Your Browsing History
Featured Brands
Quick View
2.5Gbps Network Adapter Card Realtek RTL8125B Ghip PCIE Gigabit Ethernett Adapter Card 4 RJ45 Connectors
- Connectors: 4 x RJ45
- Windows Vista: Window 10
- Model #: 2#K0533
- $91.00 –
- Free Shipping
Quick View
MELLANOX MNPA19-XTR 10GB CONNECTX-2 PCIe X8 SFP+ NETWORK CARD w/ SFP CABLE
- Model #: BEC6ZYT103
- $69.99 –
- Free Shipping
Quick View
Realtek RTL8125B Ghip PCIE Gigabit Ethernett Adapter Card Upgraded 2.5Gbps Network Adapter Card 4 *RJ45 Connectors
- Connectors: 4 x RJ45
- Windows Vista: Works with Windows Vista
- Model #: rtl8125B
- $94.00 –
- Free Shipping
Quick View
Jabra PanaCast 50 Table Stand 1420770
- Model #: 1420770
- $95.81 –
- More options from $95.81 - $143.00
- $12.99 Shipping
Quick View
qnap storage controller - pcie 3.0 low profile - pcie 3.0 x8
- Parts: 1 Year
- Model #: RNAB07WG41TF5
- $224.88 –
- More options from $186.48 - $534.89
- Free Shipping
Quick View
4 Ports 2.5G Gigabit Network Card High-speed Stable Network Card Gaming Ethernet 4-port Gigabit Network Adapter Desktop ESXi Diskless PXE Boot
- Connectors: 4 x RJ45 Network
- Wake On LAN: Yes
- Class: Gigabit PCI-E
- Model #: LUB-00102
- $87.67 –
- More options from $87.67 - $89.17
- Free Shipping
Quick View
- $37.99 –
- Free Shipping
Quick View
Silverstone ECL01 2.5Gbps RJ45 Network Interface PCI Express Card
Limited time offer, ends 04/25
- Model #: ECL01
- $49.42 –
- More options from $49.42 - $59.11
- Free Shipping
Quick View
TRENDnet TEG-10GECTX 10 Gigabit PCIe Network Adapter
- Brand: TRENDnet
- Standards: IEEE 802.3ab IEEE 802.3bz 2.5GBASE-T IEEE 802.3an 10GBASE-T IEEE 802.1Q IEEE 802.3ad
- Speed: 10Gbps
- Connectors: 1 x RJ45
- Model #: TEG-10GECTX (v3.0R)
- $108.61 –
- More options from $84.99 - $173.11
- Free Shipping
Quick View
- $296.62 –
- More options from $277.62 - $296.62
- Free Shipping
Quick View
Emulex OneConnect OCE14101-NX 10Gigabit Ethernet Card
- Parts: 3 Year
- Model #: OCE14101-NX
- $275.95 –
- More options from $275.00
- Free Shipping
Quick View
- Brand: Intel
- Model: X540T2
- Part Number: X540-T2
- Standards: IEEE 802.3 – Original Ethernet standard (10 Mbps) IEEE 802.3u – Fast Ethernet (100 Mbps) IEEE 802.3ab – Gigabit Ethernet over copper (1000BASE-T) IEEE 802.3an – 10 Gigabit Ethernet over copper (10GBASE-T) IEEE 802.3x – Flow control (full-duplex) IEEE 802.3ad – Link aggregation / LACP (teaming multiple ports) IEEE 802.1Q – VLAN tagging IEEE 802.1p – Quality
- Model #: 2ee-307377000192848
Quick View
Edimax EU-4208 USB 2.0 to 10/100Mbps Fast Ethernet LAN Wired Network Adapter for Windows XP/ Vista / 7 / 8 / 8.1, Macbook Air, and Linux (ASIX AX88772B chipset)
- Standards: IEEE802.3, IEEE802.3u
- Connectors: 1 x RJ45
- Dimensions: 2.5" x 1" x 0.6" (66 x 22 x 15 mm)
- Weight: 25g
- Model #: EU-4208
- $107.67 –
- More options from $17.18 - $107.67
- Free Shipping
Quick View
3 ports USB 3.1Gen 1 Type-A and RJ45 Gigabit Ethernet network adapter
Limited time offer, ends 04/25
- Model #: EP04B
- $43.60 –
- More options from $43.60 - $53.60
- Free Shipping
Quick View
Silverstone ECM27 1-slot NVMe and 2-slot SATA M.2 SSD to PCI-E x4 adapter Card
Limited time offer, ends 04/25
- Model #: ECM27
- $50.58 –
- More options from $50.58 - $60.31
- Free Shipping
Quick View
PCI Express x1 Single Port 802.3at PoE+ Gigabit Vision Frame Grabber Card
- Connectors: 1 x RJ45
- Temperature: 0°C ~ 55°C
- Humidity: 5 % ~ 95 % (Non-condensing)
- Class: 1000M, PCIE
- Model #: LRES2001PT-POE
- $75.32 –
- $30.00 Shipping
Quick View
- Brand: IBM
- Part Number: 7ZT7A00484
- Standards: Ethernet
- Speed: 10000 megabits_per_second
- Model #: 7ZT7A00484
- $966.83 –
- More options from $239.99 - $966.83
- Free Shipping
Quick View
10Gb SFP+ PCI-E Network Card NIC, with Broadcom BCM57810S Chip, Dual SFP+ Port, PCI Express X8, Support Windows Server /Linux/VMware
- Model #: NFSDU99HH2
- $119.99 –
- Free Shipping
Quick View
LR-LINK 9222HT PCI Express x1 Dual Copper Port 10/100/1000Mbps Ethernet Network Card
- Standards: IEEE802.3
- Connectors: 2 x RJ45
- Temperature: 0°C ~ 55°C
- Humidity: 0 % ~ 90 % (Non-condensing)
- Model #: LREC9222HT
- $109.99 –
- $30.00 Shipping
Quick View
Solarflare Flareon Ultra SFN7322F 10Gigabit Ethernet Card
- Model #: SFN7322F
- $272.25 –
- More options from $272.00
- Free Shipping
Quick View
Silverstone ECM28 1 x NVMe & 1 x SATA M.2 SSD to PCIe x4 1U Adapter Card
Limited time offer, ends 04/25
- Model #: ECM28
- $37.79 –
- More options from $37.79 - $47.06
- Free Shipping
Quick View
IBM 42C1800 10Gigabit Ethernet Card
- Parts: 1 Year Limited
- Model #: 42C1800
- $20.00 –
- More options from $20.00 - $53.39
- Free Shipping
Quick View
- $292.56 –
- More options from $273.56 - $292.56
- Free Shipping
Quick View
QLogic QLE8442-CU 10Gigabit Ethernet Card
- Package Contents: QLE8442-CU 10Gigabit Ethernet Card Standard-size Bracket Spare Low-profile Bracket
- Parts: 3 Year
- Model #: QLE8442-CU-CK
- $445.00 –
- More options from $445.00 - $453.10
- Free Shipping
Quick View
2.5GBase-T PCIe Network Adapter with 1 Port 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support Windows Server/Windows/Linux RTL8152 Chipset Standard and Low-Profile Bracke
- Connectors: 1 x RJ45
- Wake On LAN: Yes
- Model #: PcieNetworkCard
- $34.70 –
- More options from $34.70 - $50.70
- Free Shipping
Quick View
PCI Express v3.0 x8 Quad Port SFP+ 10 Gigabit Server Adapter (Intel XL710-BM1Based)
- Connectors: 4 x SFP+
- Temperature: 0°C ~ 55°C
- Humidity: 5 % ~ 95 % (Non-condensing)
- Class: 10G, PCIE
- Model #: LREC9804BF-4SFP+
- $359.90 –
- $30.00 Shipping
Quick View
PCI Express Dual Port Copper Gigabit Ethernet Bypass Server Adapter(Intel I350AM2 based)
- Connectors: Dual Shielded RJ-45
- Temperature: 0°C ~ 45°C
- Humidity: 5 % ~ 95 % (Non-condensing)
- Class: 1000M, PCIE
- Model #: LREC9712HT-BP
- $188.30 –
- $30.00 Shipping
Quick View
40G QSFP+ Network Card Dual Port Intel XL710 Chip PCI-E 3.0 X8 40 Gigabit Ethernet Server NIC Compare to Intel XL710-QDA2
- Model #: BESKN-XL710-2QSFP+
- $629.00 –
- Free Shipping
Quick View
LR-LINK LRES2203PF-2SFP Mini PCIe 2-port Gigabit SFP Port Fiber Network Adapter Card
- Standards: IEEE 802.1q
- Connectors: 2 x SFP
- BUS: Mini PCIe
- LEDs: 1000Mbps: LINK:Yellow, ACTIVE:Green
- Model #: LRES2203PF-2SFP
- $110.00 –
- $30.00 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:
Anonymous
11/17/2025 9:14:36 AM
Excellent performance
“ Drivers can be found at: downloadcenter.intel.com Select "Active Products" => "Network Connectivity" => "Intel Desktop Adapters" => "Intel Pro/1000 GT adapter". ”
Intel EXPI9301CTBLK Network Adapter 10/100/1000Mbps PCI-Express 1 x RJ45