This is the newer WDS100T2B0B model.
According to WD spec sheets, the WDS100T2B0B using 3D NAND has slightly faster read/write than the WDS100T1B0B 560/530 vs 545/525 MB/s.
Please note: Interface is M.2 SATA III 6Gb/s, not NVMe.
Up to 560 MB/s read, 530 MB/s write. Endurance rating 400 TBW.
(Credit to mischlep @ Slickdeals)
Edit: my bad, GST added at checkout, price updated, thanks Ozrangutan
so is this SATA connection or what?