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Overview

Upgrade your connectivity with the Silkland USB4 Extension Cable featuring 40Gbps ultra-fast data transfer, 240W Power Delivery, and 8K@60Hz video output. This Thunderbolt 4 compatible USB-C male to female extender is perfect for MacBook, iPad, PSVR2, USB-C hubs, and high-performance workstations.

USB4 Thunderbolt 4 Extension Cable 5ft 40Gbps 240W 8K@60Hz USB-C Male to Female

Model: S3657
Web Code: 19775150
Sold and shipped by | 4.0 seller rating (2 reviews)

Available for deliveryAvailable online only

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Seller Return Policy

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

Enhance your professional and home setup with the Silkland USB4 Extension Cable for Thunderbolt 4, engineered for ultra-fast data transfer, high-wattage charging, and crystal-clear 8K video output. Designed to meet the latest USB4 and Thunderbolt 4 standards, this premium 5ft USB-C male to female extension cable delivers blazing speeds of up to 40Gbps, making it ideal for creators, gamers, IT professionals, and everyday users who demand top-tier performance. Whether you're extending your docking station, external SSD, eGPU, or USB-C hub, this high-performance cable ensures zero compromise in speed, power, or display quality.

With support for up to 240W Power Delivery (PD 3.1), this USB4 extension cable provides ultra-fast charging for high-powered devices including laptops, tablets, and smartphones. It is fully compatible with modern USB-C devices such as MacBook Pro, iPad Pro, PSVR2, and the latest USB-C smartphones. This makes it an ideal solution for users in Canada looking for reliable, high-speed charging cables for home offices, gaming stations, or professional editing environments.

The Silkland USB4 extender also supports stunning 8K@60Hz and 4K@144Hz video resolution, ensuring exceptional clarity, vibrant colour accuracy, and smooth refresh rates. Whether you’re connecting to an 8K monitor, Thunderbolt docking station, or USB-C display, this cable maintains stable signal transmission without lag or flicker. It is perfect for content creators, video editors, and gamers who require high-bandwidth connectivity for external GPUs, ultra-high-definition monitors, and high-speed storage drives.

Built with premium shielding and reinforced connectors, this durable USB-C extension cable offers superior signal integrity and long-term reliability. The sturdy aluminum alloy casing enhances heat dissipation, while the braided design increases durability for everyday plugging and unplugging. Its 5-foot length provides flexibility and convenience, helping users extend hard-to-reach USB-C ports on laptops, desktops, docking stations, and entertainment systems without sacrificing performance.

For Canadian tech enthusiasts shopping at Best Buy Canada, this USB4 Thunderbolt 4 compatible cable is a must-have accessory for optimizing workspace efficiency. It supports backward compatibility with Thunderbolt 3, USB 3.2, and USB-C devices, making it a versatile and future-proof investment. Whether you need a high-speed data transfer cable for external NVMe SSD enclosures, a reliable USB-C video extension for dual monitor setups, or a 240W fast charging cable for power-hungry laptops, this extension cable delivers consistent, top-tier performance.

Ideal for professional offices, gaming setups, creative studios, and home entertainment systems, the Silkland USB4 Extension Cable ensures maximum bandwidth, ultra-stable connectivity, and safe high-power charging. If you’re looking for a premium USB-C extension cable in Canada that supports 40Gbps data transfer, 8K video output, Thunderbolt 4 compatibility, and 240W Power Delivery, this is the ultimate solution for performance and reliability.

Product Condition
Brand New
Cable Type
USB Extension Cable

Connectivity

End Type #1
USB-C
End Type #2
Thunderbolt 4
End Type #3
Not Applicable

Features

Maximum Resolution
8K Ultra HD

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

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Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Cell phone accessories
Return/Exchange Period
30 days
Condition
Opened