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H3C S9855-40B Data Center Switch : 48Tbps High Performance , VXLAN/EVPN Support & AI-Driven Management

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Beijing Youwang Times Technology Co., Ltd.

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H3C S9855-40B Data Center Switch : 48Tbps High Performance , VXLAN/EVPN Support & AI-Driven Management

Brand Name : H3C

Model Number : S9855-40B

Redundancy : 1+1 or N+1 power supply redundancy

Model : Nexus 9000 Series

Form Factor : Rack-mountable

Switching Capacity : Up to 172.8 Tbps

Management Interface : CLI, Web-based GUI, REST API

High Availability Features : Virtual PortChannel, FabricPath, Virtual Device Contexts

Port Speed : 10/25/40/50/100/400 Gbps

Security Features : MACsec, TrustSec, ACLs, CoPP

Number Of Ports : Up to 768

Product Type : Network Switch

Forwarding Rate : Up to 1.44 Bpps

Power Supply : Dual hot-swappable AC or DC power supplies

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H3C S9855-40B Data Center Switch : 48Tbps High Performance , VXLAN/EVPN Support & AI-Driven Management

The H3C S9855-40B is a next-generation data center switch designed for high-performance computing (HPC), cloud virtualization, and AI/ML workloads. With 48Tbps switching capacity and 7200Mpps forwarding rate, it delivers ultra-low latency and scalability for modern data centers.

Key Features & Benefits

High-Density 100G/400G Ports:
- 40 x 100G QSFP28 ports, configurable as 10G/25G/40G via breakout cables.
- Future-ready 400G uplink support for seamless bandwidth expansion.
Advanced Data Center Technologies:
- VXLAN/EVPN for network virtualization and multi-tenant isolation.
- Lossless RoCEv2 with PFC/ECN, optimized for GPU/AI traffic.
- Telemetry & AI-driven management for real-time monitoring and predictive analytics.
Enterprise-Grade Reliability:
- IRF2 virtualization simplifies management and enhances redundancy.
- 1+1 power redundancy and hot-swappable fans for 99.999% uptime.
Security & Compliance:
- MACsec encryption (IEEE 802.1AE) for data-in-motion security.
- Role-based access control (RBAC) and ACL policies.

Technical Specifications

Parameter	Specification
Switching Capacity	48Tbps
Forwarding Rate	7200Mpps
Port Configuration	40 x 100G QSFP28 (breakout supported)
Latency	<1μs (cut-through mode)
Virtualization	VXLAN, EVPN, IRF2
Protocols	BGP, OSPF, VRRP, PIM, MLAG
Power Efficiency	Dynamic power adjustment, <300W typical

Use Cases

Cloud Data Centers: High-density server aggregation.
AI/ML Clusters: Low-latency RoCEv2 for NVMe-over-Fabrics.
Financial Networks: Secure, high-availability infrastructure.

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