Regarding input/output operations per second (IOPS), the 512GB version achieves up to 500K for reads and 850K for writes, and both the 1TB and 2TB versions achieve up to 750K for reads and 900K for writes. Western Digital offers a 5-year warranty for this product line, with total bytes written (TBW) endurance ratings of 150TB for the 512GB model, 300TB for the 1TB model, and 600TB for the 2TB model, equating to a warranty of 300TB of writes per terabyte of capacity.
Source: ithome