You can insert the SSD to your TNAS at power on stage, and then go to Volume at TOS storage manager to enable SSD cache. Please do not create storage pool for your SSD.
SSDcache.png
To contact our team, please send email to following addresses, remember to replace (at) with @
Technical team: support(at)terra-master.com (for technical support)
Service team: service(at)terra-master.com (for purchasing, return, replacement, RMA service)