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Teaming up his three flagship companies, Tesla, SpaceX, and xAI, Musk introduced the launch of the Terafab initiative. Described as a joint venture, it aspires to create what he calls “the largest chip manufacturing facility ever built.”
He said he has urged suppliers including TSMC, Samsung Electronics Co. (005930.KS) and Micron Technology Inc. (MU) to expand as quickly as they can — and promised to take pretty much everything they make. “We will buy all of their chips; I have said these exact words to them,” he said. But semiconductor companies have opted to expand at a more measured rate, one far short of what he thinks necessary for Tesla, SpaceX and xAI. “So we either build the Terafab or we don’t have the chips,” he said.
Musk on Saturday announced what he calls the “Terafab,” a semiconductor manufacturing plant to be located in Austin, Texas, that will produce chips for Tesla vehicles, SpaceX spaceships and Optimus humanoid robots.
In the wake of increasing global tensions over tech supply chains, Terafab's domestic focus aligns with U.S. policies aimed at reducing reliance on foreign chip manufacturers like TSMC and Samsung. These steps may bolster national security by safeguarding American technological interests and enabling the country to maintain an edge in AI and space exploration technologies under the umbrella of the CHIPS Act as reported by TechCrunch.
The Terafab facility is projected to become the largest semiconductor manufacturing plant globally, significantly enhancing domestic chip production. The initiative aligns with the goals established by the CHIPS Act of 2022, which has prompted ...
The specialized machines needed for advanced chip production, such as the extreme ultraviolet (EUV) lithography tools made exclusively by ASML, have multi-year waiting lists. Securing even a handful of these machines would require displacing orders from companies that have been planning their roadmaps for a decade. Musk’s vision for the Terafab extends far beyond powering electric vehicles.
Terafab will be built with two separate production facilities, each dedicated to a unique chip design. One line will focus on making chips for use in Tesla's electric vehicles and the company's humanoid robot projects, while the other will meet ...
On March 21, Elon Musk walked into a defunct power plant in Austin and announced Terafab: a $20 to $25 billion joint chip fabrication facility between Tesla, SpaceX, and xAI, targeting one terawatt of annual AI computing power, produced at ...
About 20% of the Terafab facility’s annual output will be for “terrestrial” purposes, including chips for Tesla’s Full Self-Driving and Optimus robots, according to the presentation. The remaining capacity will be for space applications, including orbital data centers.
One of Terafab's facilities will be focused on AI chips for Tesla's electric vehicles and Optimus humanoid robots, while the other will be focused on AI chips for space-based data centers made by SpaceX. Musk said that the Terafab chips will be necessary to meet his companies' demand for computing power that exceeds what it can obtain from suppliers.
Terafab is a semiconductor fab project announced in Austin, north of the Giga Texas site.
Terafab will pursue 2-nanometer process technology — the most advanced node in the world, one that TSMC is only now beginning to produce at scale.
Tesla (TSLA) stock rose 3.5% after Elon Musk unveiled Terafab, a $20-$25B semiconductor facility targeting 2nm chips for FSD, Optimus, and SpaceX.
Nvidia CEO Jensen Huang publicly cautioned Musk against underestimating the challenge, saying that matching TSMC’s semiconductor capabilities is “virtually impossible.” The plan involves a lot of hubris, as there are daunting capital and execution risks – and chipmaking is orders of magnitude more complex than battery cell production.
Industry sources say these requirements closely align with key talent at TSMC, advanced packaging firms, and major IC design houses, specifically targeting those who have already gone through generational transitions in advanced process technologies. Meanwhile, industry observers believe that for Tesla to bring TeraFab into reality, it will require not only more talent but also overcoming at least three major challenges.
Send a tip to our reporters · Site feedback: Take our Survey · By Debby Wu and Ian King · March 24, 2026 at 10:32 AM UTC · Save · When Elon Musk took the stage on Saturday to unveil his plans to get into semiconductor production, he didn’t ...
Musk said 80% of Terafab's total compute output would go toward orbital applications, backing SpaceX's stated plan to launch up to one million data center satellites into low Earth orbit.
Overall, while Terafab introduces an era of increased competition for traditional semiconductor giants like TSMC and Samsung, it simultaneously paves the way for thinkers and developers in the semiconductor space to capitalize on this shift.
Many semiconductor experts view ... that TeraFab plans to hire engineers from Taiwan, likely igniting a "talent war" in the region. The report notes that Tesla is approaching TSMC's engineers in Taiwan to secure ...
But Musk leaned directly into skepticism at the event, challenging doubters by pointing out that Tesla and SpaceX defied critics who predicted electric cars and reusable rockets would not be feasible or economical. Terafab chips would be needed at scale to boost Tesla’s autonomous and robotics projects, as well as for SpaceX, as its orbital data centers are a big piece of its growth prospects — just as the IPO nears.