Overview
Open 400G Spine Switch Platform
- 32×QSFP-DD 400GbE, breakout to 4×100G / 2×200G
- 12.8Tbps, 64MB buffer, <700ns latency
- 1+1 redundant 1500W PSU, dual airflow
- ONIE open architecture · SONiC/AsterNOS
Learn More
Overview
The DS4000 serves as our proven reference hardware platform for **OEM / ODM data-center switch projects**. Based on mature Broadcom Tomahawk3 silicon, this 1U open bare-metal 400G spine switch can be adapted to your brand and technical requirements.
- 32×QSFP-DD 400GbE, breakout to 4×100G / 2×200G
- 12.8Tbps, 64MB shared buffer, <700ns latency
- 1+1 redundant 1500W PSU, dual airflow options
- ONIE open architecture, compatible with SONiC / AsterNOS
Key Features
- 1U rack-mount open bare-metal 400G data center switch, powered by Broadcom Tomahawk3 high-performance switching ASIC, designed for high-bandwidth spine-leaf CLOS architecture of cloud, big data and AI clusters.
- 32 × QSFP-DD 400GbE high-density data ports; each port supports flexible breakout into 4×100G or 2×200G sub-rate ports to meet spine core, leaf TOR and aggregation layered networking demands.
- Total switching capacity up to 12.8 Tbps with 64MB large shared packet buffer, ultra-low cut-through forwarding latency below 700ns, excellent burst absorption and congestion control for high-concurrency AI training and storage traffic.
- Enterprise high-reliability hardware design: 1+1 redundant hot-swappable 1500W AC power supplies, redundant hot-swappable fan modules; dual airflow options (front-to-back / back-to-front) to match different cabinet cooling layouts.
- High-performance Intel Xeon D x86 modular control plane, independent BMC out-of-band management chip, fully compliant with IPMI 2.0 for remote hardware monitoring, fault alarm and power on/off control.
- Standard ONIE open installation architecture, natively compatible with mainstream open NOS including SONiC and AsterNOS, fully decoupled hardware & software to support customized data center network deployment.
- Complete L2/L3 full-stack data center protocols: IPv4/IPv6 dual stack, static routing, OSPF, MP-BGP, IS-IS, VLAN, MC-LAG, IGMP Snooping, TRILL and VXLAN overlay virtual tunneling.
- Full DCB lossless Ethernet capability: DCBX, PFC priority flow control, ETS enhanced transmission selection, QCN congestion notification, perfectly adapted to RDMA low-latency transmission for AI storage and computing clusters.
- Multi-level refined QoS scheduling, two-rate three-color traffic policing, airtime fairness, DSCP mapping, effective traffic isolation and bandwidth guarantee for multi-tenant cloud scenarios.
- Comprehensive network security defense: multi-layer ACL filtering, anti-DDoS attack, wireless frame filtering, port isolation, access control list to avoid cross-tenant data leakage.
- Rich automated operation & maintenance capabilities: ZTP zero-touch automatic deployment, real-time high-precision telemetry, REST API, SSH, SNMP, CLI multi-mode management, easy integration with cloud native automation platforms.
- Optional IEEE1588v2 & SyncE high-precision clock synchronization module to meet timing synchronization requirements of financial, 5G and high-performance computing scenarios.
OEM / ODM Customization Options Based on DS4000 Platform
We support multiple-level customization for B2B partners based on this bare-metal switch platform.
- **White-Label Branding**: Custom front-panel silk-screen logo, custom model naming, customized packaging for your private-label product line.
- **Hardware Adjustment**: Selectable memory / storage configuration; adjust auxiliary port combinations according to project requirements.
- **Firmware & NOS adaptation**: Assist with SONiC configuration tuning, feature enable/disable, and specialized function tailoring.
- **Documentation Customization**: Custom datasheet, user manual and quick-start guide printed under your brand identity.
- **Project-oriented service**: Sample validation, small-batch trial production and mass-production delivery.
> This platform is widely adopted by system integrators, solution vendors and IT distributors for building their own branded 400G data-center switch products.
Specifications
Basic Hardware & Switch Chip
| Item |
Parameter |
| Model |
DS4000 |
| Switch ASIC |
Broadcom Tomahawk3 |
| Form Factor |
19-inch standard 1U rack-mount chassis |
| Switching Bandwidth |
12.8 Tbps |
| Packet Buffer |
64MB shared packet buffer |
| Cut-through Latency |
<700ns port-to-port forwarding latency |
| Forwarding Table Capacity |
Large LPM routing table, multi-layer ACL entry storage, support large-scale cloud multi-tenant routing |
Interface Specifications
| Item |
Parameter |
| Data Ports |
32 × QSFP-DD 400GbE high-density optical ports |
| Port Breakout Capability |
Each QSFP-DD port can split into 4×100G or 2×200G sub-rate ports |
| Auxiliary Management Ports |
1 × RJ45 10/100/1000M shared CPU/BMC management Ethernet port; 1 × RJ45 RS232 serial Console debug port; 1 × Type-A USB 2.0 local storage port; Optional 1-2 × SFP+ 10G auxiliary optical ports |
Control Plane & BMC OOB Management
| Item |
Parameter |
| CPU Module |
COM-E modular Intel Xeon D x86 processor, 4-core standard configuration |
| Memory |
Standard 16GB ECC DDR4, expandable up to 32GB |
| Local Storage |
M.2 SSD (default 64GB) |
| BMC Management |
Independent BMC management chip, fully compliant with IPMI 2.0 standard; Support remote hardware health monitoring, fault alarm, remote power on/off control |
| Installation Architecture |
Standard ONIE open bare-metal installation system |
Power, Cooling & Power Consumption
| Item |
Parameter |
| Power Supply |
1+1 redundant hot-swappable 1500W AC power modules |
| Input Voltage |
AC 100-240V auto-ranging, 47-63Hz |
| Cooling Fans |
6+1 redundant hot-swappable fan modules |
| Airflow Options |
Dual airflow design, Front-to-Back (F2B) / Back-to-Front (B2F) optional |
| Peak Power Consumption |
1100W (with full QSFP-DD 400G optical modules) |
Physical Dimension & Environment
| Item |
Parameter |
| Dimension |
H 43.1mm × W 438.5mm × D 657.5mm |
| Operating Temperature |
-5°C ~ +40°C (both airflow modes) |
| Storage Temperature |
-40℃ ~ +70℃ |
| Operating Relative Humidity |
40% ~ 60% RH, non-condensing |
| Storage Relative Humidity |
5% ~ 95% RH, non-condensing |
| MTBF |
≥150,000 hours |
L2/L3 & Data Center Features
| Category |
Features |
| L2/L3 Routing Protocols |
IPv4/IPv6 dual stack, static route, RIP, OSPF, IS-IS, MP-BGP, ECMP/WCMP, VRF, VRRP; VLAN, STP/RSTP/MSTP, MC-LAG, IGMP Snooping, PIM-SM/PIM-DM/PIM-SSM multicast |
| DCB Lossless Ethernet |
DCBX, PFC priority flow control, ETS enhanced transmission selection, QCN congestion notification; Support RDMA low-latency lossless transmission for AI computing & storage clusters |
| Overlay Virtual Network |
VXLAN overlay tunnel encapsulation/decapsulation, TRILL, NVGRE, L2 GRE, hardware-based tunneling |
| QoS & Traffic Management |
10 independent QoS queues per port for unicast/multicast traffic; SP, WRR, WDRR multi-level scheduling, two-rate three-color traffic policing; Per-port DSCP mapping, airtime fairness scheduling, port-level bandwidth limitation |
| Security & Telemetry |
Multi-layer hardware ACL filtering, anti-DDoS attack defense, port isolation, storm control; Real-time high-precision telemetry, packet timestamp, buffer instantaneous traffic capture; Optional IEEE1588v2 & SyncE high-precision clock synchronization module |
Management Methods
| Category |
Items |
| Local Management |
CLI serial console, local WEB GUI |
| Remote Management |
SSH, SNMP v2c/v3, REST API, ZTP zero-touch automatic provisioning |
| Out-of-band Management |
BMC IPMI 2.0 remote power control, full hardware real-time health monitoring |
Application Scenarios
- Cloud data center high-performance Spine-Leaf CLOS architecture
- AI computing / big-data / HPC cluster interconnection
- 400G spine core deployment
- High-capacity data center aggregation-layer networking
- Reference hardware platform for OEM / ODM private-label switch product development
For OEM-ODM customization requirement, sample request or project quotation, please contact our solution team.
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