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HPE R3B05A SN2745M 100GbE 32 port Airflow Ethernet Switch

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High-density 32-port 100GbE switch with front-to-back airflow for data centers.

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Detailed Specifications

HPE R3B05A

SN2745M 100GbE 32-Port Airflow Ethernet Switch

The HPE R3B05A SN2745M 100GbE 32-Port Airflow Ethernet Switch is a high-performance, top-of-rack (ToR) switch engineered for modern,high-scale data centers and enterprise networking cores. Equipped with 32 QSFP28 ports supporting 100 Gigabit Ethernet, it delivers non-blocking throughput and ultra-low latency for the most demanding workloads. Its front-to-back (airflow) cooling design is optimized for hot-aisle/cold-aisle data center deployments, ensuring efficient thermal management in dense environments. Designed for agility, scalability, and speed, this switch supports advanced Layer 2/3 features and is ideal for cloud, virtualization, and storage fabrics.

Features

Built on a robust architecture, the HPE SN2745M switch offers up to 6.4 Tbps of switching capacity and 4.77 billion packets per second (Bpps) throughput, enabling it to handle massive east-west traffic flows in modern scale-out data centers. With support for industry standards and open networking features, it enables seamless integration into multi-vendor environments. Each QSFP28 port can be configured as 100GbE, 40GbE, or broken out into 4x25GbE or 4x10GbE, offering flexible deployment options. Enhanced telemetry, extensive QoS features, and automation support via REST APIs make it suitable for environments requiring high availability, deep visibility, and programmability.

Advanced Options

The HPE SN2745M R3B05A switch is purpose-built for environments where high bandwidth, low latency, and non-stop reliability are mission-critical. Its hardened, compact 1U design is thermally efficient, with front-to-back airflow ensuring optimal cooling even in high-density racks. With support for BGP, OSPF, and EVPN-VXLAN, 

Product Key Features

  • 32 × 100GbE QSFP28 ports with line-rate switching

  • Up to 6.4 Tbps switching capacity and 4.77 Bpps throughput

  • Front-to-back (airflow) cooling for data center efficiency

  • Flexible port breakout for 25GbE/10GbE deployments

  • Advanced L2/L3 features, QoS, and automation-ready

  • Ideal for hyperscale, cloud, and enterprise core switching


Reliability & Performance

the switch simplifies network segmentation and scalable fabric designs. In addition to full Layer 2/3 support, it includes high-availability features like redundant fans and power supplies, hitless software upgrades, and extensive hardware telemetry. This ensures the SN2745M meets the stringent uptime requirements of financial, cloud, and enterprise network cores.

Key Features :

    • 32 × 100GbE QSFP28 ports

    • 6.4 Tbps switching capacity

    • 4.77 Bpps forwarding rate

    • Front-to-back (port-to-power) airflow

    • Flexible port breakout (4x25GbE, 4x10GbE)

    • Layer 2/3, VXLAN, BGP, OSPF, QoS

    • Redundant hot-swappable fans and PSUs

    • Open networking and automation APIs

SpecificationDetails
Model Number R3B05A
Product Type 100GbE Ethernet Switch
Port Count 32 × QSFP28
Port Speed 100GbE (supports 40/25/10GbE breakout)
Switching Capacity 6.4 Tbps
Forwarding Rate 4.77 Bpps
Airflow Direction Front-to-Back (Airflow)
Layer Support Layer 2 / Layer 3 with full routing stack
Redundancy Hot-swappable fans and dual power supplies
Management CLI, REST API, SNMP, Telemetry
Form Factor 1U rack-mountable
Power Supply Redundant, hot-swappable AC PSUs
Operating System HPE Comware / Compatible Network OS
  • All packages are shipped same day if the order is placed before 3PM CST

    We use UPS/FedEx to ship the packages with different service levels offered by UPS/FedEx

    Overnight Shipping take 1 business day
    Expedited Shipping take about 2-3 business days
    Ground shipping take about 3-5 business days

    You can select the desired service level at Checkout and we will make sure the package is shipped as per the selected service level.

  • We Accept

    i) PayPal
    ii) All Credit & Debit Cards
    iii) Purchase Orders
    iv) Check
    v) Bank Transfer/ACH/Wire Transfer

    To process the order through Paypal/CC, you can simply checkout and process the payment.

    If you want to issue us Purchase Order/Check/Bank Transfer, Please contact us at the following details

    Call: 469.458.9636
    Email: sales@dcsupplies.net

  • If you have any queries, please contact us at the following details and we will be happy to help

    Call
    469.458.9636
    469.458.9638

    Email
    sales@dcsupplies.net

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