The Kingston KC3000 1TB is the objective winner of this comparison, securing victory in four out of seven evaluated specifications. Its most significant advantage is the inclusion of a DRAM cache, which represents a 100% improvement over the alternative. This hardware feature provides a distinct technical edge for the drive, ensuring it outperforms the competitor in the majority of measured categories while maintaining a superior architecture for data management tasks.

Choose the Kingston KC3000 1TB if your priority is the performance benefit provided by the integrated DRAM cache. Conversely, select the Western Digital WD Black SN770 2TB if your primary requirement is storage space, as it offers a 100% advantage in capacity. Your decision should rest on whether you value the technical efficiency of the cache or the doubled storage volume offered by the larger drive.