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Tested: Windows 11 Pro's On-By-Default Encryption Slows SSDs Up to 45%
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
From your article:
I'm pretty sure it just uses BitLocker under the hood and doesn't let you configure some things:
https://support.microsoft.com/en-us/windows/device-encryption-in-windows-ad5dcf4b-dbe0-2331-228f-7925c2a3012d
https://learn.microsoft.com/en-us/windows-hardware/drivers/bringup/secure-boot-and-device-encryption-overview#device-encryption
Just checked an 11 Home computer that has Device Encryption turned on:
Get-BitLockerVolume reports that it is on for the main drive with RecoveryPassword and Tpm protectors.
It's definitely just a rebranded, less featured BitLocker.