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Limited time offer, ends 08/20
- Brand: Vszerda
- Part Number: ASHATAgsvx4rd0cg
- Standards: Bluetooth
- Speed: 867 megabits_per_second
- Model #: ASH08
- $28.29 –
- Free Shipping

Limited time offer, ends 08/18
- Model #: G4R8E94G
- $28.39 –
- Free Shipping

Limited time offer, ends 08/18
- Model #: 4Y98TRJK
- $28.49 –
- Free Shipping

- Model #: DW-TXI181
- $28.69 –
- Free Shipping

- $28.71 –
- Free Shipping

- Model #: ZX-245
- $28.75 –
- Free Shipping

- Model #: ZX-247
- $28.75 –
- Free Shipping

- Model #: ZX-246
- $28.75 –
- Free Shipping

- Standards: IEEE 802.3, IEEE 802.3u USB 1.0, 1.1, and 2.0
- Connectors: 1 x RJ45
- BUS: USB2.0
- LEDs: 100/ACT, F/H(Full or Half Duplex) , 10/ACT
- Model #: USB200M
- $28.78 –
- Free Shipping

- Model #: MCX354A-TCBT
- $28.88 –
- More options from $28.88 - $32.01
- Free Shipping

- $28.88 –
- Free Shipping

- Model #: QLE3242-NC523SFP-hp-new1
- $28.88 –
- More options from $28.88 - $34.88
- Free Shipping

- Model #: 458491-001-hp-new
- $28.89 –
- More options from $28.89 - $37.88
- Free Shipping

Limited time offer, ends 08/01
- Model #: C75J*OYJ*G1*0723-162
- $28.92 –
- Free Shipping

Limited time offer, ends 08/01
- Model #: C75J*OYJ*G1*0716-556
- $28.96 –
- Free Shipping

Limited time offer, ends 08/01
- Model #: C75J*OYJ*G1*0717-164
- $28.96 –
- Free Shipping

Limited time offer, ends 08/01
- Model #: C75J*OYJ*G1*0717-23
- $28.96 –
- Free Shipping

- Model #: 593742-001-593715-001-NC523SFP-hp-refurb
- $28.96 –
- Free Shipping

- Model #: QLE2462-E-SP
- $28.96 –
- More options from $28.96 - $34.95
- Free Shipping

- Model #: 0671891013075
- $21.99 –
- $6.99 Shipping

- Model #: CWF-15
- $28.99 –
- Free Shipping

- Model #: DW-TXA014
- $28.99 –
- Free Shipping

- Brand: HP
- Part Number: PE25
- Connectors: 1 x RJ45
- Drivers: Installation Guide
- Model #: 657957082880
- $28.99 –
- Free Shipping

- Brand: HP
- Part Number: RTL8125-2.5G-1T-X1
- Connectors: 1 x RJ45
- Features: PCIe-X1, 100 megabits_per_second, ethernet, Desktop
- Model #: 095061764466
- $28.99 –
- Free Shipping

Limited time offer, ends 07/31
- Brand: IO Crest
- Part Number: SI-PEX24059
- Standards: IEEE 802.3
- Speed: 2.5 gigabits_per_second
- Model #: SI-PEX24059
- $28.99 –
- Free Shipping

Limited time offer, ends 07/31
- Brand: H!Fiber.com
- Standards: Ethernet
- Speed: 1000 megabits_per_second
- Connectors: Ethernet
- Model #: H42S1
- $28.99 –
- Free Shipping

Limited time offer, ends 08/18
- Model #: H9T8F49GH
- $28.99 –
- Free Shipping

Limited time offer, ends 08/03
- Model #: C10V-S49-16
- $28.99 –
- 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:
“ You need a 10G Network card on copper, just buy this ! ”
TP-Link 10Gbps PCIe Network Card (TX401) - PCIe to 10 Gigabit Ethernet Network Adapter, Supports Windows 10/8.1/8/7, Windows Servers 2019/2016/2012 R2, and Linux, Including a CAT6A Ethernet Cable“ Works without dropping connection (unlike like my onboard intel wired network adapter). ”
TP-Link TX201 Interface Cards 2.5Gbps PCI-Express 1 x RJ45


















