CPX and Rubin Integration: GDDR7 in Global Servers
Last Modified
2025-09-17
Update Frequency
Aperiodically
Format
Geopolitical constraints and import controls curb RTX PRO in China, with a special edition awaiting broader demand; CPX adopts GDDR7 memory with increased capacity, complementing Rubin GPUs that rely on HBMs, while near-term momentum remains with current solutions.
Key Highlights
- China market constrained by geopolitics and controls; the special edition release is awaiting broader demand.
- CPX uses GDDR7 memory to boost capacity and complements Rubin GPUs using HBMs.
- Design targets AI training and inference; mass production timing remains to be clarified.
- Demand for CSP racks and integrated systems is rising; providers seek more integrated approaches.
- CPX and Rubin complement each other, with no clear cannibalization in sight.
Table of Contents
- Introduction
- Newly Unveiled Rubin CPX from NVIDIA Manages Context-Stage Computing of AI Disaggregated Inference Architecture
- VR NVL 144 CPX Compute Tray Contains 8 Additional Rubin CPX GPUs to Enhance AI Inference Capabilities
- Estimated Power Consumption of VR NVL144 CPX Is Near 400kW per Rack
- NVIDIA's Adoption of GDDR7 Will Still Focus on RTXC PRO 6000 in 2026; Ramp-Up of Rubin CPX System Is Expect to Start Either by End of 2026 or in 2027
- Estimated Distribution of Demand (Shipments) of GB200 and GB300 Racks by Major CSP (Customer) in 2025
- Geopolitical Factors Have Caused Setbacks for H20 in China but Also Created Opportunities for RTX PRO 6000 in the Same Market; Ramp-Up of Special 6000D Version Is Expected to Occur After 4Q25
- NVIDIA CPX Is Expected to Drive Future Growth for GDDR7
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Category: AI Server/HBM/Server , Semiconductors
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