What is the switching capacity and port configuration of HPE R3A97A?

The HPE SN3700cM R3A97A provides 6.4 Tbps aggregate bandwidth and 4.76 Bpps forwarding from 32 QSFP28 ports at 100GbE. Ports support breakout to 1/10/25/40/50G with flexible speeds up to 200GbE, ensuring non-blocking wire-rate L3 forwarding for storage and AI fabrics.

Does the R3A97A support lossless Ethernet for storage?

Yes, it features lossless fabric with PFC, ECN, and RoCEv2 for NVMe-oF and hyperconverged storage. Zero packet loss at line-rate across mixed speeds prevents head-of-line blocking, ideal for primary/secondary storage under heavy workloads.

What management and NOS options are available?

Ships with ONIE for installing NVIDIA Cumulus Linux, ONYX, or third-party NOS. Supports SNMPv3, SSH, CLI, REST API, and OpenFlow for SDN integration, enabling automated data center orchestration.

What airflow and form factor does it use?

1U rack-mountable with back-to-front Power-to-Connector airflow. Dimensions 22x16.9x1.7 inches, 24.47 lbs, with hot-swappable redundant PSUs (AC 120/230V) and fans for 99.99% uptime.

Is it suitable for AI and HPC deployments?

Optimized for AI/ML with 425 ns latency, ECMP routing, and 9216-byte jumbo frames. Handles GPU cluster interconnects and high-bandwidth 5G/cloud traffic with scalable aggregation.

What security features protect the control plane?

Includes CoPP, ACLs, loop/root guard, BGP/OSPF authentication, and 802.1X. Prevents DDoS and loops while supporting VLAN/QoS for segmented, prioritized traffic in enterprise networks.

R3A97A - HPE R3A97A SN3700cM 6.4Tbps 32x100G L3 Switch

Name: HPE R3A97A SN3700cM 6.4Tbps 32x100G L3 Switch
Brand: HPE
SKU: R3A97A

R3A97A - HPE R3A97A SN3700cM 6.4Tbps 32x100G L3 Switch | US IT Hardware

Product overview

The HPE SN3700cM 100GbE 32QSFP28 ONIE Power to Connector Airflow Switch (R3A97A) is designed for modern server and storage networks in enterprise data centers. It supports up to 200GbE with 32 QSFP28 ports configurable from 1/10/25/40/50/100/200 Gbps, delivering 6.4 Tbps aggregate bandwidth at 100GbE and wire-rate performance with zero packet loss across all frame sizes. Key features include 425 ns latency, 4.76 Bpps forwarding rate, BGP/OSPF/IP routing, VXLAN/OpenFlow, QoS, ACL security, and hot-swappable PSUs/fans. Optimized for hyperconverged infrastructure, primary/secondary storage, financial services, and AI/ML workloads, it ensures low-latency connectivity under heavy mixed-speed traffic. The 1U rack-mountable design with back-to-front airflow enhances scalability, efficiency, and TCO in aggregation layers.

6.4 Tbps aggregate switch bandwidth with full-duplex.
32x QSFP28 ports supporting 100GbE wire-rate performance.
Ultra-low 425 ns latency for high-speed applications.
4.76 Bpps forwarding rate across all frame sizes.
ONIE support for Cumulus Linux or custom NOS.
Hot-swappable PSUs and fans for high availability.

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	R3A97A
Brand	HPE
Condition	New
Model	SN3700cM
Software	ONIE (Cumulus Linux compatible)
Standards	IEEE 802.1Q, 802.3x/ad, Spanning Tree
Management	SNMPv1/2/3, SSH-2, CLI, JSON API, Telnet
Product Line	M-series SN3700M
Product Type	Layer 3 Managed Ethernet Switch
Advanced Features	VXLAN, OpenFlow, QoS, Port Mirroring, BFD
Routing Protocols	BGP-4, OSPFv2, PIM-SM, IGMP, ECMP

Compatible systems

Native ONIE compatibility with NVIDIA Spectrum-2 ASIC; integrates with HPE servers/storage via 100G Ethernet.

HPE ProLiant
Model: DL380
Form factor: 2U Rack
Generation: Gen10/11
Direct QSFP28 connectivity for storage fabrics.
HPE Synergy
Model: Any
Form factor: Composable
Aggregation layer for hyperconverged.

Best for

Data Center Aggregation
Serves as spine/leaf switch in high-density fabrics with non-blocking 6.4 Tbps throughput for east-west traffic.
AI/ML Training
Supports massive data transfers for GPU clusters with ultra-low 425 ns latency and lossless Ethernet fabric.
Storage Networks
Provides zero packet loss RoCE/RDMA over 100GbE for hyperconverged and NVMe-oF deployments.
High-Performance Computing
Delivers wire-rate L3 routing and ECMP for HPC clusters requiring scalable, low-latency interconnects.
Financial Services

Details

Shipping, warranty & returns

Customer reviews

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Ports	32 x QSFP28
Port Speed	100 Gbps max per port (1/10/25/40/50/100/200GbE)
Jumbo Frames	9216 bytes max

HPE R3A97A SN3700cM 6.4Tbps 32x100G L3 Switch

Product overview

Featuring

Compatible systems

Best for

Details

Shipping, warranty & returns

Customer reviews

Network & Communication

Security

Power Consumption

Physical Characteristics

Environmental

Interface/Ports

Frequently asked questions

Latency	425 ns
Forwarding Rate	4.76 Bpps
Aggregate Bandwidth	6.4 Tbps

Weight	24.47 lbs
Dimensions	22 x 16.9 x 1.7 in
Form Factor	1U rack-mountable