AIS400-640
64 x QSFP400 switch ports with Tomahawk 5. High-performance, low-latency switch for data centers.
51.2T
Throughput
64 Ports
QSFP-DD400

Overview
The AIS400-640 is a high-performance switch optimized for large-scale data centers with 64 QSFP400 ports.
Data Center Switch
A high-capacity data center switch supporting 3.2Tbps to 51.2Tbps and 2K to 20K ports with up to 400G connectivity. Reduces cost and power per port, enabling scalable 400G migration.
AI/ML Clusters
Optimized for high-throughput RDMA workloads with low latency. Enhances Job Completion Time (JCT) using advanced routing and congestion control for AI/ML applications.
High-Performance Computing
Supports high-capacity Ethernet ports for seamless compute and storage network switching. Facilitates virtualization in HPC environments.
Cloud DCI
Supports 400G QSFP-DD and future-proof 400G QSFP-DD400 configurations for high-speed Data Center Interconnect (DCI) scenarios.
Key Capabilities
QSFP-DD400 ports support 400G PAM4, with breakout to 2x400G, 4x200G, etc.
Supports multiple PAM4 and NRZ configurations across port types.
32-port 1RU high-density design.
Low-latency switching ideal for trading & real-time apps.
Specifications
Switch Ports
64 x QSFP-DD400 QSFP400
Switch Silicon
BCM78900 Tomahawk 5
TPM
TPM 2.0 SPI
Processor
Intel® Xeon® 6-Core 2.2 GHz
Rack
2RU form factor
Timing and Sync
Optional PPS In/Out, 1PPS Port, 10MHz Port, ToD Port, SyncE, IEEE 1588v2 PTP
BMC
AST2520 with OpenBMC secured by AST1050 Root of Trust
Fans
8 hot-swappable fan modules with 7+1 redundant fan
SPI Flash
SAME 2 x 2
Storage
-40°C to 70°C
Memory
3200B DDR4 SO-DIMM with ECC
Operating Temperature
0°C to 45°C (front to back)
Storage Temperature
-40°C to 70°C (back to front)
Software & Compatibility
Software
- SONiC
Compatible Transceivers
- 400G QSFP-DD LPO
- 400G QSFP-DD SR8
- 400G QSFP-DD PSM8
- 400G QSFP-DD SR4
- 400G QSFP-DD SR8
Compatible Cables
- 400G QSFP-DD SR4
Explore Our Related Product

AIS400-1280
128 x QSFP400 ports, ideal for ultra-dense AI workloads and cloud infrastructure.

