If you read something else here I misread.
I have seen UMTS:3, HSDPA:9, HSPA:11.
I would be pissed if the numbers actually meant HSPA categories because I think it would mean my provider is lying when they say they provide HSPA+. For that I'd need to see HSPA:13 and I never have.
Nexus 5 (Hammerhead LG-D820)
Also: Galaxy Nexus (Maguro - GSM/HSPA)