This product is either discontinued or we cannot get that from suppliers.
Lenovo Thinkpad 4XB0K59917, Drive Bay Adapter, Lenovo ThinkPad P Series Systems, Internal.
The ThinkPad M.2 SSD Tray is the dedicated tray for you to install the M.2 SSD to ThinkPad P serial systems. You could easily to upgrade the storage of your storage with this M.2 SSD and ThinkPad SSDs.