Slower than an SD card under heavy load: iPhone 18 Pro Max's QLC storage gets tested

T2Covered by 1 source · first reported by Notebookcheck at 20 Sept, 23:22 UTC

HOMOLAB's FIO benchmarks show the 1TB iPhone 18 Pro Max's QLC storage can drop below microSD-card speeds once its cache is exhausted, with performance getting notably worse as the drive fills up

consumerhardware

Sources

• T2Slower than an SD card under heavy load: iPhone 18 Pro Max's QLC storage gets testedNotebookcheck20 Sept, 23:22