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Nvidia Revives Rubin CPX Chip Program with 2027 Launch Planned
Nvidia has reportedly revived its Rubin CPX chip program, which was believed to have been canceled. According to industry research by Ming-Chi Kuo of TF International Securities, production is scheduled to start in the first quarter of 2027.
The updated Rubin CPX includes modifications to GPU specifications and rack design. Each CPX GPU delivers computing performance similar to the Rubin GPU and has a maximum power rating of 2,300 watts.
One notable change is the memory configuration, which uses 168 GB of HBM4 compared to 288 GB on Rubin or 128 GB of GDDR7 in the earlier CPX version. The new design also uses a separate MGX ETL rack instead of sharing rack space with Rubin.