UFS 3.0 was unveiled a year ago, but we're yet to see phones use it. Rumor has it that the next OnePlus phone will make the switch from the current UFS 2.1 to 3.0. @IceUniverse posted a screenshot of a storage benchmark and it looks quite impressive. Upcoming OnePlus with UFS 3.0 OnePlus 6T with UFS 2.1 The new standard promises to be twice as fast (while using less power to boot). Here's a quick comparison with the current OnePlus 6T (UFS 2.1), the improvement is significantly higher than 2x. The sequential speeds and the random write in particular show massive...
Source: https://www.gsmarena.com/next_oneplus_may_feature_ufs_30_storage_early_benchmark_shows_huge_improvment-news-34958.php