This product is either discontinued or we cannot get that from suppliers.
Lenovo SAS Drives (00WG700), Rotational Speed 10000 RPM, Capacity 1.2TB, FF 2.5 inch Internal, Hot Swap G3HS, Compatible With Lenovo x3500 M5 (Machine Type 5464).
This 10K RPM 12 Gb/s 2.5-inch Hot-Swap SAS drive offers the highest performance. It has outstanding reliability that enables operation in RAID environments without compromising application performance or availability.