Tested: Windows 11 Pro’s On-By-Default Encryption Slows SSDs Up to 45%::Windows 11 Pro defaults to BitLocker being turned on, using software encryption. We’ve tested the Samsung 990 Pro with hardware encryption to show how the various modes impact performance, and how muc
Your first link states that BitLocker is only available on Pro or above, and the second link is for Window 10 Mobile, which was a phone OS.
I’m pretty sure it’s a different thing altogether. Like how BitLocker and Windows Encrypted File System (EFS) are two different things, but both of them are still in use.
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.