Micron Stock Pops on HBM4 Volume Production for Nvidia Vera Rubin

Micron Technology MU +3.68% ▲ stock rose 1.4% in after-hours trading after the company announced full-scale production and volume shipments of HBM4 36GB 12H for Nvidia’s NVDA +1.65% ▲ advanced Vera Rubin platform in Q1 2026. Micron’s new HBM4 memory and storage is faster, holds more data, and uses less power than the previous version. The news comes as Micron prepares to release its Q2 FY26 results on Wednesday, March 18.

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Commenting on the news, Sumit Sadana, executive VP and chief business officer at Micron stated, “Our close collaboration with Nvidia ensures that compute and memory are designed to scale together from day one.” Micron made these announcements at Nvidia GTC 2026, where it showcased its memory and storage products.

Here’s How HBM4 Supersedes HBM3

The latest HBM4 achieves over 11 Gb/s pin speed, confirmed via internal testing and confidential customer validations, delivering more than 2.8 TB/s bandwidth. Micron stated that this is roughly 2.3x the performance of HBM3E, with over 20% better power efficiency.

To expand HBM cube capacity further, Micron demonstrated advanced packaging by stacking 16 HBM dies and shipping HBM4 48GB 16H samples to customers. This delivers 33% more capacity per HBM placement than the HBM4 36GB 12H version.

The memory chipmaker has also begun high-volume production of 9650 SSD, claimed to be the industry’s first PCIe Gen6 SSD, built for Nvidia’s BlueField-4 STX. It hits up to 28 GB/s read speeds and 5.5 million random reads per second. Moreover, it has begun production of the 192GB SOCAMM2 memory module, which works with Nvidia’s Vera Rubin NVL72 systems and standalone Vera CPU platforms. It provides up to 2TB memory and 1.2 TB/s bandwidth per CPU, in sizes from 48GB to 256GB.

Is Micron Stock a Buy?

The Street expects Micron to post adjusted earnings per share of $9.19, up 489% from last year’s $1.56. Sales are forecast to jump 145% year-over-year to $19.77 billion, driven by booming demand for HBM and DRAM in data centers.

Analysts remain optimistic about Micron’s long-term prospects. On TipRanks, MU stock commands a Strong Buy consensus rating based on 26 Buys and one Hold rating. The average Micron price target of $455.74 implies 3.2% upside potential from current levels. Over the past year, MU shares have rocketed over 328%.

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