Sandisk SSD Plus 960Gb - how to check and install firmware in OSX

Just purchased and installed this SSD, and want to know how to check and if available install firmware updates. Seems that only the Windows crowd are catered for withthe Dashboard.

Details are:-

SanDisk SDSSDA960G:

  Capacity: 960.2 GB (960,197,124,096 bytes)

  Model: SanDisk SDSSDA960G                      

  Revision: Z33110RL

Many Thanks