The Samsung 990 Pro 4TB wins in 5 out of 7 comparable specs, with 1 tie. Its biggest advantage is Capacity (100% better).
WD Black SN770 2TB wins in 1 spec (MSRP: 71% better).
Recommendation
Choose 990 Pro 4TB if you want the best overall performance — especially capacity.
Choose WD Black SN770 2TB if msrp matters more to you.
AI Versus Verdict
The Samsung 990 Pro 4TB is the objective winner of this comparison, securing victory in five out of seven evaluated specifications. Its most significant advantage over the competition is its storage capacity, which is 100% better than the alternative. By offering double the space, this drive provides a substantial increase in total data volume for demanding storage needs, establishing it as the superior choice for users prioritizing maximum capacity and overall technical performance.
The Western Digital WD Black SN770 2TB is the recommended option for budget-conscious buyers, as its primary advantage is an MSRP that is 71% better than the Samsung 990 Pro 4TB. Users who require a reliable storage solution while prioritizing a lower initial cost should select the Western Digital WD Black SN770 2TB. Conversely, those who need the expanded 4TB capacity and the technical advantages of the Samsung 990 Pro 4TB should choose that drive instead.
Generated by Gemini from the objective spec comparison above. AI advice is a summary, not a benchmark — always verify critical purchases.