FortiGate-100F Firewall Appliance - 22 Gigabit Ethernet RJ45 Ports, 4 SFP & 2 10G SFP+ Ports, Dual Power Supplies (Appliance Only, No Subscription) (FG-100F)

Build & Physical QualityThe chassis is Fortinet-classic: metal, sturdy, and clearly meant for actual racks, not IKEA bookshelves pretending to be network closets. The cooling profile is conservative — not loud, not too warm, and nowhere near the “mini jet engine” some competitors insist on. Dual power supplies deserve applause; redundancy should not be a luxury tier.Deployment BehaviorSetup is predictable: boot, adopt your WANs, carve out VLANs, push policies, and the unit behaves exactly as the documentation suggests (a miracle in this industry). The switch-like RJ45 density is convenient for satellite offices where you don’t want to burn switch ports on router adjacency. The 10G SFP+ ports are perfect uplinks for core or distribution switching.Real-World UsagePerformance is excellent as long as you’re not expecting full UTM/IPS/SSL inspection without licenses. As a routing/Secure SD-WAN platform, it punches above its price. Failover behavior is fast and non-dramatic. It handles chatty IoT, VoIP, mesh AP backhauls, and weird legacy device traffic with a patient sort of competence.Surprises (Good & Bad)• Good:Thermals and stability are better than expected. The box doesn’t drift into unpredictable behavior even in moderately warm environments.• Bad:Without subscriptions, many of the front-panel LED labels become a silent reminder of features you don’t have. And yes, Fortinet’s licensing will eventually send you a bill that feels like a moral lesson.Safety, Stability & ThermalsThermals stay sane, even when stuffed next to chatty switches. Power redundancy is real — no fake “external PSU sold separately” nonsense. Firmware updates (when you actually perform them) are stable and don’t tend to brick the unit unless you ignore release notes like a daredevil.Where It Fits• SMBs wanting serious routing + SD-WAN without going full enterprise• Multi-site deployments where uptime matters• Environments with mixed vendor gear and moderate security needsWhere It Doesn’t• Heavy UTM/IPS environments without licensing• Very large enterprises needing multi-10G throughput across all security layers• Places where “we update firmware regularly” is just aspirational⸻Pros• Rock-solid stability and excellent thermals• Dual PSUs — actual redundancy, not marketing• Generous port count including 10G uplinks• Predictable deployment behavior• Serious routing/SD-WAN performance even without licenses• FortiOS is powerful once you accept that it has opinionsCons• Without subscriptions, it’s basically a very nice router with great hardware• Fortinet licensing can feel like an escape room puzzle• GUI can be a little “enterprise utilitarian”• Full UTM/SSL inspection performance requires careful sizing• firmware discipline recommended unless you enjoy surprises

Too notch product

Thank