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Comment by paulmist

9 hours ago

At $15/GB of HBM4 the 331.8TB of HBM4 per pod is 5 million...

$15/GB is retail price for DIMM sticks. Is HBM4 really that cheap?

  • HBM is just DRAM stacked directly next to the die. The expensive part is gluing it on there. The chips themselves are pretty much the same.

    • HBM uses about twice as much DRAM silicon per GB due to all the space for interconnect