A solid-state drive (SSD) is a high-performance data storage device that stores data in solid-state flash memory. It stores the SD-WAN software and user data.
For SD-WAN 410 appliance, the on-board SATA disk controller must support at least two devices. Support for SATAv3 (6 Gbps) is available.
Replacement solid-state drives (SSDs) contain a pre-installed version of the SD-WAN software.