Name: MSN3420-CB2RO Mellanox Spectrum-2 MSN3420 Series 48 x Ports 25GbE + 12 x Port QSFP28 1U Rack-mountable Layer 3 Managed C2P Airflow Gigabit Ethernet Network Switch
Brand: Mellanox
SKU: MSN3420-CB2RO
Price: 29899.00 USD
Availability: InStock
Rating: 4.9 (108 reviews)

Product Overview
The MSN3420-CB2RO from Mellanox Spectrum-2 series is a versatile Layer 3 switch designed for data centers and enterprise networks. It combines a wide array of high-speed 25GbE and 100GbE ports in a compact 1U chassis, delivering both performance and density while supporting advanced routing protocols and efficient cooling through C2P airflow.

General Information
Brand	Mellanox
Part Number	MSN3420-CB2RO
Condition	Refurbished

Technical Information
Switch Ports	48 x 25GbE SFP28, 12 x QSFP28 (100GbE)
Number of Ports	48-Ports
Port Type	25G SFP28, 100G QSFP28, USB Console, Serial Console (RJ-45)
Port Speed	25GbE,100GbE
UpLink Ports	12 x QSFP28 (100GbE)
POE Support	No
Switching Capacity	4.8 Tbps (full-duplex, non-blocking aggregate: 48x25G + 12x100G = 2.4 Tbps per direction, 4.8 Tbps full duplex)
VLAN Support	Yes
Max VLANs Supported	Up To 4094
Stackable	No
Layer Support	Layer 3

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, OSPF, OSPFv3, BGP, VRRP, PIM-SM, IGMP
Remote Protocols	Yes
Management Interfaces	CLI (SSH/serial), SNMP, REST/NETCONF (vendor firmware dependent), Web UI (vendor dependent), USB Console, Serial Console (RJ-45)
Security Features	ACLs, RADIUS/TACACS+ support, 802.1X (features subject to OS/firmware), port security
Remote Management Protocol	SSH,SNMP,HTTP/HTTPS,REST (vendor/firmware dependent)

Power & Cooling
Fans	C2P (front-to-back) airflow, hot-swappable (vendor-specified fan modules)

Physical Characteristics
Weight	4.00

Product Description
The Mellanox Spectrum-2 MSN3420-CB2RO is a powerful network switch designed to handle demanding data center environments. Built for high-performance networking, it offers a combination of 25GbE and 100GbE ports ideal for aggregating traffic or connecting servers and storage with speed and reliability. Often found in enterprise data centers and cloud infrastructures, this switch supports advanced Layer 3 management, making it suitable for network engineers and IT teams who require flexibility and control over routing and traffic management. Key Features High-density 48 x 25GbE ports for extensive connectivity 12 QSFP28 ports capable of 100GbE uplinks or stacking Layer 3 capabilities including OSPF, BGP, and VRF support Efficient C2P airflow design to maintain optimal operating temperatures 1U rack-mount form factor saves data center space This switch is typically deployed in data centers where space and performance are critical, supporting large-scale virtualization and cloud applications. Its mix of port speeds and routing features help maintain smooth data flow and network segmentation. The MSN3420-CB2RO plays a vital role in modern network infrastructure by balancing high throughput with manageable cooling in a compact form.

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