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An Overview of the Belkin Thunderbolt 3 40 Gbps USB-C Cable (.8 m) with 5K Video, DisplayPort and 100W USB Power Delivery Charging

Belkin carries a Thunderbolt 3 40 Gbps USB-C Cable (.8 m) which should be suitable if you want to take advantage of Thunderbolt 3 technology on the Apple 15" MacBook Pro (2018) or Thunderbolt 3 Windows PC's. This .8 m / 2.6 ft Belkin cable can provide up to 40 Gb/s of data transfer rate through Thunderbolt 3 when connected to a Thunderbolt 3 based device. The Belkin cable also supports data transfer over the USB Type-C interface at USB 3.1 Gen 2 speeds (up to 10Gb/s) as well as DisplayPort 1.2 and USB Power Delivery 2.0 technologies.

You can use the Belkin Thunderbolt 3 40 Gbps USB-C Cable (.8 m) to connect a daisy-chain of up to six Thunderbolt 3 based devices as well as quickly move large 4K / 5K video or data files to most Thunderbolt 3 or USB Type-C enabled devices and peripherals at 1x 5K or 2x 4K resolutions. The Belkin cable can also be used to supply up to 100 watts of rapid charging power using USB Power Delivery 2.0.

Using the GRL DI20 cable tester to test the insertion loss through the Belkin Thunderbolt 3 40 Gbps USB-C Cable (.8 m) in comparison to the StarTech Thunderbolt 3 40Gbps USB-C Cable (.8 m), we can see the StarTech cable has slightly better overall signal integrity performance when compared to the Belkin cable even though they are the same length. Despite being the more expensive cable, the Belkin Thunderbolt 3 40 Gbps USB-C Cable (.8 m) loss behavior are close to the cheaper StarTech Thunderbolt 3 40Gbps USB-C Cable (.8 m) (see review here).

Here's a quick look at how the Belkin Thunderbolt 3 40 Gbps USB-C Cable (.8 m) looks like after purchase.