Summary of the week of November 3, 2025

[cobito]

Samsung sells its HBM4 for 2026

Samsung has already placed all production of its HBM4 memory for the year 2026. For the same year, SK Hynix and Micron have almost reached their production limit for the HBM3E generation.

Microsoft does not have power for so many GPUs

Amid a crisis of inventory of GPUs, memories and storage devices, the CEO of Microsoft has said that they do not have enough electrical power to use all the GPUs they have bought.

Security flaw in Zen 5

A security flaw has been found in Zen 5 CPUs that consists of an error in the µinstruction RDSEED being incorrectly marked as correct, which leads to the random number generator generating predictable encryption keys. It will be fixed with an AGESA update.