‹ Back to Home

WD Unveils Storage Roadmap: 40TB UltraSMR Now, HAMR Drives Late 2026, and 140TB HDDs by the 2030s

At WD Innovation Day 2026 in New York (February 3), the newly rebranded WD (formerly Western Digital) unveiled a sweeping storage roadmap. The 40TB UltraSMR ePMR HDD is the world's highest-capacity drive, currently qualifying with 2 hyperscalers. HAMR drives arrive late 2026 (40TB CMR / 44TB SMR) powered by a proprietary vertical-emitting laser developed over 6 years.

Keerthika 11 min read 869
Follow on Google
Updated 2 weeks ago
World Tech WD Unveils Storage Roadmap: 40TB UltraSMR Now, HAMR Drives Late 2026, and 140TB HDDs by the 2030s 11 min left Follow on Google
WD Unveils Storage Roadmap: 40TB UltraSMR Now, HAMR Drives Late 2026, and 140TB HDDs by the 2030s

TamilTech AI summary

WD just laid out a bold hard drive roadmap at Innovation Day, with a 40TB UltraSMR HDD already qualifying at hyperscalers, HAMR drives planned for late 2026 using a proprietary vertical-emitting laser, and a long-term path toward 140TB drives in the 2030s. After spinning off SanDisk, the company is now a pure-play HDD maker focused on capacity, and it also showed High Bandwidth Drive Technology that already hits about 570MB/s with a goal of roughly 2GB/s later this decade. That matters because AI and big data centers need huge amounts of affordable cold and warm storage, and HDDs still beat SSDs on cost per terabyte at exabyte scale. Users and IT teams should know UltraSMR is best for sequential, archival-style workloads rather than heavy random writes, while HAMR and higher platter counts are the real capacity play from 2027 onward. In short, WD is betting hard drives will stay the economic backbone of AI infrastructure, not fade away next to flash.

  • What is the highest capacity HDD available from WD in 2026?
  • When will WD start shipping HAMR drives?
  • How does WD plan to reach 140TB HDD capacity?
  • What is HBDT and how fast can HDDs get?

AI-assisted summary, checked by the TamilTech editorial team.

WD Unveils Storage Roadmap: 40TB UltraSMR Now, HAMR Drives Late 2026, and 140TB HDDs by the 2030s

On February 3, 2026, at WD Innovation Day in New York City, the company formerly known as Western Digital — now officially rebranded as simply WD with a new logo — revealed the most ambitious hard drive roadmap the storage industry has seen in a decade. The announcements span from products shipping today to technologies that will define data storage through the 2030s, and they carry particular significance for India's exploding data center market.

The headline numbers are staggering: a 40TB UltraSMR HDD already qualifying with hyperscalers, HAMR (Heat-Assisted Magnetic Recording) drives arriving late 2026 with a proprietary vertical-emitting laser, a path to 10TB per platter by 2028, and an ultimate roadmap to 140TB drives in the 2030s using 14-platter designs. On the performance side, WD's High Bandwidth Drive Technology (HBDT) already delivers 570MB/s — nearly double conventional HDD speeds — with a roadmap to 2GB/s, approaching QLC SSD territory.

This is not incremental progress. This is WD declaring that the hard drive is not merely surviving in the age of AI and SSDs — it is the only storage technology that can economically scale to the exabyte demands of artificial intelligence infrastructure.

The WD Rebrand: More Than a Name Change

Before diving into the technology, the rebrand itself is worth understanding. Western Digital officially shortened its name to WD with a completely new visual identity. This follows the SanDisk spinoff completed in February 2025, which separated the company's flash/SSD business (now independent SanDisk) from its HDD business (now pure-play WD).

Premium Content

You've read all your free articles today. Subscribe to continue reading.

You've used 3 of 3 free articles today.

Subscribe Now

Already subscribed? Sign in

Get tomorrow’s tech news on WhatsApp

One short update a day, free. Follow the TamilTech channel.

What do you think?

people reacted

Keerthika

TamilTech editorial team · 3,344 articles

Keerthika is an editor at TamilTech, the Tamil and English technology publication founded by Praveen Kumar S. She covers AI, smartphones, gadgets, EVs, startups and cybersecurity i...

More from Keerthika

Ask TamilTech on WhatsApp

Tech doubt? Ask in Tamil or English — our WhatsApp assistant answers from TamilTech articles in seconds.

Related stories

Comments (0)

| Supports **bold**, *italic*, `code`

Be the first to comment!

Next story Apple Softens Its iPhone Tracking Prompts in Europe Following Antitrust Heat
Tamiltech

Tamiltech

Install app for faster access

Earn XP 🏆
WhatsApp
Notifications