Your Browsing History
Featured Brands
Quick View
Mellanox ConnectX-4 Lx EN Network Adapter (MCX4121A-ACAT)
- Model #: 86907754121
- $96.39 –
- More options from $96.39 - $210.00
- Free Shipping
Quick View
High Point Highpoint RocketRAID 2720A 8-6GB/s SAS Port Raid HBA
Limited time offer, ends 08/15
- Model #: 69089112240
- $195.99 –
- More options from $195.99 - $298.00
- Free Shipping
Quick View
HBA 9500-16i Tri-Mode Storage Controller SATA 6Gb/s/SAS 12Gb/s Storage Controller
- Model #: 69089112191
- $599.00 –
- Free Shipping
Quick View
LR-LINK 25gb PCIe Nerwork card NIC Compatible for Mellanox MCX4121A,Dual SFP+ Port Ethernet card,25G LAN Adapter Support Windows Server/Windows, Linux, Vmware
- Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab, IEEE802.3x
- Connectors: 2 x SFP28
- Temperature: 0°C ~ 50°C
- Humidity: 0 % ~ 90 % (Non-condensing)
- Model #: 6925909303820
- $95.90 –
- $10.00 Shipping
Quick View
Mellanox Technologies MCX516A-GCAT Network Adapter - PCIe 3.0 x16-50 Gigabit QSFP28 x 2
Limited time offer, ends 08/15
- Model #: 86907754195
- $582.18 –
- More options from $582.17 - $698.39
- Free Shipping
Quick View
Mellanox ConnectX-4 MCX4111A-ACAT 25Gigabit Ethernet Card
- Model #: 86907754117
- $65.79 –
- More options from $64.99 - $199.90
- Free Shipping
Quick View
Mellanox Technologies MCX516A-BDAT ConnectX-5 EN - Network Adapter - PCIe 4.0 x16 Low Profile - 40 Gigabit QSFP28 x 2
- Model #: 86907754201
- $695.87 –
- More options from $695.67 - $777.40
- Free Shipping
Quick View
LR-LINK High performance PCIe Network Card, Dual-port 100G QSFP28 Ethernet Network Adapter Intel E810 Chip Based,100Gb LAN Adapter Support Windows Server/Windows, Linux, Vmware
- Connectors: 2*QSFP28
- Class: PCI Express
- Model #: LRES1014PF-2QSFP28
- $699.99 –
- $10.00 Shipping
Quick View
- Connectors: 2 x LC
- Package Contents: StorageWorks Dual Port Fibre Channel Host Bus Adapter 2 x SFP QuickStart Guide Read-me-First
- Parts: 1 year limited
- Labor: 1 year limited
- Model #: AJ763A
- $448.00 –
- Free Shipping
Quick View
- Brand: HP
- Part Number: 436M8AA
- Model #: 436M8AA
- $547.00 –
- More options from $547.00 - $823.70
- Free Shipping
Quick View
10Gb Network Card with Broadcom BCM57810S Chip,Dual-SFP+ Ports PCI Express Ethernet Adapter Support Windows Server/Linux/VMware
- Connectors: 2 x SFP+
- BUS: x8 PCI Express 2.0 (5.0GT/s)
- Temperature: 0°C ~ 55°C
- Humidity: 5 % ~ 95 % (Non-condensing)
- Model #: LREC9812AF-2SFP+
- $109.90 –
- $10.00 Shipping
Quick View
Mellanox ConnectX-4 Lx EN Network Adapter (MCX4121A-XCAT)
- Model #: CB019MRAM72
- $98.96 –
- More options from $97.76 - $229.00
- Free Shipping
Quick View
- Standards: IEEE802.3ab
- Connectors: 4 x RJ45
- BUS: 32/64-bit PCI/PCI-X
- On-board Memory: 256 KB
- Model #: PWLA8494GT
- $203.25 –
- More options from $117.00 - $203.25
- Free Shipping
Quick View
LR-LINK 2206PT Mini PCIe Single Port Gigabit Copper Ethernet Server Adapter (Intel I210 Based)
- Standards: IEEE 802.3az
- Connectors: 1 x RJ45
- BUS: Mini PCIe
- Drivers: Included
- Model #: LRES2206PT
- $59.99 –
- $10.00 Shipping
Quick View
- $115.89 –
- More options from $115.89 - $119.00
- Free Shipping
Quick View
10Gb PCI-E NIC Network Card for Intel X550-T2, Dual RJ45 Port, with Intel Intel X550 Controller, 10G PCI Express LAN Adapter Support Windows Server/Linux/VMware
- Standards: IEEE 802.3az
- Connectors: 2 x RJ45
- BUS: PCIe v2.1 (8.0GT/s) x8
- Drivers: Included
- Model #: LRES1025PT
- $259.90 –
- $10.00 Shipping
Quick View
LR-LINK 2217PT Mini PCIe Duad-port Gigabit Ethernet Network Adapter (Intel I350 Chip Based)
- Standards: IEEE 802.3az
- Connectors: 2 x RJ45
- Temperature: 0°C ~ 55°C
- Humidity: 0 % ~ 90 % (Non-condensing)
- Model #: LRES2217PT
- $109.99 –
- $10.00 Shipping
Quick View
PCI Express x4 Qaud Port Gigabit SFP Ethernet Server Adapter (Intel I350 Based)
- Connectors: 4 x SFP
- LEDs: Green Link(Link Indicator) + Yellow Blink(Ack Indicator)
- Temperature: 0°C ~ 55°C
- Humidity: 5 % ~ 95 % (Non-condensing)
- Model #: LREC9714HF-4SFP
- $159.90 –
- $10.00 Shipping
Quick View
- Model #: 817753-B21
- $759.20 –
- More options from $128.70 - $799.99
- Free Shipping
Quick View
- Brand: NVIDIA
- Part Number: 900-9D3B4-00CV-EA0
- Model #: 900-9D3B4-00CV-EA0
- $4,375.99 –
- More options from $4,129.99 - $6,506.90
- Free Shipping
Quick View
Mini PCIe Single Port Copper Gigabit Ethernet Network Adapter Intel 82574 Based
- Connectors: 1 x RJ45
- Temperature: 0°C ~ 55°C
- Humidity: 5 % ~ 95 % (Non-condensing)
- Class: 1000M, PCIE
- Model #: LRES2201PT
- $40.90 –
- $10.00 Shipping
Quick View
Gigabit PCIe NIC with Intel 82574L Chip, 1Gb Network Card Compare to Intel EXPI9301CT/ EXPI9301CTBLK NIC, Single RJ45 Port, PCI Express X1, Ethernet Card for Windows/Windows Server/Linux
- Connectors: 1 x RJ45
- Wake On LAN: Yes
- Temperature: 0°C ~ 55°C
- Humidity: 5 % ~ 95 % (Non-condensing)
- Model #: LREC9201CT
- $28.90 –
- $10.00 Shipping
Quick View
LR-LINK 2212PF-SFP M.2A+E Key Single Port Gigabit SFP Ethernet Network Adapter (Intel l210 Based)
- Standards: IEEE 802.3az
- Connectors: 1 x SFP
- BUS: M.2 A+E key
- Temperature: 0°C ~ 55°C
- Model #: LRES2212PF-SFP
- $79.99 –
- $10.00 Shipping
Quick View
LR-LINK PCI Express x1 Gigabit single port Fiber Ethernet Desktop Adapter on Intel I210 chipset
- Connectors: 1 x SFP
- BUS: PCI Express x1 compliant
- LEDs: Link, Activity
- Wake On LAN: Yes
- Model #: LREC6230PF-SFP
- $93.50 –
- $10.00 Shipping
Quick View
LR-LINK 9030PF-SFP 100Mbps Network Card PCIex1 Single-port Fiber NIC (Intel 82574 Based)
- Connectors: 1 x SFP
- Temperature: 0°C ~ 55°C
- Humidity: 0 % ~ 90 % (Non-condensing)
- Model #: LREC9030PF-SFP
- $79.99 –
- $10.00 Shipping
Quick View
LR-LINK Intel X550 PCIe X4 10Gbps Dual Port Server Adapter 2 x RJ45, Compatible with Intel X550-T2
- Connectors: 2 x RJ45
- LEDs: Link, Activity
- Temperature: 0°C ~ 55°C
- Humidity: 5 % ~ 95 % (Non-condensing)
- Model #: LREC9812BT
- $259.00 –
- $10.00 Shipping
Quick View
PCI Express x4 Dual Port Copper Gigabit Ethernet Server Adapter (Intel 82576 Based)
- Connectors: 2 x RJ45
- BUS: PCIe x4
- LEDs: Link, Activity
- Wake On LAN: Yes
- Model #: LREC9702ET
- $70.28 –
- $10.00 Shipping
Quick View
LR-LINK 9712HT PCI Express x4 Dual Copper Port Gigabit Server Adapter (Intel I350AM2 Based)
- Standards: IEEE802.3
- Connectors: 2 x RJ45
- Temperature: 0°C ~ 55°C
- Humidity: 0 % ~ 90 % (Non-condensing)
- Model #: LREC9712HT
- $129.99 –
- $10.00 Shipping
Quick View
LR-LINK 9812BF-2SFP+ 10Gb PCI-E NIC Network Card, Dual SFP+ Port, PCI Express Ethernet LAN Adapter Support Windows Server/Linux/VMware, Compare to Intel X710- BM2
- Standards: IEEE 802.3
- Connectors: 2 x SFP+
- Temperature: 0°C ~ 55°C
- Humidity: 0 % ~ 90 % (Non-condensing)
- Model #: LREC9812BF-2SFP+
- $259.90 –
- $10.00 Shipping
Quick View
- Brand: Intel
- Model: X540T2
- Part Number: X540-T2
- Speed: 100Mbps/1Gbps/10Gbps
- Model #: X540T2 -
- $141.24 –
- Free Shipping
Quick View
LR-LINK 9714HT PCIe x4 Quad-port Gigabit Copper Ethernet Network Adapter ( Intel I350 Based)
- Standards: IEEE 802.3az
- Connectors: 4 x RJ45
- BUS: PCIe v2.1 x4
- Drivers: Incluede
- Model #: LREC9714HT
- $159.99 –
- $10.00 Shipping
Quick View
LR-LINK LREC9252PF-2SFP PCIe x1 2-port Gigabit Fiber Desktop Network Adapter Card
- Standards: IEEE 802.1q
- Connectors: 2 x SFP
- BUS: PCIe x1
- LEDs: off = No Link;on = Link; Blinking = Activity
- Model #: LREC9252PF-2SFP
- $152.50 –
- $10.00 Shipping
Quick View
LINKSYS USB200M 10/100Mbps USB Compact USB 2.0 10/100 Network Adapter
- 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
Quick View
- Connectors: 4 x RJ45
- Model #: 540-BBVB
- $398.66 –
- More options from $393.67 - $398.66
- Free Shipping
Quick View
- $528.73 –
- More options from $407.86 - $722.11
- 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:
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)