The Western Digital WD Black SN8100 1TB is the objective winner of this comparison, securing more category victories than its counterpart. Its most significant technical advantage is its sequential read speed, which outperforms the Western Digital WD Black SN770 1TB by 189 percent. While the SN770 offers a notable benefit in its MSRP, which is 69 percent better than the SN8100, the latter provides superior performance capabilities across the majority of the measured specifications.

Users prioritizing raw data throughput and high-speed performance should select the Western Digital WD Black SN8100 1TB for their storage needs. Conversely, the Western Digital WD Black SN770 1TB is the better choice for budget-conscious buyers who value a lower MSRP over the increased sequential read speeds offered by the higher-performing model. Choosing between these two drives depends entirely on whether your primary requirement is maximum speed or cost efficiency.