The Western Digital WD Blue SN5000 1TB is the objective winner of this comparison, securing a victory in the only category where the two drives differ. While both storage components are identical across six of the seven measured specifications, the Western Digital WD Blue SN5000 1TB holds a distinct advantage in MSRP. This pricing benefit represents a 9% improvement over the Western Digital WD Black SN770 1TB, making it the more cost-effective option based on the provided data.

Users prioritizing the most favorable MSRP should select the Western Digital WD Blue SN5000 1TB, as it offers a clear financial advantage while matching the performance of its counterpart in every other measured category. Conversely, those who do not find the 9% pricing difference significant may view the Western Digital WD Black SN770 1TB as a viable alternative, given that it performs identically to the winning drive across all other technical specifications.