How many ports does the Dell M3601Q provide?

The M3601Q is a 32-port InfiniBand switch blade. Its port layout is split into 16 internal ports and 16 external ports, which supports both blade connectivity inside the enclosure and uplink connectivity outside it.

What is the port speed of this switch module?

The module is specified as a 40Gb/s InfiniBand blade switch I/O module. The product brief also states that it delivers up to 40Gb/s full bisectional bandwidth per port, which is the key speed figure provided in the data.

What switching capacity is listed for the M3601Q?

The provided specifications list 2.56Tb/s switching capacity. This capacity figure is paired with the module’s 32-port, 40Gb/s design and is relevant for planning enterprise and HPC fabric deployments.

How is the port layout divided on this module?

The module includes 16 internal ports and 16 external ports. That split is documented for the Dell M1000e and PowerEdge M-Series blade switch I/O module, making it suitable for enclosure-based connectivity planning.

How many I/O module slots does the M3601Q use?

The module occupies two I/O module slots. The documentation also notes default placement in slot C1, occupying B1 and C1, with alternate placements possible in other specified slot combinations.

M3601Q - Dell M3601Q 32-port 40Gb/s InfiniBand Switch Module

Name: Dell M3601Q 32-port 40Gb/s InfiniBand Switch Module
Brand: Dell
SKU: M3601Q

M3601Q - Dell M3601Q 32-port 40Gb/s InfiniBand Switch Module | US IT Hardware

Product overview

Dell M3601Q is a 40Gb/s InfiniBand blade switch I/O module for PowerEdge M-Series environments. It is a 32-port switch blade with 16 external ports and 16 internal ports for blade connectivity in the enclosure. The module is designed for enterprise data center and high-performance computing fabrics, where low latency and high bandwidth are required. It delivers up to 40Gb/s full bisectional bandwidth per port and has a switching capacity of 2.56Tb/s. Documented features include adaptive routing, congestion control, and Quality of Service enforcement. The module is hot pluggable and occupies two I/O module slots in the chassis. For Dell M1000e deployments, the module can be installed in specific slot combinations, with the default placement in I/O module slot C1 occupying B1 and C1.

32 ports for InfiniBand connectivity
40Gb/s per port bandwidth
2.56Tb/s switching capacity
16 internal and 16 external ports
Hot pluggable I/O module
Uses two I/O module slots

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Featuring

Manufacturer part #	M3601Q
Brand	Dell
Condition	New
Model	M3601Q
Series	PowerEdge M-Series
Generation	Fourth generation InfiniScale
Part Class	Blade enclosure switch module
Technology	QDR InfiniBand
Fabric Type	High bandwidth, low latency InfiniBand fabric for clustered applications
Form Factor	Blade switch module for Dell PowerEdge M1000e chassis
Switch ASIC	Mellanox InfiniScale IV

Compatible systems

M3601Q is an InfiniBand switch blade for Dell PowerEdge M1000e enclosures and M-Series blade servers

Dell PowerEdge
Model: M1000e
Form factor: Blade enclosure
M3601Q switch blade specifically designed for Dell PowerEdge M1000e-series Blade Enclosures
Dell PowerEdge
Model: M-Series blades
Form factor: Blade servers
Provides InfiniBand connectivity for Dell PowerEdge M-Series blade servers installed in M1000e chassis

Best for

Enterprise fabric
Designed for enterprise data center environments that use InfiniBand switching in PowerEdge M-Series systems. The module provides 32 ports and up to 40Gb/s full bisectional bandwidth per port.
HPC clusters
Suitable for high-performance computing environments that require low-latency fabric connectivity. Its 2.56Tb/s switching capacity supports dense blade deployments.
Blade chassis integration
Built as an I/O module for Dell PowerEdge M-Series blade systems and occupies two I/O module slots. It includes both internal and external ports for enclosure connectivity.

Details

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Intended Use	Enterprise data centers and clustered applications

Power Source	Powered from Dell PowerEdge M1000e chassis midplane

Product Line	InfiniScale IV

Product Type	40Gb/s InfiniBand blade switch I/O module

Routing Support	Static routing

Non-blocking Fabric	Fully non-blocking at all port speeds

Enclosure Compatibility	Dell PowerEdge M1000e-series blade enclosures; PowerEdge M-Series

Non-blocking Architecture	32 auto-negotiating 10, 20, 40Gb/s fully non-blocking ports

Performance

Latency	Low latency InfiniBand switching
Media Type	Optical fiber via QSFP+ modules
Switch Bandwidth	2.56Tb/s bisectional switching capacity
Per-port Bandwidth	Up to 40Gb/s per port full bisectional bandwidth

Networking Ports & Interfaces

Port Type	QSFP+ InfiniBand ports
Port Speed	10, 20, 40Gb/s InfiniBand
Port Data Rates	SDR 10Gb/s, DDR 20Gb/s, QDR 40Gb/s
Protocol Support	InfiniBand
External Uplink Ports	16 external 4x InfiniBand uplink ports
InfiniBand Port Count	32 4x InfiniBand ports
Total InfiniBand Ports	32 InfiniBand ports
Expansion Slots Details	32 QSFP+ slots
Internal InfiniBand Ports	16 internal InfiniBand ports to server blades
Internal Server-facing Ports	16 internal 4x InfiniBand ports to blade slots
Ethernet Standard (marketing)	40 Gigabit Ethernet capable via QSFP+
External InfiniBand Uplink Ports	16 external uplink InfiniBand ports

Dell M3601Q 32-port 40Gb/s InfiniBand Switch Module