Get a $25 Newegg Promo Gift Card when you spend $250+ between 1/17/26 and 1/19/26. Learn More>
  • In Stock
  • Sold by Newegg
  • Make an Offer
  • New
Brands
Show More
Price
Show More
Thunderbolt 3
All Top Brands
Availability
Condition
Current Promotion
Discount
Sold by
Useful Links
Customer Ratings
Sort By:
View:
Plugable 2.5G USB C and USB to Ethernet Adapter, 2-in-1 Adapter Compatible with USB-C Thunderbolt 3 or USB 3.0, USB-C to RJ45 2.5 Gigabit LAN Ethernet, Compatible with Mac and Windows
Quick View
Plugable 2.5G USB C and USB to Ethernet Adapter, 2-in-1 Adapter Compatible with USB-C Thunderbolt 3 or USB 3.0, USB-C to RJ45 2.5 Gigabit LAN Ethernet, Compatible with Mac and Windows
  • Part Number: USBC-E2500
  • Type: USB C, USB 3.0, RJ45
  • Changer Type: USB C or USB 3.0 to Ethernet
  • Thunderbolt 3: Yes
  • Model #: USBC-E2500
Aluminum Alloy Ethernet Splitter 1 to 2 High Speed 1000Mbps, Gigabit Ethernet Splitter, LAN Splitter with USB-C Power Cable, RJ45 Splitter for Cat5/5e/6/7/8 Cable (2 Devices Simultaneously Networking)
Quick View
  • $25.18
  •  
  • $20.99 
  • Save: 16%
  • Free Shipping
10Gtek For Intel X540-T2 Ethernet Adapter with Intel X540 Controller, 10Gb Ethernet Network Card, Dual Port RJ45 Copper, PCI Express 10Gb Nic Ethernet LAN Adapter
Quick View
10Gtek For Intel X540-T2 Ethernet Adapter with Intel X540 Controller, 10Gb Ethernet Network Card, Dual Port RJ45 Copper, PCI Express 10Gb Nic Ethernet LAN Adapter
  • Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
  • Connectors: 2 x RJ45
  • Temperature: 0°C ~ 55°C
  • Features: Intel X540-T2
  • Model #: 603149403406
  •  
  • $65.99 
  • Free Shipping
Syba Dual 2.5 Gigabit Ethernet PCI Express PCI-E Network Controller Card 10/100/1000/2500 Mbps RJ45 LAN Adapter Low Profile Bracket
Quick View
  • $39.99
  •  
  • $29.99 
  • Save: 25%
  • Free Shipping
Intel Ethernet Converged Network Adapter X550, Backward compatible 10GBASE-T network adapter | X550T2
Quick View
Intel
Intel Ethernet Converged Network Adapter X550, Backward compatible 10GBASE-T network adapter | X550T2
  • Part Number: X550-T2
  • Standards: IEEE 802.3an (10GBASE-T) IEEE 802.3ab (1000BASE-T) IEEE 802.3u (100BASE-TX) IEEE 802.1Q (VLAN tagging) IEEE 802.1p (Traffic prioritization) IEEE 802.3az (Energy Efficient Ethernet)
  • Connectors: Two RJ-45 ports (10GBASE-T)
  • Frequency Band: 100BASE-TX: 31.25 MHz 1000BASE-T: 62.5 MHz 2.5G/5GBASE-T: 100–200 MHz range 10GBASE-T: up to 400 MHz
  • Model #: X550-T2, 0X550-T2
Acasis USB4 to 10 Gigabit Ethernet Adapter Compatible with Thunderbolt 5/4/3
Quick View
  •  
  • $119.00 
  • Free Shipping
Intel INT#X540T2 Ethernet Converged Network Adapter X540-T2  PCI Express x8 - 2 Port - 10GBase-T - Internal - Low-profile, Full-height
Quick View
Intel
Intel INT#X540T2 Ethernet Converged Network Adapter X540-T2 PCI Express x8 - 2 Port - 10GBase-T - Internal - Low-profile, Full-height
  • Brand: Intel
  • Model: X540-T2
  • 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 #: IN#INTX540T2
Intel OEM PCI-Express X540-T2 10G Dual RJ45 Ports Ethernet Network Adapter
Quick View
Intel
Intel OEM PCI-Express X540-T2 10G Dual RJ45 Ports Ethernet Network Adapter
  • Parts: 30 days warranty
  • Labor: 30 days warranty
  • Model #: X540T210G
Upgrade Ethernet Splitter 1 to 3 High Speed 1000Mbps, LAN Splitter with USB Power Cable, RJ45 Splitter for Cat5/5e/6/7/8 Cable Gigabit Internet Splitter [3 Devices Simultaneously Networking]
Quick View
Upgrade Ethernet Splitter 1 to 3 High Speed 1000Mbps, LAN Splitter with USB Power Cable, RJ45 Splitter for Cat5/5e/6/7/8 Cable Gigabit Internet Splitter [3 Devices Simultaneously Networking]

Limited time offer, ends 02/04

  • Series: OZHW2
  • Color: Black
  • Dimensions: 3.51 x 3.12 x 0.08 inches
  • Weight: 3.52 ounces
  • Model #: A-OZHW2
  •  
  • $14.99 
  • Free Shipping
Intel X540T2 Intel Ethernet Converged Network Adapter X540-T2 - PCI Express x8 - 2 Port - 10GBase-T - Internal - Low-profile, Full-height
Quick View
  •  
  • $73.99 
  • Free Shipping
Dual-Port PCIe Gigabit Network Card 1000M PCI Express Ethernet Adapter with Intel 82575/82576 Two Ports LAN NIC Card for Support PXE for Windows/Windows Server/Linux/Freebsd /DOS with Low Profile
Quick View
Dual-Port PCIe Gigabit Network Card 1000M PCI Express Ethernet Adapter with Intel 82575/82576 Two Ports LAN NIC Card for Support PXE for Windows/Windows Server/Linux/Freebsd /DOS with Low Profile

Limited time offer, ends 01/25

  • Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3x and IEEE 802.3ab standards
  • Connectors: 2 x RJ45
  • Class: 1000M, Dual RJ45
  • Model #: BL-AJS992
  • $46.78
  •  
  • $38.99 
  • Save: 16%
  • Free Shipping
Intel® Ethernet Server Adapter I210-T1
Quick View
Intel
Intel® Ethernet Server Adapter I210-T1
  • Parts: 30 days warranty
  • Labor: 30 days warranty
  • Model #: 3a4-080623000123775
AC Adapter for Sony LED TV XBR-65X930D ACDP-240E02 149311751 24V 10A AC and DC Adapter
Quick View
  •  
  • $169.49 
  • Free Shipping
Bitspower True Brass Enhance Rotary G1/4" 90-Degree Multi-Link Adapter For OD 14MM
Quick View
  • $24.50
  •  
  • $23.00 
  • Save: 6%
  • $35.00 Shipping
Gigabit Ethernet Splitter 1 to 2 High Speed, 1000Mbps Ethernet Splitter [2 Devices Simultaneous Networking], RJ45 Splitter Adapter with USB Power Cable, Internet Splitter for Cat5/5e/6/7/8 Cable
Quick View
in 30 days
Gigabit Ethernet Splitter 1 to 2 High Speed, 1000Mbps Ethernet Splitter [2 Devices Simultaneous Networking], RJ45 Splitter Adapter with USB Power Cable, Internet Splitter for Cat5/5e/6/7/8 Cable

Limited time offer, ends 02/13

  • Type: Ethernet Splitter 1 to 2 RJ45 Network Adapter
  • Changer Type: Gigabit RJ45 Ethernet Splitter 1 to 2
  • Specifications: Important Note: This Gigabit RJ45 Ethernet Splitter equipped with a 80cm/2.6 ft USB charging cable, it can support charging(recommended power socket as it is more stable). Cannot be used without power connection. Ethernet Splitter 1 to 2: Ethernet Port Splitter is mainly used to solve the connection problem caused by insufficient wiring, use the USB power supply cable and support two computers to share one ethernet cable simultaneously by means of the physical tapping method. Note: Two Female Port Workable Simultaneously. 1000Mbps Transfer Speed: RJ45 Splitter Adapter 1 to 2 ways dual female port LAN ethernet cable, the speed of two cable group (1 and 2) can reach 1000Mbps. And the signal transmission of two cable groups will not int...
  • Model #: W-OZHW3-5
  • $26.49
  •  
  • $25.99 
  • Free Shipping
Right Angle USB Male to Left Facing Vertical Female Adapter Coupler Connector
Quick View
Right Angle USB Male to Left Facing Vertical Female Adapter Coupler Connector
  • Type: Coupling Connector
  • Changer Type: USB Type A
  • Model #: UBL-A
  •  
  • $5.29 
  • Free Shipping
JacobsParts Male and Female DC Power Jack & Plug Screw-on Wire Connector 5.5mm x 2.1mm for 12V/24V LED Strip and Electronics (10 Pairs)
Quick View
  •  
  • $7.49 
  • Free Shipping

Bestselling Network Connectors/Adapters Reviews:

Brian D.
8/20/2025 12:15:48 PM
Works like a charm

“ Needed this because my Ethernet port was not working on my older desktop. ”

JacobsParts USB 2.0 Ethernet Network Adapter 100Mbps Wired LAN for Windows and Linux