[crazygringo]

The sources are their own tests described further down in the article. It mostly describes slowdowns of between 0–20%, but does say:

> But the critical aspect is that software BitLocker dropped random write performance by 45% compared to hardware BitLocker.

I don't think consumers are engaging in a lot of sustained random writes. On the other hand, it might be a reason to avoid software encryption on a database server with a lot of writes.

[dmitrygr]

> I don't think consumers are engaging in a lot of sustained random writes.

Let me introduce you to Windows update. It is both random and sustained permanently.

[HPsquared]

Windows Update must be such an energy hog, if you consider it across all users globally. I wonder how many MWh it consumes per year?

[crazygringo]

Ha, good point. Definitely wasn't thinking of OS updates.

Though if those are (hopefully) applied overnight, speed doesn't really matter.

[dmitrygr]

Overnight...

https://www.google.com/search?q=windows+update+forces+random...

[crazygringo]

Yikes, so sorry. I'm on a Mac, and while they certainly have their own share of problems, at least it's not that specific one.

[MikusR]

TIL that second tuesday every month is random.