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SB7790

Product Line: Mellanox Technologies SB7790 Series
Product Type: SWITCH SYSTEM
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Product Description

The SB7790 Mellanox Technologies switch features a 19’’ rack-mountable 1U chassis, equipped with 36 QSFP28 non-blocking ports that enable an aggregate data throughput of up to 7 Tb/s (EDR), ensuring efficient data transfer across networks. It supports a 4X48K entry linear forwarding database and offers advanced networking capabilities including Adaptive Routing, Congestion Control, and Port Mirroring, compliant with IBTA 1.21 and 1.3. Designed for versatility, it includes dual redundant power slots, an operating temperature range from 0ºC to 45ºC, and offers both front-to-rear and rear-to-front cooling options to accommodate different data center layouts.

FAQs for the SB7790

  • What is the form factor of the chassis and how many units does it occupy in a rack?
    The chassis is 19’’ rack mountable and occupies 1U in a rack.
  • How many QSFP28 ports does the device have and what is its maximum data throughput?
    It has 36 QSFP28 non-blocking ports with a total aggregate data throughput of up to 7 Tb/s (EDR).
  • Is the device compliant with any IBTA specifications?
    Yes, it is compliant with IBTA 1.21 and 1.3.
  • How many virtual lanes are supported and how are they distributed?
    The device supports 9 virtual lanes: 8 for data and 1 for management.
  • What is the range of MTU sizes that can be configured?
    MTU sizes can be configured between 256 to 4Kbytes.
  • Does the device support Adaptive Routing and Congestion Control?
    Yes, it supports both Adaptive Routing and Congestion Control.
  • Can you mirror ports on this device?
    Yes, Port Mirroring is supported.
  • What is the capacity of the linear forwarding database?
    The linear forwarding database has a capacity of 4X48K entries.
  • What are the power specifications and cooling options?
    The power input range is 100 - 127 VAC, 200-240VAC at 50-60Hz, single phase AC, with options for front-to-rear or rear-to-front cooling. Typical power consumption with passive cables is 122W.
  • What are the operating and non-operating temperature and humidity ranges?
    It operates between 0ºC to 45ºC and can be stored non-operating between -40ºC to 70ºC, with an operating humidity range of 10% to 85% non-condensing.

Product Review

The Mellanox Technologies SB7790 switch offers high-performance networking with 36 QSFP28 ports, enabling up to 7 Tb/s aggregate data throughput, making it suitable for environments demanding high bandwidth. However, its complexity and feature set, including adaptive routing and a 4X48K entry linear forwarding database, may present a steep learning curve for those not familiar with advanced network configurations. Additionally, the switch's dual redundant power supplies and front-to-rear cooling options enhance its reliability and flexibility in various operational environments, albeit at a higher power consumption of 122W typical with passive cables.

Overview

The Mellanox Technologies SB7790 is a high-performance networking switch designed for efficient data center operations. It features a 19’’ rack-mountable 1U chassis, making it suitable for streamlined installation in standard equipment racks. This switch is equipped with 36 QSFP28 non-blocking ports, delivering an impressive aggregate data throughput of up to 7 Tb/s (Enhanced Data Rate), facilitating high-speed connectivity and efficient data transfer across networks. This device adheres to the InfiniBand Trade Association (IBTA) standards 1.21 and 1.3, ensuring compatibility and interoperability within diverse networking environments. It supports 9 virtual lanes, comprising 8 data lanes and 1 management lane, which enhances its capability to handle multiple data streams simultaneously. The switch's support for a Maximum Transmission Unit (MTU) ranging from 256 to 4Kbytes allows for the optimization of data transfer sizes according to specific application requirements. Among its advanced features, the SB7790 offers Adaptive Routing and Congestion Control mechanisms. These features enable the switch to dynamically adjust data paths and manage traffic flow, ensuring high efficiency and reliability even under heavy network loads. Additionally, the switch facilitates Port Mirroring and VL2VL mapping, enhancing its monitoring and data routing capabilities. The hardware specifications include a 4X48K entry linear forwarding database, which supports extensive data handling and routing capabilities. Connectivity options are provided through QSFP28 connectors and an I2C (RJ45) interface, offering flexibility in network design and expansion. A system reset button allows for easy maintenance and troubleshooting. The SB7790's design considerations include dual redundant power slots, ensuring uninterrupted operation. It supports a broad input range from 100 - 127 VAC to 200-240VAC, with a frequency range of 50-60Hz, accommodating various power supply standards. The cooling system can be configured for front-to-rear or rear-to-front airflow, adapting to different rack setups for optimal thermal management. - Dimensions: 1.7’’ (43.6 mm) H x 16.85’’ (428mm) W x 27’’ (685.8mm) D - Weight: 11kg (24.2 Lb) - Typical Power with Passive Cables (ATIS): 122W Operating in environments ranging from 0ºC to 45ºC and non-operating from -40ºC to 70ºC, the SB7790 is built to withstand a wide range of temperature conditions. It also operates effectively in humidity levels from 10% to 85% non-condensing, ensuring reliability in various environmental conditions. In summary, the Mellanox Technologies SB7790 offers a blend of high-speed data throughput, advanced networking features, and flexible configuration options. Its robust hardware specifications and adherence to industry standards make it an ideal choice for data centers requiring efficient, high-capacity networking solutions.

Specifications

ItemDescription
ManufacturerMellanox Technologies
ModelSB7790
Form Factor1U chassis for 19’’ racks
Ports36 QSFP28, non-blocking
ThroughputUp to 7 Terabits per second (EDR)
Standards ComplianceIBTA 1.21, 1.3
Virtual Lanes9 (8 for data, 1 for management)
MTU Range256 bytes to 4 Kbytes
RoutingAdaptive
Congestion ManagementIncluded
MonitoringPort Mirroring available
VL MappingVL2VL supported
Forwarding Database192K entries, linear structure
Management InterfaceI2C via RJ45
Maintenance FeaturesSystem reset button included
Connector TypeQSFP28
DimensionsHeight: 43.6 mm, Width: 428 mm, Depth: 685.8 mm
Weight11 kg
Power SupplyDual, redundant slots
Voltage Range100-127 VAC, 200-240 VAC
Power Frequency50-60 Hz, single-phase AC, 4.5A/2.9A
CoolingOptional front-to-rear or rear-to-front airflow
Power Consumption (Passive Cables)122W (ATIS standard)
Operating Temperature0ºC to 45ºC
Storage Temperature-40ºC to 70ºC
Humidity (Operating)10% to 85%, non-condensing

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