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Product Line: Mellanox Technologies MSB7790-EB2F
Product Type: switch
Original price $0.00 - Original price $2,001.00
Original price
$0.00 - $2,001.00
Current price $2,001.00
Title: Used

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Product Description

The MSB7790-EB2F from Mellanox Technologies is a Switch-IB™-based InfiniBand switch featuring 36-port QSFP28 EDR connectivity in a 1U chassis, designed for high-performance computing environments. It offers a non-blocking switching capacity of 7.2Tb/s, supports adaptive routing and congestion control, and is compatible with passive copper or active fiber cables. This switch is optimized for efficiency with a hot-swappable fan unit, operates within a temperature range of 0ºC to 45ºC, and consumes approximately 122W of power with passive cables.

Key Feature for the MSB7790-EB2F

  • What is the switching capacity of the Switch-IB™-based 36-port QSFP28 EDR 1U?
    The switching capacity is 7.2Tb/s.
  • Does the Switch-IB™-based 36-port QSFP28 EDR 1U support adaptive routing?
    Yes, it supports adaptive routing.
  • What type of airflow does this switch system utilize?
    It uses P2C (port to CPU) airflow.
  • Can the Switch-IB™-based 36-port QSFP28 EDR 1U be rack-mounted?
    Yes, it is designed for 19’’ rack mounting in a 1U chassis.
  • What are the power requirements for this switch system?
    The input range is 100-127 VAC, 200-240VAC with a frequency of 50-60Hz, single phase. AC requirements are 4.5A for 100-127 VAC and 2.9A for 200-240 VAC.
  • Is port mirroring available on the Switch-IB™-based 36-port QSFP28 EDR 1U?
    Yes, port mirroring is a feature of this switch system.
  • What types of cables are compatible with the QSFP28 connectors?
    It supports both passive copper and active fiber cables.
  • What is the typical power consumption with passive cables?
    The typical power consumption with passive cables is 122W.
  • What operating temperature range does the Switch-IB™-based 36-port QSFP28 EDR 1U support?
    The operating temperature range is from 0ºC to 45ºC.
  • Is the fan unit of the Switch-IB™-based 36-port QSFP28 EDR 1U hot-swappable?
    Yes, the fan unit is hot-swappable.

Product Review

The Mellanox Technologies MSB7790-EB2F InfiniBand switch offers a high-capacity, non-blocking switching capability of 7.2Tb/s across 36 QSFP28 EDR ports, suitable for demanding data center environments. It supports advanced features such as adaptive routing, congestion control, and port mirroring, enhancing network efficiency and reliability. However, its reliance on external management and the specific requirements for passive copper or active fiber cables may limit flexibility in certain deployments.


The Mellanox Technologies MSB7790-EB2F is a high-performance, InfiniBand switch system that facilitates efficient data transfer and communication across networks. This switch is built upon the advanced Switch-IB™ technology and is designed to cater to the demanding requirements of data centers, offering a non-blocking switching capacity of 7.2Tb/s. It is equipped with 36 ports using QSFP28 connectors, supporting both passive copper and active fiber cables, which makes it versatile for various network infrastructure needs. This 1U switch is externally managed and designed to fit within a standard 19’’ rack, with a short depth and a P2C (port to cooling) airflow configuration that ensures optimal cooling even in dense rack environments. The switch's compliance with IBTA (InfiniBand Trade Association) versions 1.21 and 1.3 guarantees compatibility with a wide range of InfiniBand standards, ensuring a reliable and consistent network performance. Key hardware specifications of the MSB7790-EB2F include: - A large linear forwarding database with 4x48K entries, which facilitates efficient data routing and management across the network. - Adaptive routing and congestion control mechanisms that optimize network traffic flow, preventing bottlenecks and ensuring smooth data transmission. - The ability to support 9 virtual lanes (8 data plus 1 management), which enhances the switch's flexibility in handling different types of network traffic. Moreover, the switch supports a wide range of MTU (Maximum Transmission Unit) sizes, from 256 to 4Kbytes, allowing for customization based on network requirements and ensuring efficient data packets transmission. It also features port mirroring, which is essential for network monitoring and diagnostics. The MSB7790-EB2F is designed for ease of maintenance and durability, featuring a hot-swappable fan unit that ensures continuous operation and minimal downtime. The device adheres to RoHS-6 directives, highlighting its commitment to environmental sustainability. In terms of physical specifications, the switch dimensions are 1.7’’ in height, 16.85’’ in width, and 27’’ in depth, with a weight of 11kg (24.2lb), making it compact yet sturdy for enterprise deployments. It operates within a voltage input range of 100-127 VAC and 200-240VAC, with a frequency of 50-60Hz in a single-phase AC. The typical power consumption with passive cables (ATIS) is 122W, indicating its efficiency in energy use. The operating temperature range of the switch is from 0ºC to 45ºC, with a non-operating temperature range of -40ºC to 70ºC. This wide temperature range ensures the switch's reliability and performance stability in various environmental conditions. In summary, the Mellanox Technologies MSB7790-EB2F InfiniBand switch system combines high throughput, flexibility, and reliability, making it an ideal solution for modern data centers requiring efficient, high-speed data transmission and networking capabilities.


Part NumberMellanox Technologies MSB7790-EB2F
Product Category36-Port QSFP28 EDR InfiniBand Switch, Switch-IB™-based, 1U Size
Switching Capacity7.2Tb/s Non-Blocking
Power Supply Units2
Chassis DepthShort
Airflow DirectionPort to Cable (P2C)
Environmental ComplianceRoHS-6
Mounting Option19-inch Rack, 1U Height
Compliance StandardsIBTA 1.21, 1.3
Virtual Lanes8 Data, 1 Management
Supported MTU256 bytes to 4Kbytes
Network FeaturesAdaptive Routing, Congestion Control
Additional FeaturesPort Mirroring, 4x48K Linear Forwarding Database
Connector TypeQSFP28
Cable CompatibilityPassive Copper, Active Fiber
DimensionsHeight: 43.6mm, Width: 428mm, Depth: 685.8mm
Voltage Input100-127VAC, 200-240VAC
Power Frequency50-60Hz, Single Phase
Current ConsumptionAC, 4.5A at 100-127V, 2.9A at 200-240V
Power Usage with Passive CablesTypical: 122W (ATIS)
Operating Temperature Range0ºC to 45ºC
Storage Temperature Range-40ºC to 70ºC
Fan UnitHot-Swappable

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