Skip to main content
  • In Stock
  • Sold by Newegg
  • Make an Offer
  • New
Brands
Show More
Price
Show More
Thunderbolt
Sold by
All Top Brands
Availability
Condition
Current Promotion
Discount
Useful Links
Customer Ratings
Sort By:
View:
2.5GB PCIe Network Card, PCI-e Express to 2.5 Gigabit Ethernet Network Adapter for Desktop PC Gaming, Supports Windows 11/10/8.1/8/7, Linux
Quick View
  •  
  • $15.99 –
  • Free Shipping
  • $15.50 - $15.99
2.5GBase-T PCIe Network Adapter, 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support Windows Server/Windows, Standard and Low-Profile Brackets Included PCIe to 2.5 Gigabit
Quick View
  • $29.99
  •  
  • $13.59 –
  • Save: 54%
  • Free Shipping
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
  • Brand: Plugable Technologies
  • Part Number: USBC-E2500
  • Type: USB C, USB 3.0, RJ45
  • Changer Type: USB C or USB 3.0 to Ethernet
  • Model #: USBC-E2500
  •  
  • $24.95 –
  • Free Shipping
DERAPID 5G Base-T PCIe Network Card, RTL8126 Controller, PCIe to RJ45 5Gbe NIC Adapter, Supports Windows 10/11/Server/Linux/Desktop/NAS, 5G/2.5G/1G/100Mbps Multi-Gig Ethernet LAN Card
Quick View
DERAPID 5G Base-T PCIe Network Card, RTL8126 Controller, PCIe to RJ45 5Gbe NIC Adapter, Supports Windows 10/11/Server/Linux/Desktop/NAS, 5G/2.5G/1G/100Mbps Multi-Gig Ethernet LAN Card

Limited time offer, ends 11/10

  • Brand: DERAPID
  • Series: 5G Base-T PCIe Network Card
  • Model: RTL8126
  • Part Number: RTL8126
  • Model #: RTL8126
  • $20.99
  •  
  • $20.98 –
  • Free Shipping
RJ45 Ethernet Coupler Cat 8 Cat7 Cat6 Cat5e SSTP - Network Jack In-Line Female to Female Lan Patch Cord Cable Extender Connector Adapter
Quick View
RJ45 Ethernet Coupler Cat 8 Cat7 Cat6 Cat5e SSTP - Network Jack In-Line Female to Female Lan Patch Cord Cable Extender Connector Adapter

Limited time offer, ends 11/30

  • Color: Black
  • Specifications: Use this adapter couple two RJ-45 ethernet cables together, Great for extending ethernet connection Future-proof your network for 10-Gigabit ethernet connectivity Shielded housing and easy snap-in retaining clip ensure a secure and corrosion free connection RJ45 inline jack coupler comply with the TIA/EIA 568-C.2 standard This 8P8C female to female ethernet coupler jack is compatible with Cat 8 Cat7 Cat6 Cat5e network
  • Model #: 11-001-263
  •  
  • $9.79 –
  • Free Shipping
TRENDnet TMO-313C2K,2.5Gbps Ethernet over Coax Adapter (2-Pack)
Quick View
TRENDnet TMO-313C2K,2.5Gbps Ethernet over Coax Adapter (2-Pack)
  • Brand: TRENDnet
  • Model: TMO-313C2K
  • Features: • Includes two MoCA® 2.5 (TMO-313C) 2.5Gbps Ethernet over Coax Adapters • Supports MoCA® 2.5 over coaxial cables • 1 x MoCA Coax: F-Type Female coax input • 1 x 2.5Gbps RJ45 LAN port • Backward compatible with MoCA 2.0/1.1/1.0 standards • Supports up to 16 nodes on one network • Bonded MoCA 2.5 channels provide a net throughput of up to 2.5Gbps • Designed
  • Weight: 1.7600
  • Model #: TMO-313C2K
  •  
  • $139.99 –
  • 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
  •  
  • $29.99 –
  • 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
in 30 days
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
  •  
  • $56.99 –
  • Save: 13%
  • Free Shipping
TRENDnet 10G PCIe Network Adapter, TEG-10GECTX, Convert  a PCI Express Slot Into a 10 Gigabit Ethernet Port, 802.1Q  VLAN Tagging, Windows and Windows Server Support
Quick View
TRENDnet 10G PCIe Network Adapter, TEG-10GECTX, Convert a PCI Express Slot Into a 10 Gigabit Ethernet Port, 802.1Q VLAN Tagging, Windows and Windows Server Support
  • Brand: TRENDnet
  • Model: TEG-10GECTX
  • Features: • Converts a PCIe 3.0 x4 slot into a 10G Ethernet port • Supports connection speeds of 10Gbps, 2.5Gbps, and 1Gbps • Supports 802.1Q VLAN Tagging • Includes standard and low-profile brackets • Windows® and Windows Server® support • IEEE 802.3an and 802.3bz compliant
  • Weight: 0.5200
  • Model #: TEG-10GECTX v4.0R
  •  
  • $69.99 –
  • Free Shipping
SCREENBEAM ECB7250K02 MoCA 2.5 Network Adapter True 2.5 Gbps Ethernet Port for Ethernet Over Coax (2 Pack)
Quick View
SCREENBEAM ECB7250K02 MoCA 2.5 Network Adapter True 2.5 Gbps Ethernet Port for Ethernet Over Coax (2 Pack)
  • Type: MoCA 2.5 to 2.5 Gbps Ethernet Port
  • Color: Black
  • Model #: ECB7250K02
  • $177.28 - $187.67
M.2 NGFF Key A/A+E 2230 WiFi Adapter for MacBook Air 2013-2017, BCM94360CS2 Wireless WiFi Card Bluetooth 4.0 802.11ac
Quick View
  •  
  • $14.31 –
  • Free Shipping
StarTech.com RJ45SPLITTER 2-to-1 RJ45 Splitter Cable Adapter - M/F
Quick View
StarTech.com RJ45SPLITTER 2-to-1 RJ45 Splitter Cable Adapter - M/F
  • Color: White
  • Specifications: Connector A: 1 - RJ-45 Male Connector B: 2 - RJ-45 Female Cat: 5/5E
  • Weight: 0.08 lb.
  • Parts: 1 year limited
  • Model #: RJ45SPLITTER
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 11/08

  • 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
RJ45 Ethernet Splitter 1 to 2 Ways, Dual Female Port LAN Cable Adapter, Compatible with Cat5/Cat6/Cat7 Network Cabling for Home Office
Quick View
  • $10.64
  •  
  • $10.14 –
  • Free Shipping
USB 2.0 to 10/100 Fast Ethernet Adapter for Nintendo Switch / Wii U, RJ45 Wired LAN Network Dongle with ASIX AX88772 Chip, White
Quick View
USB 2.0 to 10/100 Fast Ethernet Adapter for Nintendo Switch / Wii U, RJ45 Wired LAN Network Dongle with ASIX AX88772 Chip, White
  • Type: Ethernet Adapter
  • Changer Type: USB to Ethernet
  • Color: White
  • Specifications: 10/100Mbps fast network access; LED indicators for Link and Activity; compatible with Nintendo Switch, Windows 10/8/7/Vista/XP, Mac OS X 10.4 and above, and Linux kernel 3.x/2.6.x
  • Model #: 078746158408
  •  
  • $21.39 –
  • Free Shipping
USB 3.0 to 10/100/1000 Mbps Gigabit RJ45 Ethernet Network LAN Adapter for PC Mac
Quick View
  •  
  • $9.99 –
  • Free Shipping
EnLabs 5-PACK CAT6 UTP Tool Less Keystone Jack, RJ45 Self-Locking Cat.6 Keystone Module Adapter No Punch-Down Tool Required Couplers For Wall Plate
Quick View
EnLabs 5-PACK CAT6 UTP Tool Less Keystone Jack, RJ45 Self-Locking Cat.6 Keystone Module Adapter No Punch-Down Tool Required Couplers For Wall Plate

Limited time offer, ends 11/30

  • Specifications: RJ45 8P/8C Female port gold-plated contacts Category 6 ANSI/TIA/EIA 568-C.2 performance T568A and T568B Labeling IDC modules (110 or Krone) with covers Compatible with 22-26 AWG Solid wire
  • Package Contents: 5 x Cat 6 RJ45 Keystone Jack
  • Option: Adapter
  • Model #: KSCAT65PK
  •  
  • $11.69 –
  • Free Shipping
WAVLINK 10G Ethernet Adapter for Thunderbolt 3/4/5 & USB4, Supports 10G/5G/2.5G/1G/100M/10M Adaptive Speed, Compact Aluminum Design, Includes 40Gbps USB-C Cable, for Mac, Windows, Linux, ChromeOS
Quick View
Wavlink
WAVLINK 10G Ethernet Adapter for Thunderbolt 3/4/5 & USB4, Supports 10G/5G/2.5G/1G/100M/10M Adaptive Speed, Compact Aluminum Design, Includes 40Gbps USB-C Cable, for Mac, Windows, Linux, ChromeOS

Limited time offer, ends 11/08

  • Brand: WAVLINK
  • Color: Silver
  • Specifications: - One RJ45 Ethernet port provides reliable wired Internet speed of 10Gbps. - 10M/100M/1G/2.5G/5G/10Gbps rate adaptive. - Support for jumbo frame up to l6KB enhancing the card's capability to handle large data transmission. - Places PHY in a low-power state when an active link partner is not present. - Compatible with USB4, Thunderbolt 3/4/5.
  • Package Contents: - 1x USB4 10 Gigabit Ethernet Adapter - 1x USB4 C to C Cable(50cm) - 1x Read Before Use Card - 1x Safety Information - 1x Driver Download Links - 1x Quick Start Guide
  • Model #: WL-NWU342G-BL
TelDaykemei 2500Mbps USB 3.0 Ethernet To RJ45 2.5G Wired Adapter Converter Lan Network Hub For Windows 7/8/10 MAC For PC Laptop
Quick View
  •  
  • $11.10 –
  • Free Shipping
ESTONE 2.5G/5G Gigabit Network AB Switch, 2-Port RJ45 Ethernet Selector, Manual Pushbutton, 10/100/1000Mbps, Aluminum Alloy, for Cat5/5e/6/7/8 Cable
Quick View
ESTONE 2.5G/5G Gigabit Network AB Switch, 2-Port RJ45 Ethernet Selector, Manual Pushbutton, 10/100/1000Mbps, Aluminum Alloy, for Cat5/5e/6/7/8 Cable

Limited time offer, ends 11/19

  • Type: Ethernet Switch Selector
  • Color: Black
  • Specifications: Size: 4cm x 3.5cm x 2.1cm Length:0.8meters(2.62 FT) USB Power Supply :3.3V Type: RJ45 splitter with shielded, suitable for Cat 5 / Cat 5e / Cat 6 / Cat 7 Ports: 1 female to 2 female adapter (8P8C)
  • Connector Style: RJ45
  • Model #: E-OZHW7-3
  •  
  • $17.99 –
  • Free Shipping
Ubiquiti POE-48-24W-G Power over Ethernet Injector
Quick View
Ubiquiti POE-48-24W-G Power over Ethernet Injector
  • Changer Type: PoE Adapters
  • Color: Black
  • Dimensions: 3.78" x 2.44" x 1.38"
  • Weight: 5.86 oz.
  • Model #: POE-48-24W-G
AFL FAST-LC-SM-6 FastConnect LC Singlemode SM OS2 Fiber Optic Connector, 6-Pack
Quick View
AFL FAST-LC-SM-6 FastConnect LC Singlemode SM OS2 Fiber Optic Connector, 6-Pack
  • Model: FAST-LC-SM-6
  • Type: Fiber Optic Connector
  • Features: Six blue LC/UPC field-installable connectors for singlemode fiber; Factory-polished, pre-stubbed ferrules eliminate field polishing and epoxy; Mechanical splice design aligns the prepared fiber with the internal fiber stub; Includes 900 µm boots; separate boot kits accommodate 2 mm and 3 mm cordage; Compatible VFI can help confirm proper fiber installation
  • Model #: FAST-LC-SM-6
  •  
  • $59.99 –
  • Free Shipping

Bestselling Network Connectors/Adapters Reviews: