---
format: "aidr-story-markdown/v1"
id: "beb18b5bae2c451aee7d3b5cfcb9136e05d65b00a1ebc47f96678edd8b901c32"
canonical_url: "https://aidr.today/beb18b5b?lang=en"
title: "Nvidia Halves Rubin Ultra HBM to 192GB to Cut Memory Cost 50%"
lang: "en"
requested_lang: "en"
available_langs: ["en","vi"]
translation_fallback: null
fallback_fields: []
published_at: "2026-09-02T02:57:49.000Z"
category: "Chips"
topics: ["nvidia","chips","inference"]
source_urls: ["https://huggingnews.com/ai/update-nvidia-halves-rubin-ultra-hbm-to-192gb-to-cut-memory-cost-50perce-0367fa7a"]
summary: "Recent price spikes for DRAM and HBM prompted a reduction in memory capacity for the Rubin Ultra system from 384GB to 192GB. This shift from HBM4E 12-Hi to HBM…"
---

# Nvidia Halves Rubin Ultra HBM to 192GB to Cut Memory Cost 50%

> [Open the canonical story](<https://aidr.today/beb18b5b?lang=en>)

**Published:** 2026-09-02T02:57:49.000Z
**Category:** Chips
**Topics:** nvidia, chips, inference

## Summary

Recent price spikes for DRAM and HBM prompted a reduction in memory capacity for the Rubin Ultra system from 384GB to 192GB\. This shift from HBM4E 12\-Hi to HBM…

## Sources

- [Story source](<https://huggingnews.com/ai/update-nvidia-halves-rubin-ultra-hbm-to-192gb-to-cut-memory-cost-50perce-0367fa7a>)