ethernet PCi-E X1 Intel I210 ChipSet
- Model #: SY-PEX24068
- $20.99 –
- More options from $20.99 - $50.52
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- Model #: 5N7Y5
- $40.00 –
- More options from $40.00 - $92.24
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- Model #: VRRH1
- $49.99 –
- More options from $19.99 - $49.99
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Synology Inc. E10G18-T1 10GB ENET ADAPTER 1 RJ45PORT
- Model #: SY#E10G18T1
- $164.47 –
- 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:
Mc
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)