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Limited time offer, ends 08/20
- Brand: Vszerda
- Part Number: N37472-3
- Standards: Ethernet
- Speed: 1000 megabits_per_second
- Model #: N3747J1
- $39.29 –
- Free Shipping

- $277.12 –
- Free Shipping

Limited time offer, ends 08/20
- Brand: Vszerda
- Part Number: N37472-3
- Standards: Ethernet
- Speed: 1000 megabits_per_second
- Model #: N3747L98
- $39.29 –
- Free Shipping

- Model #: P28787-B21
- $739.39 –
- Free Shipping
![BENFEI Ethernet Adapter 2 Pack, USB 3.0 to RJ45 1000Mbps Gigabit LAN Adapter Compatible for MacBook, Surface Pro, PC with Windows11/10/8/7, XP, Vista, Mac[Aluminium Shell&Nylon Cable] BENFEI Ethernet Adapter 2 Pack, USB 3.0 to RJ45 1000Mbps Gigabit LAN Adapter Compatible for MacBook, Surface Pro, PC with Windows11/10/8/7, XP, Vista, Mac[Aluminium Shell&Nylon Cable]](https://c1.neweggimages.com/productimage/nb300/AR12D2210240KGBA496.jpg)
- Type: Server
- Model #: 6492620057672ASDFA874855
- $49.12 –
- Free Shipping

- Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
- Connectors: 2 x RJ45
- Temperature: 0°C ~ 55°C
- Humidity: 0 % ~ 90 % (Non-condensing)
- Model #: 6925909301864
- $130.99 –
- $10.00 Shipping

- Weight: 20
- Parts: 1 Year
- Labor: 1 Year
- Model #: 700752-B21
- $277.12 –
- Free Shipping

- Electrical Outlet Plug Type: 10Gigabit Ethernet Card
- Model #: 684218-B21
- $71.01 –
- More options from $71.01 - $80.99
- Free Shipping

Limited time offer, ends 08/29
- Model #: DW-TXB068
- $17.40 –
- More options from $17.40 - $18.45
- Free Shipping

- $53.39 –
- Free Shipping

- Package Contents: FlexFabric 10Gb 2-port 536FLB Adapter Quick Install Card Product Warranty Statement
- Model #: 766490-B21
- $240.76 –
- Free Shipping

- $399.28 –
- Free Shipping

- Package Contents: FlexFabric 20Gb 2-Port 630FLB Adapter Quick Install Card Product Warranty Statement
- Parts: 1 Year
- Model #: 700065-B21
- $337.24 –
- Free Shipping

- Model #: 90Y3466
- $383.20 –
- More options from $379.75 - $384.00
- Free Shipping

- Package Contents: QLE8440-CU 10Gigabit Ethernet Card Standard-size Bracket
- Parts: 3 Year
- Model #: QLE8440-CU-CK
- $406.28 –
- More options from $406.28 - $410.00

- $253.18 –
- Free Shipping

Limited time offer, ends 08/20
- Brand: Vszerda
- Part Number: N44068
- Model #: FW987
- $124.29 –
- Free Shipping

- $210.98 –
- Free Shipping

- Model #: XXV710-DA1, XXV710-DA1+BB
- $70.00 –
- More options from $68.99 - $70.00
- Free Shipping

- $354.41 –
- Free Shipping

- Model #: XHJ89GYD
- $135.39 –
- Free Shipping

Limited time offer, ends 08/20
- Brand: Vszerda
- Part Number: N38207-32702
- Model #: HR6897
- $98.19 –
- Free Shipping

- $120.40 –
- Free Shipping

Limited time offer, ends 08/20
- Brand: Vszerda
- Part Number: N38207-32702
- Interface: solid_state_drive
- BUS: solid_state_drive
- Model #: F897W
- $55.29 –
- Free Shipping

- Model #: 516937-B21-NOB
- $51.01 –
- Free Shipping

- $54.00 –
- More options from $53.46
- Free Shipping

- $239.68 –
- Free Shipping

- $389.81 –
- Free Shipping

- Package Contents: QLE3442-SR 10Gigabit Ethernet Card Standard-size Bracket Low-Profile Bracket
- Parts: 3 Year
- Model #: QLE3442-SR-CK
- $546.00 –
- More options from $545.83
- Free Shipping

- Brand: AXIS
- Parts: 1
- Labor: 1
- Model #: I350T4-AX
- $283.63 –
- Free Shipping

- $36.01 –
- Free Shipping

Limited time offer, ends 08/20
- Brand: Vszerda
- Standards: IEEE 802.11ac
- Speed: 2400 megabits_per_second
- Connectors: IEEE 802.11ac
- Model #: HS5554
- $46.29 –
- 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.
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:
“ 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)“ -Works without dropping connection (unlike like my onboard intel wired network adapter). ”
TP-Link TX201 Interface Cards 2.5Gbps PCI-Express 1 x RJ45












