U2
16GB GDDR6 + 2GB DDR5
RAM
Unified + system memory
About this component
The GDDR6 pool sits around the APU as on the base PS5, but runs faster. The added 2 GB of DDR5 takes OS and background work off the main pool. Actual chip part numbers were not found in a reliable teardown source.
What it does on this board
16GB GDDR6 main memory plus 2GB DDR5 for the OS.
Pinout & readings
No pinout or reference readings yet — these show what each pin does and what a healthy part should measure.