NVIDIA lowers Vera Rubin HBM4 bandwidth to 19.2 TB/s per GPU from 22 TB/s target

NVIDIA has lowered Vera Rubin's HBM4 bandwidth to 19.2 TB/s per GPU from an earlier 22 TB/s target, with NVL72 rack bandwidth now listed at 1,400 TB/s and NVLink per GPU cut from 3.6 to 3.0 TB/s. Memory capacity remains unchanged at 288 GB per GPU, while estimated pin speeds dropped from 11.7 Gbps to 9.5 Gbps.

Detected & updated continuously · Source: Nebula