Your Browsing History
Featured Brands
Quick View
- $399.28 –
- Free Shipping
Quick View
X-MEDIA XM-NA3821 2-Port Dual 1000Mbps Gigabit PCI Express PCI-E Network Card
- Model #: XM-NA3821k0R
- $60.38 –
Quick View
- $85.49 –
- Free Shipping
Quick View
Dual-Port PCIe X4 Gigabit Network Card 1000M PCI Express Ethernet Adapter with Intel 82576 Two Ports LAN NIC Card for Support PXE SR-IOV for Windows/Windows Server/Linux/Freebsd/DOS with Low Profile
Limited time offer, ends 08/20
- Brand: Vszerda
- Speed: 1000 megabytes_per_second
- Features: Desktop
- Dimensions: 113.0 in x 69.0 in x 18.0 in
- Model #: S89578
- $58.29 –
- Free Shipping
Quick View
LR-LINK 1GB PCIE network card NIC Compatible for Intel I350, Dual Port Ethernet card,1G LAN Adapter Support Windows Server/Windows, Linux, Vmware Dual-Port Gigabit
- 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
Quick View
- $277.12 –
- Free Shipping
Quick View
Vszerda New 1 Port PCIe Network Card with Realtek RTL8111H Chip M.2 B-Key M-Key to RJ45 Ethernet 1000Mbps Adapter/Mini PCIE Gigabit Network Adapter Card 10/100/1000M (Mini PCIE Gigabit)
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
Quick View
X-MEDIA XM-NA4811 PCI-E 2.5Gbps Gigabit PCI Express PCIe Network Adapter Card
- Model #: XM-NA4811fli
- $45.98 –
Quick View
IBM 44W4475 1000Mbps PCI-Express Ethernet Expansion Card (CIOv) for IBM BladeCenter
- Wake On LAN: Yes
- Temperature: Min Operating Temperature: 50 °F Max Operating Temperature: 89.6 °F
- Humidity: 8% - 80%
- Parts: 1 year limited
- Model #: 44W4475
Quick View
Vszerda New 1 Port PCIe Network Card with Realtek RTL8111H Chip M.2 B-Key M-Key to RJ45 Ethernet 1000Mbps Adapter/Mini PCIE Gigabit Network Adapter Card 10/100/1000M (M.2 to RJ45)
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
Quick View
ATTO 25Gigabit Ethernet Card FFRMN322000
- Parts: 3 Year
- Model #: FFRMN322000
- $797.02 –
- More options from $749.44 - $895.00
- Free Shipping
Quick View
- $59.58 –
- More options from $59.58 - $106.25
- Free Shipping
Quick View
Vszerda PCIE Riser U.2 to PCI Express3.0 X4 X8 Expansion Card Adapter Interface Gen3 Transfer Card Hard Drive Computer Components Expansion for Server U.2 NVMe SSD (Pcie to U.2 Four-Disk)
Limited time offer, ends 08/20
- Brand: Vszerda
- Part Number: N44068
- Model #: FW987
- $124.29 –
- Free Shipping
Quick View
10Gb RJ45 PCI-E Network Card NIC, Compare to Intel X550-T1, with Intel X550-AT Chip, Single RJ45 Port, PCI Express 3.0 X4, Ethernet Converged Network Adapter Support Windows/Linux/VMware
- Type: PCI Express to Ethernet Port Card
- Model #: FASG01E98W6
- $350.00 –
- Free Shipping
Quick View
QLogic QLE8440-SR 10Gigabit Ethernet Card
- Package Contents: QLE8440-SR 10Gigabit Ethernet Card Standard-size Bracket Spare Low-profile Bracket
- Parts: 3 Year
- Model #: QLE8440-SR-CK
- $543.00 –
- More options from $542.86
- Free Shipping
Quick View
- Type: Other
- Model #: LPE12000-E
- $57.50 –
- Free Shipping
Quick View
QLogic QLE3442-SR 10Gigabit Ethernet Card
- 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
Quick View
- Model #: 516937-B21-NOB
- $51.01 –
- Free Shipping
Quick View
- Model #: XXV710-DA1, XXV710-DA1+BB
- $70.00 –
- More options from $68.99 - $70.00
- Free Shipping
Quick View
Silicom PE2G6I35-CX 6-Port 1GBase-T Gigabit PCI-e 2.0 x8 Ethernet Server Adapter
- Parts: 1 Year
- Labor: 1 Year
- Model #: BEPE2G6I35-CX
- $425.00 –
- Free Shipping
Quick View
Silicom PE2G4SFPI35L V:1.2 Quad Port 1Gb SFP PCIe Server Adapter
- Model #: BEPE2G4SFPI35L
- $259.99 –
- Free Shipping
Quick View
- $54.00 –
- More options from $53.46
- Free Shipping
Quick View
Mellanox MCX4421A-ACQN Dual Port - 25Gbps SFP28 OCP 2.0 Type1 Ethernet PCA CL ETH 25G 2P LX NC-SI OCP
- Model #: BEMCX4421A-ACQN
- $199.99 –
- Free Shipping
Quick View
- $36.01 –
- Free Shipping
Quick View
Vszerda iHyper-Pro M.2 X16 to 4X PCIE 4.0 GEN4 Expansion Card Supports NVMe M.2 m Key 2280 up to 32Gbps for VROC NVMe Raid (iHyper-Pro)
Limited time offer, ends 08/20
- Brand: Vszerda
- Part Number: N38207-32702
- Model #: HR6897
- $98.19 –
- Free Shipping
Quick View
Vszerda iHyper-Pro M.2 X16 to 4X PCIE 4.0 GEN4 Expansion Card Supports NVMe M.2 m Key 2280 up to 32Gbps for VROC NVMe Raid (iHyper)
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
Quick View
Vszerda USB 3.1 Gen 2 10 Gbps 4 Port Type-A PCI-e 3.0 x4 ASMedia ASM3142 Controller,SI-PEX20233
- Model #: XHJ89GYD
- $135.39 –
- Free Shipping
Quick View
- Package Contents: FlexFabric 20Gb 2-port 650FLB Adapter Quick Install Card Product Warranty Statement
- Model #: 700763-B21
- $489.59 –
- Free Shipping
Quick View
- $242.65 –
- Free Shipping
Quick View
- Connectors: 10/100/1000Base-T
- Model #: 412648-B21
- $38.54 –
- Free Shipping
Quick View
F/S SFN6322F Solarflare Dual-Port 10GbE SFP+ Server Network Card
- Model #: SFN6322F-BX
- $74.00 –
- 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:
J.L
9/20/2023 9:30:58 PM
Rock solid connection .... the magic of Aquantia Chip !
“ 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 CableBrandon 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