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Overview
Specs
Item Number and Maker | Arista DCS-7120T-4S-R |
1/10GBASE-T Ports (RJ-45) | 20 |
SFP+ Interfaces | 4 |
Cooling Fans Direction | 5, rear-to-front |
Power Supplies | 2, 760W AC |
Network Throughput | 480 Gbps |
Rate of Packets | 360 Mpps |
Signal Delay | 2.5 microseconds |
Processor | Dual-Core X86 |
Non-volatile Storage | 2GB |
System Memory | 2GB |
Management Ethernet Ports | 2 |
Console Port | 1 |
USB Interface | 1 |
10GBASE-T Compatibility with Cat 6a/7 | Up to 100 meters |
10GBASE-T Compatibility with Cat 5e/6 | Up to 55 meters |
Energy Consumption Average | 288 watts |
Power Supply Redundancy | Available |
Power Units Replaceable During Operation | Available |
Dimensions (Height x Width x Depth) | 1.74 x 17.4 x 20.25 inches (44 x 440 x 515mm) |
Mass | 26 pounds (11.8kg) |
Operational Temperature Range | 0 to 40°C |
Storage Temperature Range | -40 to 70°C |
Humidity Tolerance | 5 to 95% |
DCS-7120T-4S-R
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Product Description
The DCS-7120T-4S-R Arista features 20-port 1/10GBASE-T (RJ-45) and 4 SFP+ ports, supporting 10GBASE-T over Category 6a or 7 cabling up to 100m, and over Category 5e or 6 up to 55m. It is engineered for high performance with a throughput of 480 Gbps and packets per second rate of 360 Mpps, while maintaining a low latency of 2.5 usec. The unit includes 5 rear-to-front airflow fans, 2 760W AC power supplies with 1+1 PSU redundancy, and is designed for efficient operation with a typical power draw of 288 watts.Key Feature for the DCS-7120T-4S-R
- What is the throughput capacity of this networking device?
The throughput capacity is 480 Gbps. - How many 10GBASE-T ports does the device offer?
The device offers 20 10GBASE-T (RJ-45) ports. - What type of CPU is integrated within the device?
It integrates an X86 Dual-Core CPU. - Can you describe the power supply redundancy feature?
Yes, it features 1+1 PSU redundancy, ensuring continuous operation in case one power supply fails. - What is the maximum operational temperature for this device?
The maximum operational temperature is 40C. - How many SFP+ ports are available?
There are 4 SFP+ ports available. - What are the storage temperature limits?
The storage temperature ranges from -40 to 70C. - Is the device equipped with hot swappable PSUs?
Yes, the PSUs are hot swappable, allowing for maintenance or replacement without powering down. - What is the latency of this networking hardware?
The latency is 2.5 microseconds. - How is airflow managed within the device?
Airflow is managed with 5 rear-to-front airflow fans, ensuring optimal cooling.
Product Review
The Arista DCS-7120T-4S-R offers a balanced mix of 20 1/10GBASE-T ports and 4 SFP+ ports, catering to diverse connectivity needs with a throughput of 480 Gbps and a low latency of 2.5 µsec, which is ideal for high-performance computing environments. However, its reliance on Category 6a or 7 cabling for maximum 10GBASE-T distance might limit deployment flexibility in infrastructures with pre-existing lower category cabling. The inclusion of features like 1+1 PSU redundancy, hot-swappable PSUs, and efficient rear-to-front airflow cooling ensures system reliability and easier maintenance in data center environments.
Overview
Specifications
Item Number and Maker | Arista DCS-7120T-4S-R |
1/10GBASE-T Ports (RJ-45) | 20 |
SFP+ Interfaces | 4 |
Cooling Fans Direction | 5, rear-to-front |
Power Supplies | 2, 760W AC |
Network Throughput | 480 Gbps |
Rate of Packets | 360 Mpps |
Signal Delay | 2.5 microseconds |
Processor | Dual-Core X86 |
Non-volatile Storage | 2GB |
System Memory | 2GB |
Management Ethernet Ports | 2 |
Console Port | 1 |
USB Interface | 1 |
10GBASE-T Compatibility with Cat 6a/7 | Up to 100 meters |
10GBASE-T Compatibility with Cat 5e/6 | Up to 55 meters |
Energy Consumption Average | 288 watts |
Power Supply Redundancy | Available |
Power Units Replaceable During Operation | Available |
Dimensions (Height x Width x Depth) | 1.74 x 17.4 x 20.25 inches (44 x 440 x 515mm) |
Mass | 26 pounds (11.8kg) |
Operational Temperature Range | 0 to 40°C |
Storage Temperature Range | -40 to 70°C |
Humidity Tolerance | 5 to 95% |