Switch ports/stacking ports
MS390-48: 48 x 1GbE
MS390-48P: 48 x 1GbE PoE+
MS390-48U: 48 x GbE UPoE
MS390-48UX: 36 x 2.5GbE UPoE + 12 x mGbE UPoE
MS390-48UX2: 48 x 5GbE UPoE
2 × 40G or 4/8 × 10G modular fiber uplinks
Stack up to 8 units
480 Gbps of physical stacking

Power/PoE
All models include a power supply
Modular power supply/fans
StackPower

Hardware platform
Reliable platform with 24/7 Meraki Support
1RU rack mountable
Flexible mounting options
Non-blocking switch fabric

Cloud management
Email alerts for switch management
Remote troubleshooting tools
Manage ports from a GUI-based dashboard
Zero-touch provisioning
Per-port and per-client usage statistics
Secure, user-scheduled firmware updates

Switching capabilities
Layer 3
OSPF Routing
MAC forwarding entries, up to 96k
DHCP Server, DHCP Relay
802.1X Authentication
DHCP Snooping
STP Enhancements
IPv4 and IPv6 ACLs
Adaptive Policy