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Mellanox Spectrum-2 MSN3420-CB2RC Switch - 48 x 25 Gigabit SFP28 + 12 x 100 Gigabit QSFP28

Mellanox Spectrum-2 MSN3420-CB2RC Switch - 48 x 25 Gigabit SFP28 + 12 x 100 Gigabit QSFP28

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Mellanox Spectrum-2 MSN3420-CB2RC Switch - 48 x 25 Gigabit SFP28 + 12 x 100 Gigabit QSFP28
Mellanox Spectrum-2 MSN3420-CB2RC Switch - 48 x 25 Gigabit SFP28 + 12 x 100 Gigabit QSFP28
Mellanox Spectrum-2 MSN3420-CB2RC Switch - 48 x 25 Gigabit SFP28 + 12 x 100 Gigabit QSFP28
Mellanox Spectrum-2 MSN3420-CB2RC Switch - 48 x 25 Gigabit SFP28 + 12 x 100 Gigabit QSFP28
Mellanox Spectrum-2 MSN3420-CB2RC Switch - 48 x 25 Gigabit SFP28 + 12 x 100 Gigabit QSFP28
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Mellanox Spectrum-2 MSN3420-CB2RC Switch - 48 x 25 Gigabit SFP28 + 12 x 100 Gigabit QSFP28

MSN3420-CB2RC
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As data center switching architectures increasingly adopt 100GbE, the SN3420switch offers a high-performance, cost-effective way to evolve host connectivityfrom 10G to 25G. Equipped with 48 ports of 10/25GbE and 12 ports of up to 100GbEand utilizing 25G NRZ per lane in a compact 1U form factor, the SN3420 is an idealtop-of-rack (ToR) switch platform, delivering a total throughput of up to 2.4Tb/swith a processing capacity of 3.58Bpps. The SN3420 enables the seamless use ofQSFP28 connections for leaf-spine topology and future-proofing the data center.

Details
NVIDIA SN3000 Front

NVIDIA Spectrum SN3000 series resources

Flexibility and Performance for Data Center Networks

The NVIDIA Spectrum™ SN3000 switches, powered by the second-generation Spectrum ASIC, are purpose-built for leaf, spine, and super-spine topologies. They offer flexible port speeds from 1 to 200Gb/s and a port density that supports full-rack connectivity for any server at any speed.

NVIDIA SN3000 Side View
 

Built for modern, agile data centers

SN3000 switches deliver consistent low latency, full throughput, and advanced features tailored for modern software-defined data centers.

  • Flexible port speeds from 1Gb/s to 200Gb/s for seamless integration.
  • High port density to maximize server connectivity within a rack.
  • Support for cloud-scale Layer 2 and Layer 3 networking.
  • Designed for SDN environments with advanced automation support.
  • Ideal for web-scale IT, hyperconverged storage, and data analytics workloads.
NVIDIA SN3000 Fabric Integration

Open Ethernet: Network disaggregation for full control

With Open Ethernet, NVIDIA Spectrum switches break vendor lock-in, offering freedom to choose the best operating system for your needs. This flexibility enables efficient network operation, optimized ROI, and seamless integration with open-source ecosystems.

  • Freedom to select preferred network OS—no vendor lock-in.
  • Open-source ecosystem aligned with modern data center strategies.
  • Supports interoperability across network infrastructure.
  • Enhances operational efficiency and ease of management.
  • Multiple form factors and rich software support for tailored deployment.
Open Ethernet Ecosystem
Tech Specs

Tech Specs & Customization

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Switch Model

  • MSN3420-CB2RC

Brand & Manufacturer

  • Brand: Mellanox
  • Product Line: Mellanox Spectrum-2
  • Manufacturer: NVIDIA Corp

Ports

  • Port Quantity: 60
  • Port Type: 25 Gigabit SFP28
  • Ports Type (2nd): 100 Gigabit QSFP28
  • Interface: 48 x 25Gbit LAN SFP28, 12 x 100Gbit LAN QSFP28
  • 1 x management (Gigabit LAN) RJ-45
  • 1 x serial RJ-45
  • 1 x USB

Performance

  • Latency: 425 ns
  • Packets per Second: 3.58 Bpps
  • Throughput: 4.8 Tbps
  • Jumbo Frame Support: 9216 bytes
  • Packet Buffer: 42MB

Memory

  • RAM Installed: 8 GB
  • Built-in SSD: 32 GB

Remote Management

  • CLI, HTTP, HTTPS, SNMP 1/2/3, Telnet

Routing Protocols

  • BGP, OSPFv2, Static IPv4 routing, VRRP

Power & Cooling

  • Power Supplies Installed: 2
  • Power Supplies Supported: 2
  • Redundant Power Supply Supported: 1+1
  • Hot-plug
  • Frequency: 50/60Hz
  • Hot-swappable Fans: 3

Operating Conditions

  • Temperature: 32–104ºF (Operating), -40–158ºF (Storage)
  • Humidity: 5–85%

Form Factor

  • Rack-mountable

Standards Compliance

  • IEEE 802.1ab, 802.1Q, 802.1Qaz, 802.1Qbb, 802.1w, 802.1x
  • IEEE 802.3ad, 802.3x

Software & Features

  • Software Type: Cumulus Linux
  • Features: ACL, DCBX, DHCP relay, Event log, Flow control, IGMP snooping
  • IPv6, LLDP, Load balancing, MSTP, Non-blocking ports, Port mirroring
  • PFC, RADIUS, PVRST+, RSTP, sFlow, Syslog, VLAN

Recommended Support

Maximize performance and simplify IT operations with NVIDIA Networking Services. From smart deployments to comprehensive support, NVIDIA offers unmatched assistance. Learn more at www.nvidia.com/networking.

Product Information

  • Airflow Direction: Front to back
  • Authentication Method: LDAP, RADIUS, SSH2, TACACS+
  • Device Type: Internal power supply
  • Packaged Quantity: 1

Included Items

  • Rack rails kit

Dimensions & Weight

  • Height: 1.7 inch
  • Height (Rack Units): 1U
  • Width: 16.9 inch
  • Depth: 17 inch

Physical Characteristics

  • Color Category: Black

Certifications & Listings

  • CB, cTUVus, FCC, ICES, RCM, VCCI
  • ENERGY STAR Certified: No
  • EPEAT Compliant: No
  • TCO Certified: No

Service & Support

  • Service & Support Details: Limited warranty - 1 year
  • Limited Warranty: 1 Year
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