Interpreter[Restricted["Quantity", "Megabytes"]][{"1 KB", "167 MB", "1.1 GB"}]
As far as I know, this base is not $1000$, but $1024$, how to provide normal base?
Interpreter[QuantityVariable["Information"]][{"1 KB", "167 MB", "1.1 GB"}] also will provide same wraning.