Apple rumored to build server 'Baltra' chip

Apple is reportedly designing a new server chip called Baltra for its own artificial intelligence systems, but Apple has not announced the project publicly. (datacenterdynamics.com) The report traces back to The Information, which DatacenterDynamics said cited three people with direct knowledge of the effort in December 2024. That report said Apple was working with Broadcom on the chip’s networking technology and targeting mass production in 2026 for internal use. (datacenterdynamics.com) A chip like this would sit in data-center servers, not in an iPhone or Mac. Apple said in June 2024 that some Apple Intelligence requests run on “dedicated Apple silicon servers” through its Private Cloud Compute system when they are too large to handle on a device. (apple.com) Apple’s own security team said Private Cloud Compute handles “computationally intensive requests” for Apple Intelligence in the cloud while keeping the company’s device security model. Apple also said the system is designed so personal data sent to Private Cloud Compute is not accessible to anyone other than the user, including Apple. (security.apple.com) That makes the Baltra rumor notable because Apple already relies on Apple silicon servers for part of its artificial intelligence stack. A custom server chip could give Apple tighter control over cost, performance, and privacy features in the same way its in-house chips reshaped the Mac after the Apple silicon transition in 2020. (apple.com) Recent supply-chain reports added fresh detail but not confirmation. TechNode reported on April 9, 2026 that Baltra is expected to be made by Taiwan Semiconductor Manufacturing Company on its N3E process, while DealNTech reported the same day that Apple had not publicly acknowledged the project. (technode.com, (dealntech.com) Taiwan Semiconductor Manufacturing Company says N3E is an enhanced version of its 3-nanometer process, a manufacturing generation aimed at improving power, performance, and density over earlier designs. The foundry says its 3-nanometer family is used for both smartphones and high-performance computing chips. (tsmc.com, (tsmc.com) Broadcom’s role would also fit its public business. Broadcom says it sells custom silicon accelerators as well as networking hardware for artificial intelligence clusters, the kind of equipment used to move data between large numbers of server chips. (broadcom.com) Apple has not confirmed Baltra, Broadcom has not announced a named partnership, and the latest details still come through secondary reports and supply-chain coverage rather than filings or product launches. For now, the clearest fact is that Apple has already built a cloud system around Apple silicon, and the Baltra reports point to a deeper push into that infrastructure. (apple.com)