FS-348G is part of the FortiSwitch portfolio for access and campus, with standalone management or integration through FortiLink depending on the chosen architecture.
Key features
Access and campusIntended use according to the official FortiSwitch family.
FortiLinkManagement integrated with FortiGate when included in the design.
Secure NetworkingNetworking and security addressed within a coordinated architecture.
Technical specifications
Interfaces
Access ports
24 × RJ45 2.5/1 GbE and 100/10 Mb/s; 24 × RJ45 1 GbE and 100/10 Mb/s
Uplinks
4 × SFP+/SFP 10/1 GbE
Dedicated management port
1 × Ethernet 10/100 Mb/s
Console
1 × RJ45 serial
Power and PoE
PoE ports and standards
Does not provide PoE output
Power input
100–240 V AC, 50/60 Hz
Power supply
Built-in AC power supply
Power redundancy
Redundant AC power supply
Power consumption
69.6 W (maximum)
Performance and capacity
Switching capacity
248 GbpsDuplex value published in the datasheet; the detailed measurement methodology is not stated.
Forwarding rate
369 MppsDuplex value published in the datasheet; the detailed measurement methodology is not stated.
Network latency
< 1 µsDatasheet value; packet and load conditions not specified.
MAC address table
32K
Supported VLANs
4K
Ports per aggregation group
6
Link aggregation groups
31
Packet buffer
3 MB
RAM
2 GB DDR4
Flash storage
16 MB SPI NOR
Additional storage
8 GB eMMC
Spanning Tree instances
32
Routing
IPv4 / IPv6 route entries
38K / 38K
IPv4 / IPv6 host entries
6K / 6K
Installation and environment
Form factor and installation
19-inch rack, 1U
Dimensions (H × D × W)
44 × 310 × 440 mm
Weight
4.5 kg
Heat dissipation
237.38 BTU/h
Operating temperature
0 to 45 °C
Storage temperature
−40 to 70 °C
Relative humidity
5% to 95%, non-condensing
Airflow
Front and left-side to rear airflow
Noise / cooling
57.01 dBA
MTBF
More than 10 years
Management and security
TPM module
Built-in
Management
Standalone mode or management integrated with FortiGate through FortiLink
FortiLink Stacking
Automatic interconnections between switches in the FortiLink topology
Documentation
Document reference
04/09/2026 · FS-CAM-DAT-R17-20260904
Figures published by the manufacturer. Final sizing depends on the environment, enabled services and traffic profile.
