To add a greater hard drive to a Synology DS418play NAS, power off the gadget, eliminate the littlest existing drive, embed another bigger drive in its place, then utilize the Capacity Chief in the DSM connection point to supplant the drive inside your capacity pool, basically "growing" your capacity limit by supplanting a more modest drive with a bigger one; try to adhere to the on-screen guidelines and pick the proper Strike type to keep up with information overt repetitiveness if vital.
How to Add Bigger Hard Drive to Synology DS418Play Nas?