Fortinet FortiGate 121G Firewall, Hardware Only (FG-121G)

A branch that runs 10 GbE switching internally — fibre uplinks, dense SFP cages, multi-gig WAN — needs a firewall that keeps pace across all those interfaces, not just the WAN port. The FortiGate 121G (FG-121G) delivers that: Fortinet’s SP5 SoC, 5.3 Gbps IPS, 3 Gbps SSL inspection, 8 × GE SFP plus 4 × 10GE SFP+ slots, and 480 GB of onboard SSD in a single 1RU chassis.

What’s in the box

The FG-121G ships as a 1RU rack-mount appliance with FortiOS pre-installed, rack ears included, and dual AC power supplies fitted for 1+1 redundancy. The 480 GB SSD is factory-installed. No FortiCare or FortiGuard subscription is bundled at this price. Transceivers for the SFP and SFP+ slots are sold separately.

Hardware Specifications

Where the 121G earns its place

The four 10GE SFP+ slots provide real core connectivity: terminate two ISP fibre circuits, connect two 10 GbE distribution switches, and still have slots available for a DMZ segment — all at line rate. The 8 GE SFP cages add flexible fibre access-layer connectivity on top of the 16 copper switch ports. At 3 Gbps SSL inspection capacity, the unit decrypts and scans a substantial portion of a saturated multi-gigabit link. The 480 GB SSD stores months of logs locally, which matters for compliance frameworks requiring on-premises retention and for forensic work when the WAN is unreliable. Dual power supplies in 1+1 configuration survive a single PSU failure without an outage.

Hardware only vs. a bundle

The FG-121G enforces firewall policy without a subscription, but FortiGuard services — IPS signatures, AV, web and DNS filtering, FortiCare support — require an active license (FC-10-F121G- prefix). If you need hardware and licensing together, a UTP or Enterprise bundle typically offers better total cost than purchasing independently.

Who runs it

Mid-market sites with a 10 GbE access layer that require more interface density than the 90G tier provides. Regional data centers running SD-WAN spoke aggregation across multiple fibre circuits. Compliance environments — finance, healthcare, professional services — where 480 GB of on-box log storage is a firm requirement. Sites where the combination of SFP fibre flexibility, dual PSU redundancy, and on-premises audit trails justifies the step above the 120G.

Moving up: FortiGate 200F

The FG-200F raises the inspection ceiling further — 5 Gbps IPS, 4 Gbps SSL, and 3-million session capacity on the NP6XLite + CP9 platform — for sites that have exhausted the SP5 tier’s throughput budget.

Buying from DataCenter360.ca

DataCenter360.ca stocks the FG-121G in Canadian inventory and ships factory-sealed units with full Fortinet Canada warranty. As an authorized Fortinet Select Partner, we provide direct escalation to Fortinet Canada support. Free delivery reaches every province in 0–1 business days.

Frequently Asked Questions