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HPE R3B05-63001 SN2745M 100GbE 32QSFP28 32 port Ethernet Switch View larger
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HPE R3B05-63001 SN2745M 100GbE 32QSFP28 32 port Ethernet Switch

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High-performance 1U top-of-rack switch with 32× 100GbE QSFP28
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Detailed Specifications

HPE R3B05-63001

SN2745M 100GbE 32QSFP28 32-Port Ethernet Switch

The HPE R3B05-63001 SN2745M 100GbE Ethernet Switch is a powerful 1U top-of-rack (ToR) solution built for modern data centers, cloud infrastructure, and high-performance computing (HPC) environments. Featuring 32 QSFP28 ports, each supporting up to 100Gbps, this switch delivers an aggregated switching capacity of 6.4 Tbps with ultra-low latency performance. Built on Mellanox Spectrum ASIC technology, it supports advanced telemetry, congestion control, and automation, ensuring scalable, lossless networking for today’s most demanding workloads.

Features

The HPE SN2745M is ideal for spine/leaf architectures in hyperscale data centers and enterprise core networks. Its 32× QSFP28 ports can be configured for 100GbE, 50GbE, 40GbE, or 25GbE per lane, providing flexible deployment options. With line-rate Layer 2 and Layer 3 packet processing, it handles large-scale routing and switching workloads without performance degradation. Advanced features like RDMA over Converged Ethernet (RoCE), VXLAN support, and real-time analytics make it a superior choice for workloads requiring high bandwidth and deterministic latency.

Advanced Options

Engineered for carrier-grade reliability and consistent performance, the SN2745M excels under the heaviest network loads. It supports redundant hot-swappable fans and dual power supplies,

Product Key Features

    • 32× QSFP28 ports supporting up to 100Gbps each

    •  6.4 Tbps switching capacity with full line-rate throughput

    •  Ultra-low latency for HPC and real-time apps

    •  Mellanox Spectrum ASIC with deep telemetry

    •  Layer 2/3 support with advanced routing features

    •  Ideal for spine/leaf, HPC, AI/ML, and virtualization

Reliability & Performance

ensuring continuous uptime in mission-critical deployments. With its cut-through architecture, the switch minimizes latency and jitter—critical for latency-sensitive applications like AI training, financial trading, and large-scale storage networks.

Key Features :

  • 32 × 100GbE QSFP28 ports (compatible with 25/40/50GbE)

  • Up to 6.4 Tbps switching capacity

  • Layer 2 and Layer 3 switching at line rate

  • Built on Mellanox Spectrum ASIC

  • Cut-through low-latency architecture

  • VXLAN, EVPN, and RoCEv2 support

  • Open networking ready (ONIE)

  • Hot-swappable redundant power and fans

  • Ideal for spine/leaf and core data center designs

  • 1U rack-mount form factor

SpecificationDetails
Model Number R3B05-63001
Product Series SN2745M Ethernet Switch
Switching Capacity 6.4 Tbps
Port Configuration 32 × QSFP28 (100GbE)
Port Speeds Supported 100/50/40/25GbE per port
Latency Sub-microsecond (cut-through architecture)
ASIC Mellanox Spectrum
Layer Support Layer 2 and Layer 3
Redundancy Hot-swappable fans and dual PSUs
Form Factor 1U rack-mount
Operating System Compatible with ONIE/Open Network OS
Use Case ToR/Spine switch for data centers and HPC

  • 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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