iPhone 18 Pro Max storage can drop lower than a hard drive at 1.1 MB/s during heavy writes — QLC NAND offers higher capacity but reportedly suffers 38% drop compared to TLC-based Pro

Apple's use of QLC NAND allows the iPhone 18 Pro Max to offer higher storage capacity, but Homolab's testing highlights the potential performance trade-off under sustained writes.

Preview courtesy of Tom's Hardware. The full article opens on their site.