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IBM NetXtreme 1000 T + Dual Port Server Adapter
- Connectors: 2 x RJ45
- Model #: 39Y6093
- $269.00 –
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- More options from $99.00 - $256.86
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- Standards: 802.3, 802.3u, 802.3ab, 802.3ad, 802.3x, 802.1p/Q
- Connectors: 4 x RJ45
- BUS: 32/64-bit PCI 2.2/PCI-X
- Drivers: Microsoft Windows Server 2003/2000, WinXP 32/64bit,WinNT 4.0, Linux 2.4.x(32/64bit), FreeBSD 4.x, Novell NetWare 4.11/4.2/5.0/5.1/6.0, SunSoft Solaris 7/8, UnixWare 7.x, OpenUNIX 8(ddi8), SCO5
- Model #: PWLA8494MT
- $117.00 –
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HPE Ethernet 1Gb 4-port BASE-T I350-T4 OCP3 Adapter P08449B21
- Model #: P08449B21
- $756.28 –
- More options from $303.99 - $756.28
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StarTech.com 1-Port 2.5Gbps PCI Express PoE Network Card, Intel I225-V, PCIe 802.3af/at PoE+ Multi-Gigabit NIC, SATA Powered Ethernet Card
- Model #: PR12GIPNETWORKCARD
- $116.84
- $113.00 –
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- Model #: MCX713106AS-CEAT
- $2,591.90 –
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Intel EXPI9400PT 10/100/1000Mbps PCI-Express Gigabit Copper Connection for Servers
- Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab, IEEE802.3x
- Connectors: 1 x RJ45
- BUS: PCI Express 1.0a
- LEDs: 2 (1/port, link and speed) solid and blinking
- Model #: EXPI9400PT
- $45.00 –
- More options from $45.00 - $112.81
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StarTech.com 10G Network Card - NBASE-T - RJ45 Port - Intel X550 chipset - Ethernet Card - Network Adapter - Intel NIC Card
- Connectors: 1 x RJ45
- LEDs: 1 x Link/Activity 1 x 10G/1G Speed
- Temperature: Operating Temperature 5 to 50 degree C (41 to 122 degree F) Storage Temperature -20 to 60 degree C (-4 to 140 degree F)
- Humidity: 20~80%
- Model #: ST10000SPEXI
- $403.25 –
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C&N 10G RJ45 Ethernet Network Card with Intel X550 Controller, PCIE 3.0 X4 Interface, Support Windows 11/10/Windows Server/Linux/ESX/VMware ESXi(Not Support Mac OS)
- Brand: C&N
- Standards: Ethernet
- Speed: 10 gigabits_per_second
- Connectors: Ethernet
- Model #: ST7381-X550
- $99.00 –
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C&N Dual-Port PCIe X4 Gigabit Network Card with Intel 82576 Ethernet Adapter - PXE and SR-IOV Support for Linux and Windows Server Compatibility
- Speed: 1000 megabytes_per_second
- Wake On LAN: Yes
- Features: Desktop
- Dimensions: 113.0 in x 69.0 in x 18.0 in
- Model #: JL82576EB
- $39.99 –
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C&N 10Gb Open SFP+ PCI-e Network Card, with Intel 82599(X520-DA1) Controller, 10Gbps Ethernet Adapter, 10Gbe 10G NIC Card, Support Windows/Windows Server/VMware/Remote Wake-Up/PXE/UEFI
- Part Number: TXA309
- Standards: Fast Ethernet
- Connectors: Fast Ethernet
- Features: Desktop
- Model #: TXA309
- $39.99 –
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Gigabit Ethernet PCI Express Network Card - 10/100/1000Mbps
PCIE Network Adapter, Network Card, Ethernet Card for PC, Compatible with WinXP/Vista/Win7/Linux
- Part Number: W003628840
- Dimensions: 6.69 x 5.12 x 1.18 Inches
- Parts: 1 Year
- Labor: 1 Year
- Model #: W003628840
- $12.99 –
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- Brand: NVIDIA
- Part Number: 900-9D3B6-00CV-AA0
- Interface: PCI Express 5.0 x16
- Features: Data transmission rate: 2-Ports QSFP112 PCIe Support: PCIe Gen 5.0 x16
- Model #: 900-9D3B6-00CV-AA0
- $3,718.90 –
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D-Link Express EtherNetwork Fast Ethernet PCI Network Adapter
- Weight: 0.46
- Package Contents: DFE-530TX+ Fast Ethernet PCI Adapter . Drivers & Manual on CD-ROM Installation Guide Wake-On-LAN Cable Standard & Low Profile Brackets
- Parts: Lifetime
- Labor: Lifetime
- Model #: DFE-530TX
- $29.00 –
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3com 3C996B-T 10/100/1000Mbps PCI Gigabit Server NIC
- Standards: 802.3, 802.3u, 802.3x, 802.1Q, 802.3ad, 802.3ab
- Connectors: 1 x RJ45
- BUS: 32-/64-bit, 33/66 MHz PCI; 32-/64-bit, 33/66/100/133 MHz PCI-X
- Drivers: Linux 2.2, 2.4; Windows XP, 2000, NT 4.0; Novell NetWare 6.x, 5.x, 4.2; UnixWare 7; OpenServer 5; Sun Solaris X86
- Model #: 3C996B-T
- $75.00 –
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Intel PWLA8492MT 10/100/1000Mbps PCI / PCI-X PRO/1000 MT Dual Port Server Adapter
- Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
- Connectors: 2 x RJ45
- On-board Memory: 128KB
- Wake On LAN: Yes
- Model #: PWLA8492MT
- $75.00 –
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10G PCI-E Network Card with 10Gbps RJ45 Ports, Marvel AQC113 Controller, 10Gb Ethernet Adapter Card Compatible with PCI Express X8, X16, Support Windows/Windows Server/Linux/VMware
- Brand: VIMIN
- Part Number: Network Card
- Standards: Ethernet
- Speed: 10 gigabits_per_second
- Model #: 222058986273
- $159.99 –
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com 10G Network Card - MM/SM - 1x Single 10G SPF+ Slot - Intel 82599 Chip - Gigabit Ethernet Card - Intel NIC Card (PEX10000SFPI)
- Model #: 5SgSD-B01KLGB56K
- $358.09 –
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Intel PWLA8390MT 10/100/1000Mbps PCI PRO/1000 MT Desktop Adapter
- Standards: 10BASE-T, 100BASE-TX, 1000BASE-T
- Connectors: 1 x RJ45
- BUS: 32-bit PCI 2.2
- Wake On LAN: Yes
- Model #: PWLA8390MT
- $55.00 –
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Mellanox ConnectX-4 Lx EN MCX4121A-ACUT - Network adapter - PCIe 3.0 x8 - 25 Gigabit SFP28 x 2
- Model #: MCX4121A-ACUT
- $287.50 –
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C&N 10G M.2 NVMeM Key) SFP+ PCIe X4 Netwrok Card with Intel 82599(X520-DA1) Controller,10gb RJ45 Ethernet NIC Industrial Adapter With SFF-8087 cable / Low profile Bracket Support PXE&UEFI
- Brand: ULANSeN
- Speed: 10 gigabits_per_second
- Features: Desktop
- Parts: 1year
- Model #: ST7331-X520
- $59.99 –
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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 RJ45Mc
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)Brandon 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