➀ Hynix plans to start sampling HBM3e 16hi memory with 48 GB capacity per cube in H1 2025; ➁ HBM3e 16hi offers a high-capacity alternative before the production of HBM4 16hi; ➂ HBM3e 16hi can deliver a maximum capacity of 384 GB per system, surpassing NVIDIA’s Rubin at 288 GB; ➃ Transitioning from HBM3e to HBM4 will double the I/O count and increase die size, but the per-die capacity remains at 24 GB; ➄ HBM3e 16hi will adopt the Advanced MR-MUF stacking process for higher stack counts and computational bandwidth.