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by Hp
Product Line: Hp SN2745M Series
Product Type: Airflow DC Switch
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Original price $0.00 - Original price $0.00
Original price
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Current price $0.00
Title: Surplus

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Product Description

The R3B05A HP is a 1U rack-mountable Ethernet switch featuring 32 x 100 Gigabit QSFP28 ports with an aggregate switch bandwidth of 6.4 Tbps and a processing rate of 9.52 Bpps. It supports a cut-through latency of 300 ns, equipped with 8 GB RAM and 32 MB flash memory, and lacks encryption capabilities. Designed for high availability, it includes hot-swappable power supplies and fan trays, requires AC 120/230 V power with a 460 Watt supply, and operates at a power consumption of 15 Watt.

FAQs for the R3B05A

  • What is the port speed of the 100GbE 32QSFP28 switch?
    The port speed is 100 Gbps Ethernet, maximum per port.
  • How many ports does the switch have?
    The switch has 32 x 100 Gigabit QSFP28 ports.
  • Does the switch support encryption?
    No, the switch does not have encryption capability.
  • What is the aggregate switch bandwidth of the 100GbE 32QSFP28?
    The aggregate switch bandwidth is 6.4 Tbps.
  • Can additional ports be added with an upgrade license?
    Yes, additional ports can be added with an upgrade license.
  • Are the power supplies and fan trays hot-swappable?
    Yes, both the power supplies and fan trays are hot-swappable.
  • What form factor is the switch?
    The switch is a 1U rack-mountable form factor.
  • What protocol does the switch support?
    The switch supports the Ethernet protocol.
  • What is the processing rate of the switch?
    The processing rate is 9.52 Billion packets per second (Bpps).
  • What power redundancy scheme does the switch use?
    The switch uses a 1+1 power redundancy scheme.

Product Review

The HP R3B05A switch offers impressive performance with a maximum port speed of 100 Gbps and an aggregate switch bandwidth of 6.4 Tbps, catering to high-demand networking environments. However, it lacks built-in encryption capabilities, which could be a downside for organizations prioritizing data security. Its support for hot-swappable power supplies and fan trays, along with the flexibility to add additional ports via upgrade license, enhances its adaptability and uptime in dynamic data center settings.


The HP R3B05A is a cutting-edge networking switch designed for high-performance computing environments, data centers, and extensive networking infrastructures, emphasizing speed, efficiency, and scalability. This device stands out for its high port speed of 100 Gbps Ethernet, ensuring swift data transfer across all 32 of its 100 Gigabit QSFP28 ports. With an aggregate switch bandwidth of 6.4 Tbps, it can handle massive data volumes, making it ideal for organizations with high data throughput requirements. Despite its lack of encryption capability, the HP R3B05A supports Ethernet protocol, ensuring compatibility with a wide range of networking equipment and architectures. It offers the potential for additional ports with an upgrade license, providing flexibility for expanding network infrastructures. The switch is designed with reliability in mind, featuring hot-swappable power supplies and fan trays, minimizing downtime and maintenance challenges. The HP R3B05A's hardware specifications are tailored for high-demand environments. It has a processing rate of 9.52 Bpps and a cut-through latency of just 300 ns, ensuring that data is processed and forwarded with minimal delay. The device is equipped with 8 GB of RAM and 32 MB of flash memory, sufficient for handling complex networking tasks and storing the operating system and configuration files. Connectivity options include one console RJ-45 port, one USB Type A port, and two management RJ-45 ports, offering various interfaces for management and configuration. The power infrastructure of the HP R3B05A is designed for reliability, with an internal power supply that supports hot-plugging and a 1+1 power redundancy scheme. It requires AC 120/230 V (50/60 Hz), has a power provision of 460 Watt, and maintains operational efficiency with a power consumption of just 15 Watt. The switch's form factor is rack-mountable 1U, making it easy to integrate into standard data center racks. Its design emphasizes ease of deployment and maintenance, featuring a 100GbE 32QSFP28 ONIE power to connector airflow DC switch. Despite its powerful capabilities, the HP R3B05A maintains a relatively compact footprint and weighs 24.47 lbs. Key Features: -
  • 32 x 100 Gigabit QSFP28 ports for high-speed connectivity
  • 6.4 Tbps aggregate switch bandwidth for handling large data volumes
  • Hot-swappable power supplies and fan trays for uninterrupted operation
In summary, the HP R3B05A is a high-performance, scalable networking switch that meets the needs of demanding data centers and networking environments. Its high port speed, significant aggregate bandwidth, and low latency make it an excellent choice for organizations looking to build or upgrade their network infrastructure. With its flexible upgrade options and hot-swappable components, the HP R3B05A is built for both performance and reliability, ensuring that networks remain operational and efficient around the clock.


Item NumberHP R3B05A
Per Port Speed100 Gbps Ethernet
Total Switching Capacity6.4 Terabits per second
Support for EncryptionNone
Compatible ProtocolEthernet
Expansion Ports via LicenseAvailable
Power Supplies Replaceable While OperatingYes
Replaceable Fan Modules While OperatingYes
Chassis Type1U
Description32QSFP28 100GbE DC switch with front-to-back airflow, ONIE compatible
Total Ports32
Mount TypeRack-mount
Port Configuration32 x 100G QSFP28
Forwarding Rate9.52 Billion packets per second
Switch Latency300 nanoseconds
Memory Capacity8 GB RAM
Storage Capacity32 MB Flash
Management Interface1 x RJ-45 console, 2 x RJ-45 management, 1 x USB Type A
Power Supply TypeInternal, hot-pluggable
Redundancy Configuration1+1
Power Output460 Watts
Input VoltageAC 120/230 V (50/60 Hz)
Operational Power Draw15 Watts
Unit Weight24.47 pounds

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