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Product Line: Mellanox MSB7890-ES2F
Product Type: Switch
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Original price $0.00 - Original price $2,666.00
Original price
$0.00 - $2,666.00
Current price $0.00
Title: Surplus

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Product Description

The MSB7890-ES2F Mellanox is a Switch-IB 2 based EDR 1U switch featuring 36 QSFP28 ports and supports a high 7.2Tb/s aggregate switch throughput with a low 90ns switch latency. It is designed for efficiency with 122W typical power consumption, 1+1 redundant & hot-swappable power supplies, and N+1 redundant & hot-swappable fans, ensuring continuous operation. The switch is equipped with P2C airflow, a rail kit for installation, and conforms to IBTA 1.21 and 1.3 standards, making it suitable for high-performance computing and enterprise data centers.

Key Feature for the MSB7890-ES2F

  • What is the aggregate switch throughput of the Switch-IB 2 based EDR 1U switch?
    The aggregate switch throughput is 7.2Tb/s.
  • How many QSFP28 ports does the switch have?
    It features 36 QSFP28 ports.
  • What type of airflow system does it use?
    The switch uses a P2C airflow system.
  • Can you explain the power supply features of this switch?
    The switch comes with 2 Power Supplies (AC), featuring 1+1 redundant & hot-swappable power.
  • What is the typical power consumption of the Switch-IB 2 based EDR 1U switch?
    It has a typical power consumption of 122W.
  • Is the switch managed or unmanaged?
    The switch is unmanaged.
  • What are the physical dimensions of the Switch-IB 2 based EDR 1U switch?
    Dimensions are 1.7’’ (43.6 mm) H x 16.85’’ (428mm) W x 27’’ (685.8mm) D.
  • What rack size is the switch compatible with?
    It is compatible with a 19’’ rack mountable 1U chassis.
  • What is the switch latency?
    The switch latency is 90ns.
  • What operating temperatures is the switch designed to withstand?
    The operating temperature ranges from Min 0ºC to Max 45ºC, with a non-operating range of -40ºC to 70ºC.

Product Review

The Mellanox MSB7890-ES2F Switch-IB 2 EDR 1U switch offers high performance with its 7.2Tb/s aggregate throughput and low 90ns latency, making it suitable for environments requiring fast data processing. However, its unmanaged nature limits customizability and control, a potential drawback for networks needing fine-tuned configurations. It features dual power supplies and N+1 redundant fans, enhancing reliability and uptime for critical operations.


The Mellanox MSB7890-ES2F is a Switch-IB 2 based EDR 1U switch designed for high-performance computing, storage, and data center environments. It features 36 QSFP28 ports that support a wide range of high-speed networking configurations, making it a versatile solution for any setup requiring fast data transfer and low latency. This switch provides an aggregate switch throughput of 7.2Tb/s, ensuring efficient data handling and transfer across networks. It is engineered to minimize latency, with a switch latency of just 90ns, facilitating rapid data processing and exchange that is critical for demanding applications and workloads. Power efficiency is a key consideration in the design of the MSB7890-ES2F, which has a typical power consumption of 122W. It includes two AC power supplies that are both 1+1 redundant and hot-swappable, enhancing the system's reliability and uptime by allowing maintenance or replacement without disrupting operations. Similarly, the switch incorporates N+1 redundant and hot-swappable fans, ensuring optimal cooling and system stability even under continuous operation. The Mellanox MSB7890-ES2F is unmanaged, offering straightforward deployment without the need for extensive configuration. It supports adaptive routing and congestion control, features that optimize data flow and prevent bottlenecks in high-traffic scenarios. Installation is made easy with the included rail kit, and its standard depth allows for compatibility with a variety of rack setups. The switch's airflow pattern is port to cable (P2C), designed to match the airflow requirements of many data centers and ensure efficient cooling. Compliance with IBTA 1.21 and 1.3 standards ensures interoperability with a broad range of devices and networks, making this switch a flexible choice for integrating into existing infrastructures. It supports 9 virtual lanes, including 8 for data and 1 for management, facilitating efficient traffic segregation and prioritization. Key specifications: - 36 QSFP28 ports for high-speed networking - Dual AC power supplies with 1+1 redundancy and hot-swap capability - N+1 redundant and hot-swappable fans for reliable cooling The Mellanox MSB7890-ES2F measures 1.7’’ (43.6 mm) in height, 16.85’’ (428mm) in width, and 27’’ (685.8mm) in depth, fitting comfortably in a 19’’ rack mountable 1U chassis. It weighs 11kg (24.2lb), making it manageable for installation and maintenance. Operating temperature ranges from 0ºC to 45ºC, with a non-operating temperature range of -40ºC to 70ºC, ensuring durability and reliability in various environmental conditions. The input voltage range accommodates 100-127 VAC and 200-240VAC, with a frequency of 50-60Hz, single phase AC, highlighting its adaptability to different power supplies and regions. In summary, the Mellanox MSB7890-ES2F is a high-performance, energy-efficient, and reliable networking switch that meets the demands of modern data centers and high-performance computing environments. Its comprehensive features and specifications make it an ideal choice for facilitating fast, efficient, and uninterrupted data transfer and communication.


Part Number MSB7890-ES2F
Manufacturer Mellanox
Product Type EDR 1U Switch, Switch-IB 2 Architecture
Ports 36 QSFP28
Power Supplies Dual AC Units
Management Non-manageable
Chassis Depth Standard
Airflow Direction Port to Chassis (P2C)
Included Accessories Rail Kit Included
Total Throughput 7.2Tb/s
Latency 90ns
Power Consumption (Typical) 122W
Power Redundancy Dual, Redundant and Hot-Swappable
Fan Redundancy N+1, Redundant and Hot-Swappable
Routing Capability Adaptive
Control Features Congestion Management
Mounting Compatible with 19-inch Racks, 1U Height
Standards Compliance IBTA 1.21, 1.3
Virtual Lanes 9 (8 Data + 1 Management)
Dimensions (H x W x D) 43.6 mm x 428 mm x 685.8 mm
Weight 11 kg
Input Voltage Range 100-127 VAC, 200-240 VAC
Frequency 50-60 Hz, Single Phase, 4.5A/2.9A
Typical Power with Passive Cables (ATIS) 122W
Operating Temperature Range 0ºC to 45ºC
Storage Temperature Range -40ºC to 70ºC

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