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How the Razer Core Charges the Razer Blade Stealth Using USB Power Delivery

USB PD
Product Review
Reviewed Products

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Core

by Razer Inc.
by Razer Inc.

The Razer Core not only can offload graphics processing from the Razer Blade Stealth, it can also keep the Razer Blade Stealth charged while docked using USB Power Delivery.

Using software from Granite River Labs, we are able to see how the Razer Core communicates with the Razer Blade Stealth.

The Razer Core offers 5 volts @ 3 amps (15 watts), 12 volts @ 3 amps (36 watts), 15 volts @ 3 amps (45 watts), and 20 volts @ 2.25 amps (45 watts) power options to the Razer Blade Stealth.

The Razer Blade Stealth then selects the 20 volts @ 2.25 amps (45 watts) option.

Using an oscilloscope, we can confirm that the Razer Blade Stealth is drawing 19.6 volts.

With the Razer Blade Stealth being well charged, it's only pulling .8 amps.

The Razer Core should be able to charge other products using USB Power Delivery but don't expect all computers to be able to use its graphics processing features since they have been tuned to work with the Razer Blade Stealth and The New Razer Blade.

 

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