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Ethernet Switch CE9866-128DQ Data Center Switch with 128*400GE QSFP112 ports 1
Ethernet Switch CE9866-128DQ Data Center Switch with 128*400GE QSFP112 ports 2
Ethernet Switch CE9866-128DQ Data Center Switch with 128*400GE QSFP112 ports 3
Ethernet Switch CE9866-128DQ Data Center Switch with 128*400GE QSFP112 ports 1
Ethernet Switch CE9866-128DQ Data Center Switch with 128*400GE QSFP112 ports 2
Ethernet Switch CE9866-128DQ Data Center Switch with 128*400GE QSFP112 ports 3

Ethernet Switch CE9866-128DQ Data Center Switch with 128*400GE QSFP112 ports

CE9866-128DQ 02356KVS 128*400GE QSFP112,2*10GE SFP+,4*AC Power Modules,6*Fans data center switch
The CE9866-128DQ is Huawei's next-generation 400G ultra-high-density fixed box-type data center switch in the CloudEngine 9800 series. It is positioned as a 400G access/aggregation layer for ultra-large-scale cloud data centers, AI computing clusters, and distributed storage. The device is 4U in height and provides 128×400GE QSFP-DD + 2×10GE SFP+ full-line-speed ports. It adopts a non-blocking switching architecture and is designed for east-west high-traffic, low-latency, and high-reliability scenarios.

 Model No.:  CE9866-128DQ

Port details: 128 × 400GE QSFP112 + 2 × 10GE SFP+  

Application scenarios: 400G access/aggregation layer for hyperscale cloud data centers, AI computing clusters, and distributed storage.

Feature: Provides 128×400GE QSFP-DD + 2×10GE SFP+ full-line-speed ports, employing a non-blocking switching architecture.

 Warranty: 1years

 MOQ: 1 pieces

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    Application scenarios

    400G Access/Aggregation Layer for Ultra-Large Cloud Data Centers

    Serving as a 400G access switch, it connects to 100G/25G TOR switches, supporting large-scale cloud services and east-west traffic.


    AI Computing Clusters/GPU Clusters/Large Model Training

    Ultra-high bandwidth, low latency, and lossless transmission meet the needs of high-speed interconnection of GPUs/DPUs and massive data interaction.


    High-Performance Computing (HPC) and Supercomputing Centers

    Non-blocking and low latency, suitable for supercomputing scenarios such as scientific computing and simulation.


    Distributed Storage and Big Data Platform Backbone

    High throughput and large cache ensure the stability of massive data read/write, replication, and analysis.


    Finance, Securities, and Government/Enterprise Core Networks

    High reliability, low latency, and high security serve as aggregation nodes for financial transactions and core government/enterprise businesses.

    CE9866-128DQ-02356KVS-128-400GE-QSFP112-2-10GE-SFP
    CE9866-128DQ-02356KVS-128-400GE-QSFP112-2-10GE-SFP (2)

    Key selling points

    400G Ultra-High Density, Flexible Splitting

    Integrates 128×400GE QSFP-DD in 4U space, with a maximum single-device support of 512×100GE, meeting the ultra-high bandwidth requirements of ultra-large-scale AI clusters, supercomputing, and distributed storage.


    Non-Blocking Full-Line-Speed, Low Latency, Large Cache

    Hardware-level low-latency forwarding + 142MB large cache, adaptable to high-frequency trading, real-time computing, and RoCEv2 lossless traffic.


    iLossless Intelligent Lossless, Adaptable to AI/Storage

    Supports the iLossless intelligent lossless algorithm, providing a "no packet loss, low latency, high throughput" network environment for RDMA/RoCEv2 traffic.


    Cloud Computing Full-Scenario Features

    Supports VXLAN, EVPN, SRv6, SDN, Telemetry, and INT in-path detection.

    Comprehensive IPv6, multicast, security, QoS, and traffic visualization, adaptable to cloud-native and intelligent computing networks.


    High reliability, easy maintenance, and energy-efficient.

    Features 4 redundant power supplies and dual fans, supporting hot-swapping, BFD, and ISSU uninterrupted upgrades.

    Supports M-LAG, stacking, and cross-device link aggregation to enhance network resilience.

    Detailed description

    parameter item Specifications
    model CE9866-128DQ
    Device form factor 4U fixed box data center switch (excluding power fan)
    business port 128 × 400GE QSFP-DD+2 × 10GE SFP+(uplink and downlink not distinguished)
    port rate 400GE/200GE/100GE/40GE adaptive; 400GE detachable 4 × 100GE/2 × 200GE
    switching capacity 102.4 Tbps
    Packet forwarding rate 21000 Mpps
    cache 142 MB
    Routing table entry 2M IPv4 / 1M IPv6
    virtualization M-LAG、iStack、EVPN、VXLAN、SRv6
    power supply Support 4 redundant pluggable power supplies (AC/DC/HVDC) 
    fan Dual redundant pluggable fans
    air duct Port side air intake (front to back)/reverse air duct optional
    size 442 × 600 × 176 mm(4U)
    Maximum Power Consumption Approximately 1699 W
    operating system VRP V8 (V300R024C00 and above)
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