A major development in high-performance memory for AI and data centers

Samsung to More Than Double HBM4 and HBM4E DRAM Output

Hacker News — 463 Points

September 2026

02

The Announcement

Understanding Samsung's strategic move in the memory market

Key Details from the Report

01

Production Expansion Samsung plans to more than double output of HBM4 and HBM4E DRAM chips starting next year
02

Market Drivers Surging demand from AI applications and data center expansion fuels the production increase
03

Technology Focus HBM4 and HBM4E represent the latest generations of high-bandwidth memory technology
04

Industry Significance This positions Samsung to capture growing market share in the premium memory segment

04

Why It Matters

The broader impact on technology and markets

Strategic Implications

This expansion signals a major shift in the semiconductor landscape

memory

AI Acceleration

HBM4 enables faster, more efficient AI model training and inference

speed

Data Center Growth

Critical for hyperscale computing infrastructure expansion

trending_up

Market Leadership

Samsung strengthens position against SK Hynix and Micron

bolt

Performance Gains

HBM4E delivers 1.5x bandwidth improvement over previous generation

precision_manufacturing

Supply Chain

Addresses persistent memory shortages in GPU production

rocket_launch

Innovation Drive

Pushes memory technology boundaries for next-gen computing

06

HBM Technology Evolution

The journey to HBM4 and beyond

High Bandwidth Memory Roadmap

2014

HBM1 Launch

First generation HBM introduced with 128 GB/s bandwidth per stack

2016

HBM2 Arrival

Doubled bandwidth to 256 GB/s, adopted by GPU manufacturers

2018

HBM2e Enhancement

Expanded capacity and bandwidth to 460 GB/s per stack

2022

HBM3 Generation

819 GB/s bandwidth, 16Gb density per die, AI-focused design

2025

HBM4 & HBM4E

Over 1.2 TB/s bandwidth, optimized for AI training workloads

2027

Next-Gen HBM

Projected continued evolution for exascale computing needs

HBM Market Leaders

Samsung Expanding
Market leader in memory production
Doubling HBM4 output in 2026
Strong GPU vendor partnerships
Vertical integration advantages

SK Hynix Competing

Second-largest HBM supplier
NVIDIA's primary HBM partner
HBM3E production leader
Focusing on AI memory solutions

Micron Emerging

US-based memory manufacturer
Developing HBM3E products
Government support for expansion
Strong data center relationships

Key Takeaways

Samsung's HBM4 expansion represents a pivotal moment in high-performance memory technology—enabling faster AI development, strengthening market position, and addressing critical supply shortages in the semiconductor industry.

Source: en.sedaily.com | Hacker News Discussion: 463 Points