SK hynix shows 16-Hi HBM4 memory for AI accelerators — 48 GB at 10 GT/s over a 2,048 interface
Looking at the backsides of HBM4 and HBM3E, the difference between them becomes obvious, even taking the general pin count aside. HBM3E and HBM4 feature the same dimensions/footprint, so the backside indeed shows a much …









