- Ports & Uplinks
- 48 × 1 GbE RJ-45 ports with PoE+
- One modular uplink slot supporting options such as 2 × 40 GbE or 4–8 × 10 GbE
- Performance
- Switching capacity: 256 Gbps
- Forwarding rate: 190.48 Mpps
- Stacking & Redundancy
- Up to 8 switches can be stacked with 480 Gbps physical stacking bandwidth
- StackPower enables shared, resilient power across stack
- Power & PoE Budget
- Includes a 715 W AC power supply (PSU) by default
- PoE budget: 437 W with primary PSU; 1,152 W with secondary PSU
- Layer 3 & Security Features
- Full Layer-3 functionality including routing (e.g., OSPF), VLAN segmentation, DHCP server and relay, IPv4/IPv6 ACLs, 802.1X, DHCP snooping, STP enhancements, and Adaptive Policy support
- Cloud Management
- Managed entirely via the Meraki Dashboard with features like zero-touch provisioning, per-port/client analytics, email alerts, firmware scheduling, and remote troubleshooting
- Physical & Environmental
- Form factor: 1U rack-mountable, with three hot-swappable fans
- Dimensions: ~1.73" × 17.5" × 17.7" (HxWxD)
- Weight: ~16.73 lb (7.59 kg)
- Operating range: –5 °C to 45 °C, 5% to 90% humidity
- Included in the Box
- 715 W AC power supply, rack-mount brackets, screw kit, cable guide, and three pre-installed fans
- Part Number : MS390-48P-HW
- Condition : REF/USED
