Labor Day SaleEnds September 7. Limited quantities. No rainchecks.Shop now

$(csi.user.businessName)

Skip to content Go to Product Search

Assistive Survey

1643 County Road B2Roseville, MN 55113Open until 9 pm

Find Another Store

Deal of the Day

My Best Buy Memberships

Best Buy Business

Main Content

Deals
Support & Services
Brands
Shop

Deals
Support & Services
- Visit our Support Center
- Repair & Tech Services
- Remote Support
- Manage an Appointment
- Trade In Your Device
- Check Repair Status
- Best Buy Brands Support
- Best Buy Business Professional Services
- Learn About Services by Category
- Protection & Support Plans
- Additional Services
Brands
- Apple
- ASUS
- Beats
- Dell
- HP
- Lenovo
- LG
- Meta
- Nintendo
- Pokémon
- Samsung
- Sony
- All Brands
- Best Buy Brands
Discover
Shop
- TV & Home Theater
  - Explore TV & Home Theater
  - Learn About RGB LED TVs
  - TVs by Size
  - TVs by Brand
  - TVs by Type
    - All Televisions
    - Top TV Deals
    - TVs Under $500
    - Learn About RGB LED TVs
    - OLED TVs
    - Smart TVs
    - 4K TVs
    - QLED TVs
    - Frame TVs
    - Mini-LED TVs
    - Gaming TVs
    - Services & Support
      - TV Mounting & Installation
  - All Sound Bars & Home Audio
    - Explore Sound Bars & Home Audio
    - Sound Bars
    - Home Theater & Stereo Systems
    - Speakers
    - Receivers & Amplifiers
    - Premium Audio
    - Services & Support
      - TV & Home Theater Services
  - Projectors & Screens
  - Blu-ray & DVD Players
  - Streaming Devices
  - Home Theater Accessories
  - Premium TV & Home Theater
  - Deals & Outlet
  - Services & Support
  - Best Buy for Business
  - Featured
- Computers & Tablets
- Appliances
  - Explore Appliances
  - Major Kitchen Appliances
  - Small Kitchen Appliances
  - Luxury Kitchen Appliances
  - Washers & Dryers
  - Vacuums & Floor Care
  - Heating, Cooling & Air Quality
  - Appliance Packages
  - Shop by Brand
  - Small Space Appliances
  - Appliance Parts & Accessories
  - Deals & Outlet
  - Services & Support
    - Delivery, Installation & Repair
    - My Best Buy Memberships
  - Featured
- Small Kitchen Appliances
- Video Games
- Cell Phones
- Headphones
- Home Audio & Speakers
- Music, Movies & TV Shows
- Cameras, Camcorders & Drones
  - Explore Cameras, Camcorders & Drones
  - Cameras & Lenses
  - Action Cameras & Camcorders
  - Content Creator Gear
  - Camera Accessories
  - Drones
  - Binoculars, Telescopes & Optics
  - Shop by Brand
  - Deals & Outlet
    - Camera, Camcorder & Drone Deals
    - Cameras, Camcorders & Drones Outlet
  - Featured
    - Shop with a Camera Expert
- Wearable Technology
  - Explore Wearable Technology
  - Apple Watch
  - Samsung Galaxy Smartwatches
  - Smartwatches
  - Fitness Trackers & Accessories
  - Smart Rings
  - Smart & AI Glasses
  - Headphones
  - Virtual Reality
  - Shop by Brand
  - Wearable Technology Accessories
  - Deals & Outlet
    - Wearable Technology Deals
    - Wearable Technology Outlet
  - Featured
    - Apple Watch Series 11
- Fitness, Sports & Outdoors
  - Explore Fitness, Sports & Outdoors
  - Exercise & Fitness Equipment
  - Water Sports Equipment
  - Sports Gear & Equipment
  - Kids' Sports & Outdoor Play
  - Camping Gear
  - Electric Transportation
  - Biking
  - Game Room
  - Yard Games
- Sports Fan Shop
- Health, Wellness & Personal Care
  - Explore Health, Wellness & Personal Care
  - Home Health Care
  - Personal Care & Beauty
  - Workout Recovery
  - Eyewear
  - Baby
  - Wearable Tech
  - Contrast Therapy: Hot & Cold Therapy
  - Exercise & Fitness Equipment
  - Muscle Pain Relief & Workout Recovery
  - Ear Care
  - Deals & Outlet
  - Services & Support
    - Shop with a Fitness Expert
- Home, Furniture & Office
- Smart Home, Security & Wi-Fi
  - Explore Smart Home, Security & Wi-Fi
  - Wi-Fi & Networking
  - Security Cameras & Surveillance
  - Smart Doorbells
  - Smart Door Locks
  - Home Security Systems
  - Smart Speakers & Displays
  - Smart Lighting
  - Smart Thermostats
  - Smart Plugs & Outlets
  - Smart Devices
  - Deals & Outlet
    - Smart Home, Security & Wi-Fi Deals
    - Smart Home, Security & Wi-Fi Outlet
  - Services & Support
  - Featured
    - Smart Home Tips & Tricks
    - Home Wi-Fi Networking Tips
- Outdoor Living
  - Explore Outdoor Living
  - Grills & Outdoor Cooking
  - Outdoor Kitchens
  - Outdoor Heating
  - Outdoor Power Equipment
  - Outdoor Home Theater
  - Outdoor Lighting
  - Patio Furniture
  - Lawn & Garden
  - Generators & Backup Power
  - Sheds & Outdoor Storage
  - Deals & Outlet
    - Outdoor Living Deals
    - Outdoor Living Outlet
  - Services & Support
  - Featured
- Electric Transportation
  - Explore Electric Transportation
  - Electric Bikes
  - Electric Scooters
  - Hoverboards
  - Electric Car Chargers
  - Kids' Scooters & Ride-Ons
  - Safety Gear & Accessories
  - Deals
    - Electric Transportation Deals
  - Featured
- Car Electronics & GPS
  - Explore Car Electronics & GPS
  - Car Audio
  - Auto Care & Cleaning
  - Auto Tools & Equipment
  - Car Security & Convenience
  - Back-Up & Dash Cameras
  - Electric Car Chargers
  - GPS Navigation
  - Marine & Powersports
  - Installation Parts & Accessories
  - Deals & Outlet
    - Car Electronics Deals
    - Car Electronics & GPS Outlet
  - Services & Support
    - Car Electronics Professional Installation
    - My Best Buy Memberships
- Toys, Games & Crafts
  - Explore Toys, Games & Crafts
  - Toys by Type
  - Toys by Age
  - Games, Puzzles & Cards
  - Arts & Crafts
  - Crafting Technology
  - Collectibles
  - Shop by Character
  - Shop by Brand
  - Deals & Outlet
  - Featured
- Collectibles & Memorabilia
Account
Order Status
Recently Viewed
Saved Items
Back to School
Top Deals
Deal of the Day
Gift Ideas
My Best Buy Memberships
Credit Cards
Gift Cards
Trade-In
Best Buy Business

ethernet coupler search results

Filters

Skip To Results

Get it fast

Pickup · Ready todayRoseville & nearby stores

Shipping · Get it today55423

Sold & shipped by

Best Buy

Category

Computer Accessories & Peripherals

Cables & Connectors

Color

Blue

Black

White

Gold

Multi

Price

to

Less than $25

$25 - $49.99

$50 - $74.99

Brand

Best Buy Brands

Sanoxy

StarTech.com

Unique Bargains

Cables Direct Online

Cables to Go

Startech

Tripp Lite

Customer Rating

Top-Rated

5

4 & Up

Networking Cable Type

Cat 6

Cat 6a

Cat 8

Connector Type

RJ45

Condition

Length of Cable

3.9' and Under

4' - 6.9'

7' - 10.9'

11' - 25.9'

26' - 50.9'

51' and Up

ethernet coupler in Computers & Tablets (18)

Search all categories

Sort by:

Sponsored
Insignia™ - Cat-6 RJ-45 In-Line Coupler - Black
Rating 4.9 out of 5 stars with 305 reviews
$5.99
More options from $2.99
Pick up Fri, Sep 4
Get it by Thu, Sep 3 • FREE
Compare
Insignia™ - Cat-6 RJ-45 In-Line Coupler - Black
Rating 4.9 out of 5 stars with 305 reviews
$5.99
More options from $2.99
Pick up Fri, Sep 4
Get it by Thu, Sep 3 • FREE
Compare
Cables Direct Online - Cat8 Ethernet Cable 2FT, 40Gbps High-Speed RJ45 Shielded Copper Cord for Router, PC & Gaming - Blue
+3 more
Rating 5 out of 5 stars with 1 reviewfalse
$12.59
Get it by Mon, Sep 7 • FREE
Compare
Sanoxy - CAT 6 Ethernet Cable Lan Network CAT6 Internet Modem RJ45 Patch Cord 30ft - Blue
+4 more
Rating 5 out of 5 stars with 2 reviews
$19.99
Get it by Mon, Sep 14 • FREE
Compare

Sanoxy - Cat 8 Ethernet RJ45 LAN Cable Super Speed 40Gbps Patch Network Gold Plated 15ft - Black
+3 more
Rating 4.3 out of 5 stars with 6 reviews
$29.99
Get it by Mon, Sep 14 • FREE
Compare
Sanoxy - RJ45 Inline Coupler CAT7/CAT6/CAT5e Ethernet Network Cable Extender Connector
Not yet reviewed
$12.99
Get it by Mon, Sep 14 • FREE
Compare
StarTech.com - StarTech 6in Blue CAT8 Cable, 25G/40G, 2000MHz, 100W PoE, Shielded S/FTP Patch - NLBL-6IN-CAT8-PATCH
Not yet reviewed
$25.70
Get it by Fri, Sep 4 • FREE
Compare
Cables to Go - C2G 01937 RJ45 8-Pin Modular Straight-Through Inline Coupler, Ivory
Not yet reviewed
$12.27
More options from $12.27
Get it by Wed, Sep 9 • FREE
Compare

Sponsored

Unique Bargains - 2pcs Cat 6 Ethernet Cable 32AWG 250MHz Flat High Speed RJ45 Network Patch Cord - Black
Not yet reviewed
$14.49
Get it by Fri, Sep 4 • FREE
Compare
StarTech.com - StarTech 6ft Blue CAT8 Cable, 25G/40G, 2000MHz, 100W PoE, Shielded Patch - NLBL-6F-CAT8-PATCH
Not yet reviewed
$38.71
More options from $38.71
Get it by Fri, Sep 4 • FREE
Compare
StarTech.com - StarTech 10ft Blue CAT8 Ethernet Cable, 25G/40G, 2000MHz, 100W PoE, Shielded Patch - NLBL-10F-CAT8-PATCH
Not yet reviewed
$47.81
More options from $47.81
Get it by Fri, Sep 4 • FREE
Compare
StarTech.com - StarTech 1ft Blue CAT8 Cable, 25G/40G, 2000MHz, 100W PoE, Shielded Patch - NLBL-1F-CAT8-PATCH
Not yet reviewed
$28.62
More options from $28.62
Get it by Fri, Sep 4 • FREE
Compare

Tripp Lite - Cat6 UTP Patch Cable [RJ45] - M/M, Gigabit, Snagless, Molded, Slim, Black, 3 ft.
Not yet reviewed
$21.47
More options from $21.47
Get it by Fri, Sep 4 • FREE
Compare
StarTech.com - StarTech RJ45 Inline Cat6 Coupler 5-Pack (F/F) T568B IN-CAT6-COUPLER-U5
Not yet reviewed
$53.99
More options from $53.99
Unavailable
Compare
Compare
Unique Bargains - Cat 8 Ethernet Cable 26AWG 40Gbps 2000MHz High Speed Network Patch Cord RJ45 Gold Plated - Black
Not yet reviewed
$29.99
Get it by Fri, Sep 4 • FREE
Compare
J-Tech Digital - 100ft. CAT6A Ethernet Cable - U/UTP Pure Copper 23AWG - Blue
Rating 5 out of 5 stars with 2 reviews
$61.58
Get it by Tue, Sep 8 • $7.99
Compare

Sponsored

Startech - Cat6 Patch Network Cable
Not yet reviewed
$20.92
More options from $20.92
Get it by Fri, Sep 4 • FREE
Compare
StarTech.com - StarTech 3ft Blue CAT8 Cable, 25G/40G, 2000MHz, 100W PoE, Shielded Patch Cord
Not yet reviewed
$31.99
More options from $31.99
Get it by Fri, Sep 4 • FREE
Compare
Unique Bargains - Cat 6 Ethernet Cable 32AWG 250MHz Flat High Speed RJ45 Network Patch Cord with Clips - White
Not yet reviewed
$33.99
Compare
Compare

Related searches

Tell us about your search experience

Sponsored

Sponsored

People often viewed

Insignia™ - Cat-6 RJ-45 In-Line Coupler
$5.99
Best Buy essentials™ - 10' Cat-6 Ethernet Cable
$6.99
TP-Link - 5-Port 10/100/1000 Mbps Unmanaged Switch
$24.99
Staples TECH - 20 ft. Cat 7 Ethernet Cable, Male to Male
$13.98
Sanoxy - RJ45 Inline Coupler CAT7/CAT6/CAT5e Ethernet Network Cable Extender Connector
Not yet reviewed
$12.99
Cables to Go - C2G 01937 RJ45 8-Pin Modular Straight-Through Inline Coupler, Ivory
Not yet reviewed
$12.27
j5create - USB 3.0 Gigabit Ethernet Adapter
$19.99
The price was $24.99
Best Buy essentials™ - 50' Cat-6 Ethernet Cable
$13.99
Staples TECH - 100' Cat-6 Ethernet Cable, Male to Male
$21.99
The price was $22.99
Trendnet - TEG-102S,2-Port Gigabit Splitter with USB Type C Power
Not yet reviewed
$32.59
The price was $35.08
NETGEAR - Nighthawk BE3600 Dual-Band Wi-Fi 7 Router
$149.99
Insignia™ - 50 ft. Cat 6A Ethernet Cable
$29.99
HPE Networking Instant On - Switch Series 1430 8-Port Gb Unmanaged Layer 2 Ethernet Switch with PoE R8R46A#ABA
Not yet reviewed
$112.57
Insignia™ - 25 ft. Cat-8 Ultra High-Speed Ethernet Cable
$29.99
Unique Bargains - 2pcs Cat 6 Ethernet Cable 32AWG 250MHz Flat High Speed RJ45 Network Patch Cord
Not yet reviewed
$14.49

Explore related products Sponsored

XPS 13.4" 3K Touchscreen Laptop - Intel Core 5 Series 3 320 2026 - 16GB Memory - 512GB Storage
Not yet reviewed
$899.99
ROG Strix G16 16" FHD 165Hz Gaming Laptop - AMD Ryzen 9 8940HX - 16GB Memory - GeForce RTX 5070 Ti - 1TB Storage
Labor Day Deal
$1,749.99
The price was $2,299.99
OmniBook 3 - 14" 2K OLED Laptop - Snapdragon X (8-Core CPU) - 16GB Memory - 256GB SSD - Copilot+ - 41+ Hrs Battery Life¹
Labor Day Deal
$549.99
The price was $699.99
Plus 14" 2K 2-in-1 Touchscreen Laptop - Intel Core Ultra 7 Series 2 256V 2024 - 16GB Memory - 1TB Storage - Copilot+ PC
$1,199.99
Yoga 7a 2-in-1 16" 2K OLED Touchscreen Laptop - AMD Ryzen AI 7 445 2026 - 24GB Memory - 1TB SSD - Copilot+ PC
$1,299.99
Active 3 Premium 45mm Smartwatch
$149.99
The price was $169.99
Zenbook S16 16" 3K OLED Touchscreen Laptop - AMD Ryzen AI 9 465 2026 - 32GB Memory - 1TB Storage - Copilot+ PC
$1,799.99
ThinkPad L16 16" FHD+ Touchscreen Laptop - Business AI PC - Intel Core Ultra 7 255U 2025 - 32GB RAM - 1TB SSD - Win11Pro
$1,499.99

Sponsored

Sponsored

Visit our Support Center
Check your Order Status
Shipping, Delivery & Store Pickup
Returns & Exchanges
Price Match Guarantee

Order & Purchases

Check Order Status
Shipping, Delivery & Pickup
Returns & Exchanges
Price Match Guarantee
Product Recalls
Trade-In Program
Gift Cards

Payment Options

My Best Buy® Credit Card
Pay Your Bill at Citibank
Lease to Own
Buy Now, Pay Later
Best Buy Business Financing

Support & Services

Visit our Support Center
Shop with an Expert
Schedule a Service
Manage an Appointment
Protection & Support Plans
Haul Away & Recycling
Contact Us

Rewards & Membership

My Best Buy Memberships
View Points & Certificates
Member Offers

Partnerships

Sell on Best Buy Marketplace
Advertise with Us
Affiliates: Creators & Publishers
Best Buy Health
Best Buy Education
Best Buy Business
Partner+

About Best Buy

Corporate Information
Careers
Corporate Responsibility
Sustainability

Sign in or Create Account

Get the latest deals and more.

Email Address

Best Buy appLearn more ›

How was your experience?

Best Buy Canada

Accessibility Terms & Conditions Privacy Interest-Based Ads State Privacy Rights Health Data Privacy Do Not Sell/Share My Personal Information Limit Use of My Sensitive Personal Information Targeted Advertising Opt Out CA Supply Chain Transparency Act

In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.