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Broadcom P210TP Dual-Port 10GBASE-T Ethernet PCI Express Network Interface Card; RoHS-compliant | BCM957416A4160C
- Brand: Broadcom
- Part Number: BCM957416A4160C
- Speed: 10/1GbE
- Connectors: RJ45
- Model #: BCM957416A4160C
- $314.69 –
- More options from $199.00 - $629.72
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StarTech.com Dual Port 40G QSFP+ Network Card - Intel XL710 Open QSFP+ Converged Adapter PCIe 40 Gigabit Fiber Ethernet Server 40GbE NIC
- Part Number: PEX40GQSFDPI
- Dimensions: Height: 0.8" Width: 4.8" Depth: 7.1"
- Weight: Weight (Approximate): 4.50 oz
- Model #: PEX40GQSFDPI
- $455.99 –
- More options from $455.99 - $661.63
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StarTech.com USB 3.0 to Gigabit Network Adapter with Built-In 2-Port USB Hub - Native Driver Support (Windows, Mac and Chrome OS)
- Standards: IEEE 802.3 10BASE-T, IEEE 802.3ab 1000BASE-T, IEEE 802.3u 100BASE-TX and IEEE 802.3X Full Duplex
- Connectors: 1 - USB 3.0 A (9 pin; SuperSpeed) Male 1 - RJ-45 Female 2 - USB 3.0 A (9 pin; SuperSpeed) Female
- Temperature: Operating Temperature:0 degree C to 70 degree C (32 degree F to 158 degree F) Storage Temperature: -10 degree C to 55 degree C (14 degree F to 131 degree F)
- Humidity: 40% ~ 50%
- Model #: USB31000S2H
- $52.99
- $47.99 –
- Save: 9%
- More options from $47.99 - $53.36
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SIIG DP Gigabit Ethernet PCIe
- Weight: 0.2
- Package Contents: DP Gigabit Ethernet PCIe Spare Enhanced Low Profile Bracket Driver CD User's Manual
- Parts: 5 Year
- Model #: CN-GP1021-S3
- $32.69 –
- More options from $32.69 - $57.81
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Broadcom BCM5719-4P Quad-port Gigabit Ethernet x4 PCI Express OCP 3.0 Small-Form-Factor Card, Pull Tab Faceplate | BCM95719N1905C
- Connectors: 4 x RJ45
- Model #: BCM95719N1905C
- $218.99 –
- More options from $172.99 - $245.48
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Intel X540T2 100Mbps/1Gbps/10Gbps PCI Express 2.1 x8 Ethernet Converged Network Adapter
- Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
- Connectors: 2 x RJ45
- Weight: 20
- Parts: Lifetime
- Model #: X540T2
- $76.99 –
- More options from $61.99 - $350.48
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StarTech.com 4-Port PCI Express Gigabit Network Adapter Card, Quad-Port PCIe Gigabit NIC
- Standards: Compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
- Connectors: 1 - PCI Express x4 Male
- Temperature: Operating Temperature: 0 degree C to 55 degree C (32 degree F to 131 degree F) Storage Temperature: -40 degree C to 75 degree C (-40 degree F to 167 degree F)
- Humidity: 5 % ~ 95 % (Non-condensing)
- Model #: ST1000SPEX43
- $183.99
- $169.99 –
- Save: 7%
- More options from $166.94 - $179.08
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StarTech.com 4-Port Gigabit Ethernet Network Card w/ Intel Chip, PCI Express, Intel I350 NIC - Quad Port PCIe
- Standards: IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX, IEEE 802.3ab 1000BASE-T IEEE 802.1Q VLAN Tagging IEEE 802.3x Full Duplex Flow Control
- Connectors: 4 x RJ45
- LEDs: 4 x 100/1000 Mbps Indicator 4 x Link / Activity
- Wake On LAN: Yes
- Model #: ST4000SPEXI
- $206.99 –
- More options from $25.09 - $257.00
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StarTech.com USB 3.0 to Gigabit Ethernet NIC Network Adapter
- Standards: IEEE802.3i, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3az, IEEE 802.1q VLAN tagging
- Connectors: 1 x RJ45
- LEDs: Activity (Yellow) Link (Green)
- Temperature: Operating Temperature: 0°C to 40°C (32°F to 104°F) Storage Temperature: -20°C to 60°C (-4°F to 140°F)
- Model #: USB31000S
- $34.99 –
- More options from $34.99 - $39.73
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StarTech.com PEX40GQSFPI QSFP+ Server Network Card - PCIe 40Gbps - Converged Fiber NIC Adapter - Intel XL710 Chip (PEX40GQSFPI)
- Type: QSFP+ Server Network Card
- External Ports: 1 - QSFP+ Female
- Internal Ports: 1 - PCI Express x8 Male
- Standard: IEEE 802.3ba 40GBASE-SR4 IEEE 802.3ba 40GBASE-LR4 PCI Express Rev 3.0, using PCIe x8 (or higher) slot
- Model #: PEX40GQSFPI
- $405.99 –
- More options from $42.91 - $529.43
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StarTech.com USB-C to Ethernet Gigabit Adapter - Thunderbolt 3 Compatible - USB Type C Network Adapter - USB C Ethernet Adapter
- Connectors: 1 x RJ45
- LEDs: 1 x 1 - 10/100 Link/Activity (Green) 1 x Gigabit Link/Activity (Amber)
- Temperature: 0°C ~ 50°C
- Humidity: 5% ~ 80% RH
- Model #: US1GC301AU
- $49.99 –
- More options from $49.99 - $56.85
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StarTech ST3300U3S USB 3.0 to Gigabit Ethernet NIC Network Adapter with 3 Port Hub - White
- Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3az USB 3.0 rev. 1.0
- Connectors: 1 x RJ45
- LEDs: 1 - Blue - Power 1 - Green - Network Link (solid) / Activity (flashing)
- Wake On LAN: Yes
- Model #: ST3300U3S
- $60.99 –
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- Brand: NVIDIA
- Speed: 100Gbps
- Connectors: 2 x QSFP56
- Interface: PCIe 4.0 x16
- Model #: MCX623106AN-CDAT
- $1,187.20
- $1,082.65 –
- Save: 8%
- More options from $1,082.65 - $1,332.00
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Intel Dual Ports 1GbE Ethernet Server Adapter I350-T2 | I350T2V2BLK
- Brand: Intel
- Part Number: I350T2V2BLK
- Standards: EEE 802.3 (10BASE-T, 100BASE-TX, 1000BASE-T)
- Speed: 10/100/1000Mbps
- Model #: I350T2V2BLK
- $116.87
- $108.99 –
- Save: 6%
- More options from $94.18 - $246.81
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StarTech.com PCI Express Gigabit Ethernet Fiber Network Card w/ Open SFP - PCIe SFP Network Card Adapter NIC
- Weight: 0.45
- Package Contents: 1 Port PCI Express Gigabit SFP Network Card 1 x Low Profile Bracket 1 x Driver CD 1 x Instruction Manual
- Parts: 2 Year
- Labor: 2 Year
- Model #: PEX1000SFP2
- $206.00 –
- More options from $199.87 - $235.87
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Allied Telesis AT-2711FX/ST-901 100Mbps PCI-Express Network adapter
- Connectors: 1 x ST
- BUS: 32-bit PCI
- Weight: 20
- Parts: Lifetime limited
- Model #: AT-2711FX/ST-901
- $209.00
- $179.99 –
- Save: 13%
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- Part Number: 4X90S91830
- Features: Product Type:Gigabit Ethernet Card
- Weight: 0.08
- Model #: 4X90S91830
- $27.99 –
- More options from $27.86 - $92.99
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ATTO FFRM-N322-DA0 25Gigabit Ethernet Card
- Model #: FFRM-N322-DA0
- $706.99 –
- More options from $706.99 - $820.05
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Broadcom N1400GD Single-Port 400 Gb/s QSFP-DD PCI Express 5.0 x16 OCP 3.0 Ethernet Network Interface Card | BCM957608-N1400GDP00
- Brand: Broadcom
- Part Number: BCM957608-N1400GDP00
- Speed: 400/200/100/50/25G
- Connectors: 1 x QSFP-DD 112
- Model #: BCM957608-N1400GDP00
- $1,995.99 –
- More options from $1,900.00 - $2,088.00
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StarTech.com 10G Network Card, 2x 10G Open SFP+ Multimode LC Fiber Connector, Intel 82599 Chip
- Weight: 0.39
- Package Contents: 2-Port 10G Fiber Network Card with Open SFP+ - PCIe, Intel Chip 1 x Low-profile bracket 1 x Quick install guide
- Parts: 2 Year
- Model #: PEX20000SFPI
- $414.09
- $404.23 –
- More options from $25.09 - $471.40
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StarTech US1GC30A USB-C to Gigabit Ethernet Adapter - Aluminum - Thunderbolt 3 Port Compatible - USB Type C Network Adapter
- Standards: IEEE 802.3, 802.3u and 802.3ab
- Connectors: 1 x RJ45
- Parts: Manufacturers Limited Warranty: 2 Year / Parts Only
- Model #: US1GC30A
- $39.99 –
- More options from $39.99 - $48.74
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Allied Telesis AT-2911SX Gigabit Ethernet Card
- Weight: 0.2
- Model #: AT-2911SX/LC-901
- $299.52 –
- More options from $149.99 - $698.13
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Broadcom Single-Port 100 Gb/s Ethernet PCI Express v3.0 x16 OCP 2.0 Mezzanine Card | BCM957504-M1100G16
- Brand: Broadcom
- Part Number: BCM957504-M1100G16
- Speed: 100Gbps
- Connectors: Single-Port
- Model #: BCM957504-M1100G16
- $264.99 –
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SIIG LB-GE0811-S1 1 Gbps PCI Express 2.1 (5.0 GT/s) 4-Port Gigabit Ethernet with PoE PCIe Card - Intel 350
- Connectors: 4 x RJ45
- Temperature: Operating temperature: 41 to 122 °F Storage temperature: -13 to 158 °F
- Humidity: 20% to 80% RH (non-condensing)
- Model #: LB-GE0811-S1
- $257.03 –
- More options from $253.99 - $317.52
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StarTech.com AC600 Wireless-AC Network Adapter - 802.11ac, PCI Express - Dual Band 2.4GHz and 5GHz Wireless Network Card
- Part Number: PEX433WAC11
- Dimensions: Height: 0.9" Width: 3.8" Depth: 4.8"
- Weight: Weight (Approximate): 1.70 oz
- Package Contents: AC600 Wireless-AC Network Adapter - 802.11ac, PCI Express Driver CD Low Profile Bracket Quick Start Guide
- Model #: PEX433WAC11
- $60.99
- $56.99 –
- Save: 6%
- More options from $26.74 - $71.00
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StarTech.com USB-C to Ethernet Adapter with 3-Port USB 3.0 Hub and Power Delivery - USB-C GbE Network Adapter + USB Hub w/ 3 USB-A Ports
- Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab USB 3.0 - Backward compatible with USB 2.0 and 1.1 IEEE 802.3az Energy-Efficient Ethernet, IEEE 802.3x Flow Control, 802.1q VLAN Tagging, 802.1p Layer 2 Priority Encoding
- Connectors: 1 x RJ45
- Temperature: Operating Temperature: 0 ~ 45 degree Celsius (32 ~ 113 degree Fahrenheit) Storage Temperature: -10 ~ 70 degree Celsius (14 ~ 158 degree Fahrenheit)
- Humidity: 10~90% RH (Non-condensing)
- Model #: US1GC303APD
- $71.99
- $57.99 –
- Save: 19%
- More options from $57.99 - $65.97
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Broadcom Single-Port 200 Gb/s QSFP56 Ethernet PCI Express 4.0 Single-Host x16 OCP 3.0 SFF Network Adapter | BCM957508-N1200G
- Brand: Broadcom
- Part Number: BCM957508-N1200G
- Speed: 200/100/50/40/25/10GbE
- Connectors: QSFP56
- Model #: BCM957508-N1200G
- $904.99 –
- Free Shipping
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Allied Telesis AT-2911SFP/2 Gigabit Ethernet Card
- Weight: 0.22
- Model #: AT-2911SFP/2-901
- $278.99
- $249.99 –
- Save: 10%
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SIIG LB-WR0011-S1 PCI-Express Wireless 2T2R Dual Band WiFi Ethernet PCIe Card - AC1200
- Temperature: Operating temperature: 32 to 140 degrees F Storage temperature: -14 to 158 degrees F
- Humidity: 5% to 90% RH (non-condensing)
- Dimensions: 2.60" x 4.72" x 0.71"
- Weight: 0.10 lb.
- Model #: LB-WR0011-S1
- $39.99 –
- More options from $39.99 - $55.73
- $11.20 Shipping
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- Brand: NVIDIA
- Part Number: 900-9X81E-00EX-DT0
- Model #: 900-9X81E-00EX-DT0
- $2,768.00
- $2,088.99 –
- Save: 24%
- More options from $2,088.99 - $2,281.26
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StarTech.com 4 Port Gigabit Power over Ethernet PCIe Network Card - PSE / PoE PCI Express NIC
- Weight: 0.8
- Package Contents: 4 Port Gigabit Power over Ethernet PCIe Network Card - PSE / PoE PCI Express NIC 1 x Driver CD 1 x Instruction Manual
- Model #: ST4000PEXPSE
- $323.99 –
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Broadcom Quad-Port 25 Gb/s Ethernet PCI Express 4.0 x16 OCP 3.0 Network Adapter, Halogen-Free | BCM957504-N425G
- Connectors: 4 x SFP28
- Model #: BCM957504-N425G
- $647.99 –
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StarTech.com 1 Port PCI Express Gigabit Ethernet Network Card - Intel I210 NIC - Single Port PCIe Network Adapter Card w/ Intel Chip
- Standards: IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX, IEEE 802.3ab 1000BASE-T IEEE 802.1Q VLAN Tagging IEEE 802.3x Full Duplex Flow Control
- Connectors: 1 x RJ-45 Female
- LEDs: 1 x 100/1000 Mbps Indicator 1 x Link / Activity
- Dimensions: 0.71" x 4.72" x 2.60"
- Model #: ST1000SPEXI
- $45.09
- $42.91 –
- More options from $25.09 - $46.93
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StarTech US1GC30DB USB C to Gigabit Ethernet Adapter - USB C Network Adapter
- Standards: IEEE 802.3, 802.3u and 802.3ab
- Connectors: 1 x RJ45
- BUS: USB 3.0
- LEDs: 1 x Power 1 x Activity
- Model #: US1GC30DB
- $27.99 –
- More options from $27.99 - $35.64
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#1 Best Seller
- Brand: TP-Link
- Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3bz, IEEE802.3an, IEEE802.3az, IEEE 802.3x
- Speed: 10Gbps
- Connectors: 1 x RJ45
- Model #: TX401
- $84.99 –
- More options from $69.99 - $318.00
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- Brand: NVIDIA
- Part Number: MCX753436MS-HEAB
- Speed: Data Rate InfiniBand: NDR200/HDR/HDR100/EDR/FDR/ SDR Ethernet: 200/100/50/25/10 Gb/s
- Interface: PCI Express Gen 5.0/4.0: SERDES @ 16/32GT/s, x16 lanes (4.0 and 3.0 compatible) Networking Port: Dual-Port QSFP112 InfiniBand and Ethernet
- Model #: MCX753436MS-HEAB
- $1,699.99 –
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Intel Ethernet Converged Network Adapter X550, Backward compatible 10GBASE-T network adapter | X550T2
- Brand: Intel
- Part Number: X550-T2
- Speed: Dual-port 100Mb/s: 3.9 W (Typical Power) 4.9 W (Maximum Power) Dual-port 1GbE 5.5 W (Typical Power) 6.4 W (Maximum Power) Dual-port 10GbE 11.2 W (Typical Power) 13.0 W (Maximum Power)
- Connectors: 2 x RJ45
- Model #: X550T2
- $118.41 –
- More options from $115.49 - $410.00
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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:
John H.
10/19/2025 1:27:45 PM
Works great, once SFP-vendor-unlocked
“ Great price for a 10G-capable adapter ”
Intel X520-SR2 Dual Ports 10 Gigabit Ethernet Converged Network Adapter, PCI Express 2.0 x8, Low ProfileAnonymous
5/15/2024 7:24:58 AM
Does it's job
“ Highly recommend this NIC card ”
Intel Ethernet Server Adapter I210, Single-port Gigabit Ethernet server adapter for entry-level servers and audio-video applications | I210T1JV
2/23/2023 6:27:30 PM
Really great PoE Nic Card.
“ The Intel 350 chipset is amazing and super reliable. ”
SIIG LB-GE0811-S1 4-Port Gigabit Ethernet with PoE PCIe Card - Intel 350 1 Gbps PCI Express 2.1 (5.0 GT/s) 4 x RJ45Mike
1/15/2023 7:36:16 AM
Works well in OPNsense firewall
“ Recommended. ”
QNAP QXG-2G4T-I225 Quad-Port 2.5 GbE Network Expansion Card