This spring my legacy 2 tuner turns 10 years old. They grow up so fast. Still using the original power supply. The hard drive has its own power source.
I got our original Tablo in 2015 too and had a few problems early-on, but it’s been pretty solid for the past 8-9 years. My wife uses it as much or more than streaming TV services. We’re used to its features and hope it continues working.