What is the switching capacity and latency of MSX6720-FS2F2?

The Mellanox MSX6720-FS2F2 provides 4Tb/s full-duplex non-blocking switching capacity across 36 QSFP+ FDR ports at 56Gb/s with port-to-port latency of 1.8ns. This enables wire-speed performance in HPC fabrics without bottlenecks.

What ports and speeds does this InfiniBand switch support?

Equipped with 36 QSFP+ ports supporting FDR 56Gb/s InfiniBand, configurable for 40/56GbE. QSFP28 compatible for high-density connectivity in data centers and scalable to larger topologies.

Is the MSX6720-FS2F2 suitable for HPC deployments?

Yes, optimized for HPC with SwitchX-2 architecture, adaptive routing, congestion control, and 1.8ns latency. Powers clusters for scientific simulations, AI training where low-latency RDMA is critical.

What management and security features are included?

Features x86 dual-core CPU for advanced management, web/CLI interfaces, up to 16K L2 MACs, QoS, 128-bit GCMP encryption, and DDoS protection for secure, efficient operation.

What power and cooling options does it have?

Dual redundant hot-swappable AC power supplies with auto-reset, BBU ready for power resilience, rear-to-front airflow, and thermal safeguards for 24/7 reliability under full load.

What form factor and accessories are provided?

1U rackmount standard depth chassis with rail kit, rear-to-front airflow. Includes 2x AC PSUs; BBU optional for enhanced uptime in mission-critical environments.

MSX6720-FS2F2 - Mellanox MSX6720-FS2F2 36 QSFP+ 4Tb/s FDR SwitchX-2

Name: Mellanox MSX6720-FS2F2 36 QSFP+ 4Tb/s FDR SwitchX-2
Brand: Mellanox
SKU: MSX6720-FS2F2
Price: 308 USD
Availability: InStock

MSX6720-FS2F2 - Mellanox MSX6720-FS2F2 36 QSFP+ 4Tb/s FDR SwitchX-2 | US IT Hardware

Product overview

The Mellanox MSX6720-FS2F2 is a high-performance SwitchX-2 based FDR InfiniBand 1U switch designed for demanding data center, HPC clusters, and hyperscale cloud environments. It features 36 QSFP+ ports supporting 56Gb/s FDR speeds with aggregate 4Tb/s non-blocking switching capacity and ultra-low 1.8ns port-to-port latency. Powered by an x86 dual-core processor, it handles up to 16K L2 MAC addresses, adaptive routing, congestion control, and QoS for optimal traffic management. Security includes 128-bit GCMP encryption and DDoS protection. Dual redundant AC power supplies with auto-reset, BBU readiness, rear-to-front airflow, and rail kit ensure reliability and easy deployment in rack-scale fabrics. Ideal for low-latency east-west traffic in AI, scientific computing, and storage fabrics.

4Tb/s aggregate switching throughput non-blocking.
1.8ns port-to-port latency for ultra-low delay.
36 QSFP+ ports at 56Gb/s FDR InfiniBand speed.
x86 dual-core CPU with 16K L2 MAC addresses.
Dual redundant AC PSUs, BBU ready design.
128-bit GCMP encryption and DDoS protection.

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	MSX6720-FS2F2
Brand	Mellanox
Condition	Refurbished
RoHS	RoHS6 Compliant
Model	SX6720
Rail Kit	Included
Management	Web UI, CLI, QoS
Product Line	SwitchX-2
Product Type	InfiniBand Switch
MAC Addresses	16K L2

Processor

Compatible systems

InfiniBand FDR ecosystem; pairs with Mellanox/NVIDIA HCAs, FDR transceivers for rack-scale fabrics.

Generic HPC Servers
Model: Any with FDR HCA
Form factor: 1U Rack
Connects via QSFP+ cables to Mellanox ConnectX-3/4 HCAs.

Best for

HPC Clusters
Delivers 1.8ns latency and 4Tb/s throughput for high-speed interconnects in supercomputing environments.
Data Center Spine/Leaf
Scalable 36 QSFP+ ports support FDR InfiniBand fabrics for east-west server-to-server traffic.
Hyperscale Cloud
Non-blocking architecture with congestion control optimizes massive-scale cloud workloads.
AI/ML Training
Ultra-low latency enables efficient GPU cluster communication in machine learning pipelines.
Storage Fabrics
High-bandwidth FDR links accelerate parallel storage access in distributed systems.
Financial Modeling
Sub-microsecond latency supports real-time high-frequency trading and risk analysis.

Details

Shipping, warranty & returns

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Latency	1.8ns port-to-port
Port Speed	FDR 56Gb/s InfiniBand
Switching Capacity	4Tb/s non-blocking full-duplex

BBU Support	Ready
Power Supplies	2x Hot-Swap AC Redundant

Mellanox MSX6720-FS2F2 36 QSFP+ 4Tb/s FDR SwitchX-2

Product overview

Featuring

Processor

Compatible systems

Best for

Details

Shipping, warranty & returns

Customer reviews

Network & Communication

Security

Power Consumption

Physical Characteristics

Environmental

Interface/Ports

Frequently asked questions