MS390-48U-HW Meraki MS390 48GE L3 UPOE Switch.

Cisco Meraki MS390-48U-HW - Cloud-Managed Multigigabit Layer 3 Access Switch with PoE

The Cisco Meraki MS390-48U-HW is a cloud-managed Layer 3 access switch designed for enterprise and campus deployments that require multigigabit access and high PoE capacity. With 48 multigigabit Ethernet ports (supporting 1G/2.5G/5G speeds), a 740W PoE budget, and modular 10G/40G uplinks, it delivers high-performance switching, scalability, and centralized management through the Meraki Dashboard.

🔧 Key Specifications

• Switching Capacity: 640 Gbps
• Interfaces: 48x Gigabit Ethernet ports with UPoE support
• Uplink Options: Modular slots supporting 4x 10GbE SFP+ or 2x 40GbE QSFP uplinks
• Forwarding Rate: 476 Mpps
• Stacking: 480 Gbps stacking bandwidth with fast stack convergence
• PoE Budget: 740W total available power
• Layer 3 Features: Static routing, DHCP server, warm spare (VRRP), OSPF support
• Adaptive Policy: Segments traffic into security groups for scalable security enforcement
• Advanced Features: Layer 7 application visibility, QoS, 802.1X access control, virtual stacking
• Resiliency: Cisco StackPower for power sharing and redundancy across stack members
• Dimensions: 1.72” x 19.08” x 16.1” (4.38 x 48.46 x 40.9 cm)
• Weight: ~9.5 kg (21 lb)
• Power Supply: Hot-swappable PSU options, redundant configurations supported
• Management: Cloud-managed via Meraki Dashboard

🧩 Ideal Use Cases

• Enterprise or campus deployments needing multigigabit access for Wi-Fi 6/6E APs, servers, and high-bandwidth workstations
• Environments requiring PoE for large numbers of IP phones, cameras, and wireless APs
• Networks benefiting from adaptive policy enforcement and traffic segmentation
• Deployments needing resiliency with StackPower and fast stack convergence

⚙️ Licensing & Expansion

• Requires a Meraki Enterprise license for operation.
• Enables centralized management, monitoring, and advanced Layer 3 routing features through the Meraki Dashboard.