12.8T Low Latency Data Center Switch

DCS-O6402JE

64x200G and 2x10G ultra-low latency data center switch with hot-swappable PSU and fans, front-to-rear airflow. Designed for leaf/spine deployments with Enterprise SONiC pre-installed for open, scalable automation.

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64×200Gb QSFP56
Multi-Tenant Isolation
Low Latency
Supports RoCEv2, ECN, PFC, INT
SeraNOS Enterprise OS

Overview

DCS-O6402JE is a 2RU ultra-low latency data center switch featuring 64x 200G QSFP56 ports, delivering 12.8 Tbps switching capacity with full wire-speed L2/L3 forwarding. It is equipped with hot-swappable 1+1 redundant 800W PSU modules and 4x fan modules with 3+1 redundancy, supporting front-to-rear airflow for compatibility with hot/cold aisle deployments.

Designed for high-performance leaf/spine networks, AI/ML workloads, and cloud-native automation, the switch integrates Marvell Teralynx ASIC, supports RoCEv2, ECN, PFC, DCQCN, and offers containerized SONiC-based SeraNOS. In-band telemetry (INT) and open automation via RESTful APIs, Ansible, and Python are pre-integrated to streamline deployment and operations

Features

  • 64x 200G QSFP56 Ports with full wire-speed L2/L3 switching
  • 12.8 Tbps Switching Capacity, optimized for low-latency data center fabrics
  • Powered by Marvell Teralynx ASIC for AI/ML and HPC workloads
  • Hot-swappable 800W 1+1 Redundant PSU Modules
  • 4x Hot-swappable Fan Modules (3+1 Redundancy) with Front-to-Rear Airflow
  • Supports RoCEv2, ECN, PFC, DCQCN for lossless Ethernet
  • Containerized SONiC-based SeraNOS OS for modular flexibility
  • In-band Network Telemetry (INT) for real-time visibility
  • RESTful APIs, Ansible, and Python Integration for automation and control
  • 2RU Compact Form Factor, ideal for high-density spine deployments

Software

Ultra-Low Latency Network
  • Enhanced RDMA Performance: Enables ultra-low latency memory access with optimized microsecond-level performance
Lossless Network
  • Zero Packet Loss: Built-in RoCEv2 with deep QoS support (ECN, PFC, QCN, DCQCN, DCTCP) ensures lossless Ethernet for high-throughput RDMA.
  • INT-Based Congestion Visibility: In-band network telemetry monitors latency, drops, and path behavior to support AI-optimized congestion control.
High-Reliability Network
  • Massive ECMP Support: Up to 8192-way equal-cost multi-path routing for hyperscale resiliency.
  • MC-LAG with Active Multipathing: Provides multi-chassis redundancy and enhanced bandwidth utilization.
  • Rapid Failover: Fast link detection with BFD for BGP and OSPF within 50ms.
Time-Sensitive Network
  • 10ns Precision Timing: Supports high-accuracy PTP and SyncE for synchronized AI compute clusters and time-critical workloads.
Open Network
  • Enterprise SONiC Ready: Integrated with SeraNOS for modular, reliable SAI-based operation.
  • Future-Proof Programmability: Line-rate programmable to support UEC (Ultra Ethernet Consortium) standards and beyond.
Automated O&M Network
  • Effortless Operations: Full automation via Python/Ansible for deployment and maintenance.
  • Zero-Touch Provisioning (ZTP): Auto-fetch and install software/images for rapid out-of-box setup.

Panel Illustration

Specifications

Ports
 64x 200G QSFP56
2x 10G SFP+
Switch Chip
 Teralynx 7 IVM77700
CPU
 Broadwell DE D-1508
Number of VLANs
 4,094
Switching Capacity
 12.8 Tbps
MAC Address Entries
 44,000
Forwarding Rate
 7,650 Mpps
Jumbo Frame
 9,216 bytes
SDRAM
 DDR4 16 GB
ARP Entries
 36,000
SSD Memory
 128 GB
IPv4/IPv6 Routes
 IPv4: 96,000 Host + 72,000 Prefix
IPv6: 47,000 Host + 36,000 Prefix
Packet Buffer
 70 MB
Latency
 ~400ns
Hot-swappable AC Power Supplies
 2 (1+1 Redundancy)
Max. Power Consumption
 <792W
Hot-swappable Fans
 4 (3+1 Redundancy)
MTBF
 >100,000 Hours
Dimensions (HxWxD)
 88.8x440x560mm
Rack Units
 2 RU
Weight
 16KG
Thermal Airflow
 Front-to-Rear
DCS-O6402IEDCS-O3202KE