This package contains the firmware for Western Digital Corp SN520 128GB, 256GB and 512GB Revision 20200012. Storage firmware is a microcode that is embedded on storage devices such as hard drives or solid-state drives. The firmware manages the functionality of the devices. This package is supported on Dell Alienware, Inspiron, Latitude, Optiplex, Vostro and XPS systems that run Windows 10 operating system. The package enhances the power management support capability of the solid-state drive (SSD).