[DigitalToday reporter Jinju Hong (홍진주)] SpaceX has warned investors that its plan to build artificial intelligence (AI) data centres in space may fail to produce commercial results.

According to IT outlet TechRadar on April 29, SpaceX said in an S-1 filing submitted before a listing that orbital AI computing and its space industrialisation plans are still at an early stage and may not achieve commercial viability due to technical complexity and unproven technology.

SpaceX stated in the filing that its orbital AI computing and in-orbit, lunar and interplanetary industrialisation initiatives are at an early stage. It said the businesses involve technical complexity and unproven technologies and may not reach commercial feasibility. Unlike Elon Musk’s strong optimism about space-based AI in public, the formal investor document reflects a much more cautious assessment.

SpaceX said its space data centres operate in a "harsh and unpredictable space environment". That means exposure to a wide range of specialised space risks that can cause equipment malfunctions or failures. AI equipment that functions normally on Earth would have to withstand conditions in space such as radiation, extreme temperature swings and the inability to conduct on-site repairs.

Another key variable is Starship. SpaceX is premising the deployment of space data centres on Starship, its next-generation fully reusable rocket, but Starship has faced development delays and test failures. SpaceX said in the filing that if Starship’s large-scale development fails or is delayed, or if it fails to secure the required launch cadence, reusability or performance, its ability to execute its growth strategy would be delayed or constrained.

SpaceX said this is not just a scheduling issue but is directly linked to economics. To put data centres into space, repeated launches and a reuse system must work as planned. SpaceX acknowledged that if Starship fails to achieve the promised launch cadence and reusability, the cost structure of orbital data centres itself could collapse.

The technical difficulty is also high. No one has yet built and operated a data centre in space. Space radiation can cause memory errors and damage electronic equipment. Sharp temperature changes between sunlight and shadow put pressure on component lifespans. Once placed in orbit, hardware cannot be repaired or upgraded, meaning every component must operate reliably throughout its designed lifetime.

SpaceX also has to overcome cost competition with ground-based data centres. Ground-based facilities cost less to build and maintain, and parts can be replaced immediately on site when problems arise. Space-based data centres, by contrast, must shoulder launch vehicles, orbital operations and environmental-hardening design. Until SpaceX proves it can operate orbital infrastructure reliably and cheaply, space AI data centres will remain a business that needs verification before vision.