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![Main image of Silkland 40Gbps USB 4 Extension Cable for Thunderbolt 4, [240W Charging, 8K 60Hz] USB C Extender 6.6ft, 4K@240Hz Type C Male to Female Adapter Compatible for USBC Hub, iPhone 17/16, MacBook, iPad](https://c1.neweggimages.com/productimage/nb640/C3FGD251116104UBE58.jpg)
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![Alt view image 3 of 7 - Silkland 40Gbps USB 4 Extension Cable for Thunderbolt 4, [240W Charging, 8K 60Hz] USB C Extender 6.6ft, 4K@240Hz Type C Male to Female Adapter Compatible for USBC Hub, iPhone 17/16, MacBook, iPad](https://c1.neweggimages.com/productimage/nb640/C3FGD251116104UCCB5.jpg)
![Alt view image 4 of 7 - Silkland 40Gbps USB 4 Extension Cable for Thunderbolt 4, [240W Charging, 8K 60Hz] USB C Extender 6.6ft, 4K@240Hz Type C Male to Female Adapter Compatible for USBC Hub, iPhone 17/16, MacBook, iPad](https://c1.neweggimages.com/productimage/nb640/C3FGD251116104UDK6C.jpg)
![Alt view image 5 of 7 - Silkland 40Gbps USB 4 Extension Cable for Thunderbolt 4, [240W Charging, 8K 60Hz] USB C Extender 6.6ft, 4K@240Hz Type C Male to Female Adapter Compatible for USBC Hub, iPhone 17/16, MacBook, iPad](https://c1.neweggimages.com/productimage/nb640/C3FGD251116104UFB31.jpg)
![Alt view image 6 of 7 - Silkland 40Gbps USB 4 Extension Cable for Thunderbolt 4, [240W Charging, 8K 60Hz] USB C Extender 6.6ft, 4K@240Hz Type C Male to Female Adapter Compatible for USBC Hub, iPhone 17/16, MacBook, iPad](https://c1.neweggimages.com/productimage/nb640/C3FGD251116104UGM51.jpg)
![Alt view image 7 of 7 - Silkland 40Gbps USB 4 Extension Cable for Thunderbolt 4, [240W Charging, 8K 60Hz] USB C Extender 6.6ft, 4K@240Hz Type C Male to Female Adapter Compatible for USBC Hub, iPhone 17/16, MacBook, iPad](https://c1.neweggimages.com/productimage/nb640/C3FGD251116104UIB06.jpg)
Meet Your Seller
Silkland 40Gbps USB 4 Extension Cable for Thunderbolt 4, [240W Charging, 8K 60Hz] USB C Extender 6.6ft, 4K@240Hz Type C Male to Female Adapter Compatible for USBC Hub, iPhone 17/16, MacBook, iPad
- 40Gbps Upgraded Data Transfer This USB4 extension cable backs up 3GB files within 1 second. Going beyond the limits of USB-C 3.2 (20G/10G) cables, this USBC extender is built to be future-proof and seamlessly connects the Thunderbolt 4/3, USB4 devices (SSD, docking stations, hubs), enabling maximum transmission speeds up to 40Gbps. Note: actual transfer speed depends on your device. The recommended total cable length between devices is under 10FT for optimal performance.
- Single 8K/Dual 4K Video Output Provide a single 8K@60Hz / 4K@240Hz or dual 4K@60Hz display support. Whether it's for multi-screen workflow or long-distance home theater, it releases your efficiency and delivers a gorgeous visual feast. NOTE: Make sure your cable/hub/device all support the resolution you want to achieve.
- 240W High-Power ChargingNever compromise on power or reach. Our Thunderbolt 4 extension cable supports 240W 48V/5A fast charging. Keeping even the most power-hungry laptops charged at full spee
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140Gbps Data Transfer28K & Dual 4K Output3240W Fast Charging1Full Compatibility2No Flipping Required3Superior Materials Why can't it reach 40Gbps for me?
1. Please check whether both the connected device and the cable support the specified bandwidth or resolution.
2. For a stable connection, keep the total combined length between the device and the cable within 10 feet.
Why can't I achieve 8K/4k resolution with a hub?
Please make sure that the hub and cable you are using also support 8K/4K.
Why is the connection loose and unstable?
1. First, ensure the USB-C port on your device is clean and free of physical damage.
2. Try flipping the female adapter and reconnecting it to the device.
Why can't it reach 40Gbps for me?
Why can't I achieve 8K/4k resolution with a hub?
Why is the connection loose and unstable?
1. Please check whether both the connected device and the cable support the specified bandwidth or resolution.
2. For a stable connection, keep the total combined length between the device and the cable within 10 feet.
Why can't I achieve 8K/4k resolution with a hub?
Please make sure that the hub and cable you are using also support 8K/4K.
Why is the connection loose and unstable?
1. First, ensure the USB-C port on your device is clean and free of physical damage.
2. Try flipping the female adapter and reconnecting it to the device.
Why can't it reach 40Gbps for me?
Why can't I achieve 8K/4k resolution with a hub?
Why is the connection loose and unstable?
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- This item is covered by DHINGDOM TRADING CO., LIMITED Return Policy
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