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Overview
Specs
Item | Description |
Manufacturer | Mellanox Technologies |
Model | SB7790 |
Form Factor | 1U chassis for 19’’ racks |
Ports | 36 QSFP28, non-blocking |
Throughput | Up to 7 Terabits per second (EDR) |
Standards Compliance | IBTA 1.21, 1.3 |
Virtual Lanes | 9 (8 for data, 1 for management) |
MTU Range | 256 bytes to 4 Kbytes |
Routing | Adaptive |
Congestion Management | Included |
Monitoring | Port Mirroring available |
VL Mapping | VL2VL supported |
Forwarding Database | 192K entries, linear structure |
Management Interface | I2C via RJ45 |
Maintenance Features | System reset button included |
Connector Type | QSFP28 |
Dimensions | Height: 43.6 mm, Width: 428 mm, Depth: 685.8 mm |
Weight | 11 kg |
Power Supply | Dual, redundant slots |
Voltage Range | 100-127 VAC, 200-240 VAC |
Power Frequency | 50-60 Hz, single-phase AC, 4.5A/2.9A |
Cooling | Optional front-to-rear or rear-to-front airflow |
Power Consumption (Passive Cables) | 122W (ATIS standard) |
Operating Temperature | 0ºC to 45ºC |
Storage Temperature | -40ºC to 70ºC |
Humidity (Operating) | 10% to 85%, non-condensing |
SB7790
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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
Specifications
Item | Description |
Manufacturer | Mellanox Technologies |
Model | SB7790 |
Form Factor | 1U chassis for 19’’ racks |
Ports | 36 QSFP28, non-blocking |
Throughput | Up to 7 Terabits per second (EDR) |
Standards Compliance | IBTA 1.21, 1.3 |
Virtual Lanes | 9 (8 for data, 1 for management) |
MTU Range | 256 bytes to 4 Kbytes |
Routing | Adaptive |
Congestion Management | Included |
Monitoring | Port Mirroring available |
VL Mapping | VL2VL supported |
Forwarding Database | 192K entries, linear structure |
Management Interface | I2C via RJ45 |
Maintenance Features | System reset button included |
Connector Type | QSFP28 |
Dimensions | Height: 43.6 mm, Width: 428 mm, Depth: 685.8 mm |
Weight | 11 kg |
Power Supply | Dual, redundant slots |
Voltage Range | 100-127 VAC, 200-240 VAC |
Power Frequency | 50-60 Hz, single-phase AC, 4.5A/2.9A |
Cooling | Optional front-to-rear or rear-to-front airflow |
Power Consumption (Passive Cables) | 122W (ATIS standard) |
Operating Temperature | 0ºC to 45ºC |
Storage Temperature | -40ºC to 70ºC |
Humidity (Operating) | 10% to 85%, non-condensing |