Huawei CloudEngine S6780-H4Z – Product Documentation

Name: Huawei CloudEngine S6780-H4Z - SunSpike
SKU: S6780-H4Z

Product Overview

The Huawei CloudEngine S6780-H4Z is a next-generation enterprise-class core and aggregation layer switch from Huawei’s CloudEngine S6780-H Series. It is a 2U flexible card switch featuring four half-width card slots that support flexible combinations of multiple card types, enabling high-density 100GE optical ports and 400GE optical ports.

Built on Huawei’s industry-leading software and hardware platform, the S6780-H4Z is designed with security, Internet of Things (IoT), and cloud networking in mind. The switch supports advanced technologies including Free Mobility, VXLAN, SRv6, and network slicing, delivering ultimate user experience and carrier-class reliability. It also supports cloud management and intelligent operations and maintenance (O&M), enabling cloud-managed network services throughout the full lifecycle—from planning and deployment to monitoring, experience visibility, fault rectification, and network optimization.

The CloudEngine S6780-H4Z is widely deployed at the aggregation and core layers of large campus networks, as well as at the core layer of small- and medium-sized campus networks across various industries including transportation, manufacturing, and education. It offers GE/10GE/25GE/40GE/100GE/400GE port types and cards, flexibly adapting to diversified network bandwidth requirements.

Technical Specifications

Category	Specification
Product Model	CloudEngine S6780-H4Z
Form Factor	2U
Switching Capacity	14.4 Tbps / 16 Tbps
Forwarding Performance	2400 Mpps
Fixed Ports	4 x half-width flexible card slots
Flexible Card Options	• 24 x GE/2.5GE/10GE SFP+ ports + 2 x 40GE/100GE QSFP28 ports • 24 x GE/2.5GE/10GE/25GE SFP28 ports + 2 x 40GE/100GE QSFP28 ports • 10 x 40GE/100GE QSFP28 ports • 16 x 40GE QSFP ports • 16 x 40GE/100GE QSFP28 ports • 8 x GE/2.5GE/10GE/25GE SFP28 ports + 4 x 400GE QSFP-DD ports
Power Supply	1+1 power supply backup
Dimensions without Packaging (H x W x D)	41.7 mm x 206 mm x 173 mm (1.64 in. x 8.11 in. x 6.81 in.)
Weight without Packaging	1.3 kg (2.87 lb)
Typical Power Consumption	63 W
Maximum Power Consumption	87 W
Maximum Heat Dissipation	296.8 BTU/hour
MAC Features	• MAC address auto-learning and aging • Static, dynamic, and blackhole MAC address entries • Packet filtering based on source MAC addresses • MAC address learning limiting based on ports and VLANs
VXLAN Features	• Distributed and centralized VXLAN gateways • BGP EVPN • VXLAN configuration through NETCONF • VXLAN Layer 2 switching and VXLAN route switching
iPCA Quality Awareness	• Direct marking of service packets for real-time dropped packet and packet loss rate statistics • Layer 2/Layer 3 device and network-level packet loss measurement
QoS	• Traffic classification from link layer to application layer • Complete queue scheduling and congestion control algorithms • Accurate multi-level scheduling for data flows • Hardware-based low-latency QoS queues for multicast packets
Interoperability	• VBST (compatible with PVST/PVST+/RPVST) • LNP (similar to DTP) • VCMP (similar to VTP)