The Lexar NM1090 Pro 2TB wins in 4 out of 7 comparable specs, with 2 ties. Its biggest advantage is Sequential Write (97% better).
WD Black SN850X 4TB wins in 1 spec (Capacity: 100% better).
Recommendation
Choose NM1090 Pro 2TB if you want the best overall performance — especially sequential write.
Choose WD Black SN850X 4TB if capacity matters more to you.
AI Versus Verdict
The Lexar NM1090 Pro 2TB 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 97% better than that of the alternative. This substantial lead in write speed makes the Lexar NM1090 Pro 2TB the superior choice for users who prioritize rapid data transfer and high-speed write operations over total storage volume.
The Western Digital WD Black SN850X 4TB is the ideal selection for users who require maximum storage space, as it offers a 100% capacity advantage over the Lexar NM1090 Pro 2TB. While the Lexar NM1090 Pro 2TB is better suited for tasks demanding high-speed sequential writes, the Western Digital WD Black SN850X 4TB is the better option for those who need to store large amounts of data on a single drive.
Generated by Gemini from the objective spec comparison above. AI advice is a summary, not a benchmark — always verify critical purchases.
