I will prefer Cisco FPR 1120 for SMB as it is power of CISCO and no renewal fee for firewall subscription.

Priority as below 1. Best choice: CISCO FirePower 1120 as it is a strong FW and not necessary to renew the subscription if you just need a firewall. 2. Powerful but expensive: Palo Alto Networks PA or Check Point: small series and you have to renew subscription yearly. 3.…