Upgrading HP Microserver GEN10

[quasarlex]

Hi,

i need to add extra disks to my HP microserver GEN10 (4 bay)

Is it a good idea to buy a SAS controller AND something like this ? This particular cage is designed for HP ML110. The idea is to have a SAS pci plug to connect the external cage and an extra power supply

 

[quasarlex]

Forgot to say, the idea for the sas controller was this