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Limited time offer, ends 07/20
- Model #: PCET25G-RT
- $15.99 –
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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
- Part Number: 19825
- Connectors: 1 x RJ45
- Wireless Speed: Up to 2.5 Gbps
- LEDs: Link, Activity
- Model #: F-2500RJ
- $29.99
- $13.79 –
- Save: 54%
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2.5Gb PCIe Network Adapter Intel Chipset, 2500/1000/100Mbps Gigabit Ethernet Card RJ45 LAN Port for Gaming/Office, Wake on LAN,PCI Express Server LAN Card, Desktop Ethernet Interface Card
Limited time offer, ends 07/20
- Model #: PCET25G-IT
- $23.99 –
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Duomigo Gigabit Ethernet Splitter 1 to 4, 1000Mbps High Speed LAN Splitter with USB Power, 4 Devices Simultaneous Network for Cat5/5e/6/7/8 Cables
- Power: DC 5V
- Weight: 0.3LB
- Parts: 1 Year
- Model #: YYT023
- $9.99 –
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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
- Type: Wired network adapter
- Color: Gray
- Connector Style: RJ45
- Model #: 2500Mbps USB 3.0
- $11.15
- $11.10 –
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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
- $24.95 –
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UGREEN Ethernet Adapter USB 2.0 to 10 100 Network RJ45 LAN Wired Adapter Compatible with Nintendo Switch Wii Wii U MacBook Chromebook Windows Mac OS Surface Linux ASIX AX88772A Chipset WhiteLimited time offer, ends 07/19
- Model #: NWKUBCTRAPRL1807
- $14.24
- $13.24 –
- Save: 7%
- More options from $13.24 - $49.98
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RJ45 Coupler in Line Coupler Cat 8 Cat7 Cat6 Cat5e Ethernet Cable Extender Adapter Female to Female (Black) -2Pack
Limited time offer, ends 07/30
- Model #: HKCoupler-2P-BK
- $8.99
- $7.99 –
- Save: 11%
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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 07/31
- 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 –
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DARKROCK Network Coupler 10 Packs Ethernet Coupler RJ45 Coupler for Cat7/Cat6/Cat5e/Cat5 Ethernet Cable Extender Adapter High Speed Data Transfer Plug-and-Play with Easy Snap-in Retaining Clip
- Type: RJ45
- Model #: DR-ACY-NetworkCoupler
- $9.99
- $7.99 –
- Save: 20%
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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 07/30
- Brand: DERAPID
- Series: 5G Base-T PCIe Network Card
- Model: RTL8126
- Part Number: RTL8126
- Model #: RTL8126
- $19.99
- $19.89 –
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M.2 A+E Key 2.5G Ethernet LAN Card, RTL8125BG Chip M2 A/E to RJ45 COM Port Network Adapter, 2.5G/1G/100Mbps Gigabit NIC for Desktop PC
Limited time offer, ends 07/30
- Model #: AJMRTC-M.2 A+E Key 2.5G
- $15.99 –
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GLOTRENDS LE8105 2.5Gbps PCIe Ethernet Network Card, RTL8125BG Chip, RJ45 LAN Port, PCIe X1 Installation
- Model #: LE8105
- $26.99
- $14.99 –
- Save: 44%
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DERAPID 2.5Gbps PCIe Network Card Dual RJ45 Port Adapter with Intel I226 Chipset for Desktop Gaming Office 2500/1000/100Mbps PCI Express Gigabit Ethernet NIC Card RJ45 LAN Port Controller
Limited time offer, ends 07/30
- Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
- Connectors: 2 x RJ45
- Wireless Speed: 2.5Gbps
- Features: I226
- Model #: 2.5G PCIE To RJ45 Adapter
- $39.99
- $39.89 –
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DARKROCK 10 Packs Cat6 RJ45 Keystone Coupler - PC Plastic Case, Plug-and-Play, Extends Ethernet Connection, Female to Female, Compatible with Cat5/5e/6 & Ideal for Home/Office Networking/Audio/Video
- Model #: DR-ACY-KeystoneCoupler
- $9.99
- $7.99 –
- Save: 20%
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DERAPID 2.5G PCIe Ethernet Card with Intel I226 Chip, 2500Mbps Gigabit Network Adapter to PCIE X4 X8 X16 NIC for Desktop NAS Windows 10/11, Windows Server 2019/2022; Linux
Limited time offer, ends 07/30
- Brand: DERAPID
- Series: PCIE to RJ45
- Model: I226
- Type: PCIE X4
- Model #: PCIE to RJ45
- $65.89 –
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- $39.99 –
- More options from $39.99 - $58.99
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EnLabs Waterproof Protector RJ45 Lan Coupler Outdoor Install Adapter,Cat6 7 5E 8P8C RJ-45 Female Jack Inline Connector Extender
Limited time offer, ends 07/31
- Model #: RJ45COUPLERWO
- $12.29 –
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AUBEAMTO Ethernet Switch, 2 Port Internet and Extranet Bi-Directional Network Switch 2.5/5 Gigabit Ethernet Switch Splitter 1 to 2 1000Mbps High Speed, Office Splitter Adapter for Cat5/5e/6/7/8 Cable
Limited time offer, ends 07/24
- Series: OZHW7
- Color: Black
- Dimensions: 3.51 x 3.12 x 0.08 inches
- Weight: 3.52 ounces
- Model #: A-OZHW7
- $13.59 –
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USB 3.0 to 10/100/1000 Mbps Gigabit RJ45 Ethernet Network LAN Adapter for PC Mac
- Type: Adapter/Converter
- Model #: UB3-LAN-D
- $10.49
- $9.99 –
- Free Shipping
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TelDaykemei 2500Mbps Type-C Ethernet To RJ45 2.5G Wired Adapter Converter Lan Network Hub For Windows 7/8/10 MAC For PC Laptop
- Connector Style: RJ45
- Model #: 2500Mbps Type c
- $11.20 –
- Free Shipping
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SABRENT USB4 to 10 Gigabit Ethernet Adapter USB-C to 10GbE Network Adapter for USB4/Thunderbolt 3/4, Aluminum Housing, Bus Powered, Backward Compatible with Multi-Gig and Gigabit Networks (NT-P10G)
- Brand: SABRENT
- Weight: 4.59 ounces
- Model #: NT-P10G
- $159.99 –
- Free Shipping
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10Gtek SFP+ DAC Twinax Cable, 10G SFP+ to SFP+ Direct Attach Copper Patch Passive Cable for Cisco SFP-H10GB-CU1M, Ubiquiti UniFi UC-DAC-SFP+, TP-Link TL-SM5220-1M, Fortinet and More, 0.5~ 7 Meters
- Type: Network Ethernet Cables
- Cat: Twinaxial
- Length: 3.28 ft.
- Color: Black
- Model #: CAB-10GSFP-P1M
- $15.99 –
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5pcs Snap-In F-Type Insert Keystone Connector Module Coax Cable Wall Jack
- Color: White
- Model #: KJF23W-05
- $11.86 –
- Free Shipping
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Enlabs WPCAT65PK 5-PACK CAT6 UTP RJ45 Jack Female to Female Coupler Keyston Insert Snap-in Connector Socket Adapter for Wall Plate,Outlet Patch Panel,Black
Limited time offer, ends 07/31
- Model #: WPCAT65PK
- $12.19 –
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- $220.84 –
- More options from $208.81 - $266.00
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Gigabit Dual NIC with Intel 82576 Chip, 1Gb Network Card, 2 RJ45 Ports, PCI Express 2.1 X1, Ethernet Card with Low Profile for Windows/Windows Server/Linux
Limited time offer, ends 07/20
- Model #: NIC-PCE1G-2P
- $29.99 –
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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)
Limited time offer, ends 07/19
- Part Number: BL-SW1KT2
- Switch Type: Gigabit
- Model #: BL-SW1KT2
- $25.18
- $20.99 –
- Save: 16%
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AFL FUSE-LC9SMU-6 FuseConnect LC Singlemode OS2 SM Fiber Optic Connector, 6-Pack
- Model #: FUSE-LC9SMU-6
- $64.99 –
- Free Shipping
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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 07/24
- 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
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ULTRAPOE Gigabit PoE+ Injector for Ethernet, 30W 48V with 10/100/1000Mbps & IEEE 802.3af/at Compliance. Extend Network Up to 100M (328 ft) Plug and PlayBlack
- Model #: 537470342854
- $49.99 –
- $5.00 Shipping
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BUCIER RJ45 Coupler, Ethernet Cable Extender Adapter for Cat7 Cat6 Cat5e, Ethernet Cable Coupler (Black-10 Pack)
Limited time offer, ends 08/07
- Model #: 4687964561
- $27.39 –
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Bestselling Network Connectors/Adapters Reviews:
Douglas H.
9/21/2025 7:26:19 AM
The best under $20 component I have ever bought.
“ The network component that was built in to my system board could not handle my upgraded internet service. ”
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, LinuxRussell H.
8/19/2025 6:24:12 AM
Eazy peazy
“ The ethernet port on my motherboard died. ”
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 GigabitClyde G.
5/17/2025 5:38:54 PM
great deal to acompany a 2.5G upgrade!
“ got myself a 2.5G gateway recently and wanted to utilize the new speeds so i bought a pair of these for my PC and server and couldn't be happier! ”
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, LinuxAnonymous
12/23/2024 9:55:48 AM
Great item and value. Works Great.
“ Needed to replace the onboard network adapter. ”
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 GigabitPeter A.
5/2/2023 10:17:44 AM
Solid speed! Fun on a budget!
“ I highly recommend this adapter! ”
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