(Reuters) – Apple Inc (NASDAQ:) has started internal testing of several Mac models with next-generation M2 chips, Bloomberg News reported https://bloom.bg/3vkaDCr on Thursday citing developer logs.

According to reports, nine Mac models were being tested using four M2-based chips, which are the successors in the M1 series. The logs also show that third-party apps have been added to its app store.

Apple has also added that it is testing the Mac mini using an M1 Pro chip. This processor was used in entry-level MacBook Pros of 14 and 16 inches.

Apple announced a faster processor for its new desktop in March. This is a major milestone in Apple’s efforts to use microprocessors made in-house to power their devices.

Apple released two MacBook Pro models with more powerful chips last year. It furthered its separation from the previous supplier. Intel Corp (NASDAQ:).

Apple did not respond to Reuters requests for comment immediately.