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- Electrical Outlet Plug Type: 10Gigabit Ethernet Card
- Model #: E10G42BT
- $289.00 –
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EVGA NVIDIA GeForce GTX 1070 FTW2 DT GAMING 8GB GDDR5 DVI/HDMI/3DisplayPort PCI-Express Video Card w/ iCX - 9 Thermal Sensors & RGB LED G/P/M
- Model #: MLEV-1070F2D
- $335.00 –
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EMC EM3-One 4-port 8GB Fibre eSLIC 303-183-000B-01 110-183-000B-01 for VNXe3200
- Model #: 303-183-000B-01
- $803.98 –
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Silicom SNS 6x1Gb EVO Ethernet Expansion (iSCSI/NAS) ETH-6X1C PE2G6I-RoHS
- Model #: PE2G6I-RoHS
- $349.00 –
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- Part Number: CDC7W
- Parts: 30 Days
- Labor: 30 Days
- Model #: CDC7W
- $71.39 –
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- Model #: CX422A
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Refurbished SUN Intel Pro/1000 1000GT PCI-X Dual RJ45 Network Adapter D37245-002 371-0911-01
- Model #: 371-0911-01
- $83.99 –
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IBM Broadcom NetXtreme II ML2 Dual Port 10GbE SFP+ For IBM System x
- Features: Product Type:10Gigabit Ethernet Card Number of Total Expansion Slots:2 Number of SFP+ Slots:2
- Package Contents: Broadcom NetXtreme II ML2 Dual Port 10GbE SFP+ For IBM System x Support CD Safety Flyer 3U Bracket 2U Bracket
- Parts: 1 Year
- Model #: 00D2028
- $108.90 –
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IBM Emulex Dual Port 10 GbE SFP+ Embedded VFA III for IBM System x
- Standards: ANSI INCITS T11 FC-BB-5 2.0, FC-PI-2, FC-GS-4, FC-TAPE and FCP-3 PCI Express base spec 2.0, PCI Bus Power Management Interface, rev. 1.2 Advanced Error Reporting (AER) IEEE 802.3ae (10 Gb/s Ethernet) IEEE802.1q (VLAN), 802.1p (QoS/CoS) IEEE802.3ad (Link Aggregation) IEEE802.3x (Flow Control) IEEE802.1ab (Link Layer Discovery Protocol)
- Temperature: Operating temperature: 0 degree to 55 degreeC (32 degree to 131 degreeF) Storage temperature: -40 degree to 70 degreeC (-40 degree to 158 degreeF)
- Humidity: 5 % ~ 95 % (Non-condensing)
- Dimensions: 6.6" x 2.71"
- Model #: 90Y6456
- $104.50 –
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- Parts: 1 Year
- Model #: RNAB08LNJXQ4T
- $321.99 –
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IBM 10Gigabit Ethernet Card
- Parts: 1 Year
- Model #: 00D8540
- $64.90 –
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IBM 10 GbE Virtual Fabric Adapter III for IBM System x
- Parts: 1 Year
- Model #: 95Y3762
- $86.90 –
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IBM Flex System FC5052 2-Port 16Gb FC Adapter
- Model #: 95Y2386
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for X3550 M2 M3 Server SingleSlot PCI-E Riser Card Graphics Expansion Card PCI-e 16X Board 43V7066 43V6936 43W8880
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4-port Gigabit Server Network Card NC375I 491838-001 468001-001 For HP ML370G6 ML370 G6 Gen6 Network Control card
- Model #: cocoo-0016784
- $68.60 –
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IBM 46M6168 10Gbps PCI Express 2.0 x8 Broadcom 10 Gb Gen 2 2-port Ethernet Expansion Card (CFFh) for IBM BladeCenter
- Connectors: 2 x 10GBase-X
- Wake On LAN: Yes
- Temperature: Min Operating Temperature: 50 °F Max Operating Temperature: 95 °F
- Parts: 1 year limited
- Model #: 46M6168
- $64.90 –
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for pro 1000pt dual - port PCI - E Gigabit server network card 9402PT 82571
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Dual Port 10 Gigabit Fiber Optic Network Card for GEN9 GEN9 G8 G9 Server Adapter Card 40GB 544+ FLR QSFP 764285-B21
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PCI-1620 Rev.A1 PCI-1620 For Advantech 8-port RS-232 Communication Card 100% Tested Fast Ship
- Model #: CCOOC-0046703
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IBM 46M6049 8Gbps PCI Express x8 Brocade 815 Fibre Channel Host bus Adapter
- Connectors: 1 x LC
- Model #: 46M6049
- $75.90 –
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2.5Gbps Gigabit Ethernet Network Card Replacement Parts Gigabit Ethernet Adapter Accessories Support for Windows/Linux/ESXi/ROS
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Gigabit Ethernet for 82576GB E1G44ET PRO/1000ET 1GB PCIe Quad Port Ethernet Network Card HM9JY 0H092P Controller Card CN-0H092P
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- Weight: 0.8
- Model #: 4XC0F28740
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for Dell 0R887V Mellanox ConnectX-4 Lx Dual-Port 25GbE DA/SFP Optical Network Daughter Card 13gen 14gen Server CX4121C
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Dual-Port PCIe Gigabit Network Card 1000M PCI Express Ethernet Adapter with 82576 Two Ports LAN NIC Card
Limited time offer, ends 09/14
- Model #: ooc-0142339
- $42.89 –
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RTL8821AE Dual Frequency Network Card Bluetooth 4.0 M.2 NGFF 2230 Wireless Network Card Module
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IBM 42C2069 4.24 Gbps PCI-Express EMULEX LightPulse Fibre Channel Host Bus Adapter
- Weight: 0.90 oz
- Parts: 1 year limited
- Labor: 1 year limited
- Model #: 42C2069
- $302.50 –
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PCIe Network 4 port 2.5G Card 10/100/1000M/2.5G RJ45 Realtek/RT8125B PCI-E LAN GIBABIT Ethernet Network Adapter Card
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Ethernet Card Lan Network Adapter 4-port 10M Ethernet Port Module for 2600 3600 Server Router Switch NM-4E Control
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Network Cards Network/Ethernet/Lan Adapter PCI-E Network Card Realtek RJ45 Internet Ethernet Gigabit 4 Port Network Card
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IBM 90Y3554 10Gbps PCI Express 3.0 x8 Flex System CN4054 10Gb Virtual Fabric Adapter (4-port)
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- $298.00 –
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82576EB PCI-E X1 Gigabit Server Network Card Dual-Port SFP Fiber Network Card E1G42EF Fiber Network Card
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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:
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)Brandon Y.
6/21/2023 11:48:57 AM
Works as advertised
“ -Works without dropping connection (unlike like my onboard intel wired network adapter). ”
TP-Link TX201 Interface Cards 2.5Gbps PCI-Express 1 x RJ45