Arm debuts next-gen semi-custom Neoverse CSS N4 ‘Ranger’ platform — compute subsystem packs up to 128 cores per die on TSMC N3P by Jake Roach from Latest from Tom's Hardware on 2026-09-08 02:00 (#787YM) Arm's new Neoverse CSS N4 platform can pack up to 128 cores per die and 256 MB of L3 cache, representing a large increase in support over the previous Neoverse CSS N2 platform.