The Samsung 9100 Pro 1TB is the objective winner of this comparison, securing victories in four out of seven evaluated specifications. Its most significant technical advantage is its sequential write performance, which is 102% better than the alternative. By outperforming in the majority of measured categories, this drive establishes itself as the superior option for users prioritizing raw speed and technical efficiency in their storage hardware.

Choose the Samsung 9100 Pro 1TB if your primary requirement is high-speed sequential write performance for demanding tasks. Conversely, select the Western Digital WD Black SN850X 4TB if your workflow necessitates maximum storage space, as it offers a 300% advantage in total capacity. Each drive serves a distinct purpose, with one focusing on superior write throughput and the other providing significantly more room for large-scale data storage.