Cerebras unveils CS-4, a server rack powered by three WSE-3 Turbo chips and built around its new Nexus architecture, with first shipments starting this quarter (Max A. Cherney/Reuters)

Cerebras Systems introduced the CS-4 server rack, which integrates three WSE-3 Turbo chips and runs on the company’s new Nexus architecture while using roughly 50% fewer components than prior models. The rack is slated for initial shipments in the third quarter of 2026.