However, as noted by MacRumors, it’s probably similar to their storage with only the NAND chips on board and the controller is still embedded in the SoC, tightly restricting any possible DIY upgrade or repair options.

On X, L0vertodream also posted on X a Mac mini teardown. L0vetodream states that “it is indeed a 1-slot dual-slot with a maximum particle size of 1TB. It uses a BGA315 hard disk and the maximum upgrade capacity can be up to 2T” (translated).

It is launch day for the new Mac mini, iMac, and MacBook Pro in the U.S., and same-day pickup is now available at many Apple Store locations across the country. The same is true for many other countries around the world. To order a product with Apple Store ...

Apple isn't soldering the SSD to the logic board in the M4 Mac mini, but given the company's history with Apple Silicon, don't expect upgrades.

Today’s the first day you can freely buy the new Mac mini without a pre-order, and it’s also the first time we’re seeing a real discount on Apple’s tiny PC. Amazon is selling the base model with 256GB of storage for $550 or the model with 512GB for $749, a savings of $50 off either model. Both now come with 16GB of RAM too.