Overview
- Multiple supply‑chain reports say TSMC is holding roughly $1 billion worth of finished A20/A20 Pro dies that cannot move to final packaging because the required LPDDR5X memory has not arrived.
- Apple’s A20 Pro uses wafer‑level multi‑chip packaging that bonds DRAM to the processor during packaging so missing memory halts entire batches rather than allowing memory to be added later.
- DRAM makers including Micron, SK Hynix and Samsung have shifted capacity toward server memory for AI data centers, shrinking available mobile DRAM and raising lead times and prices.
- Apple and its assemblers report confidence they can meet initial launch allocations but warn that once the first shipments sell through online orders could show stretched delivery windows and retail stock could empty quickly.
- With Apple reportedly concentrating its September reveal on Pro and foldable models only, the company’s reliance on scarce DRAM increases the risk shoppers will face limited supply, higher prices, and longer waits if additional memory does not arrive in the coming weeks.