32 x 400Gb QSFP-DD Data Center Switch, 12.8Tbps, Sub-500ns Latency
SKU: CX732Q-N
$12,559.00 VAT excl.
- 12.8 Tbps in 1U: 32×400G QSFP-DD ports for super-spine and spine layers.
- Ultra-low latency: Sub-500 ns port-to-port.
- Advanced telemetry: INT for real-time packet visibility and congestion control.
- High availability: Hot-swappable redundant power and fan modules.
- Open AsterNOS: Enterprise SONiC pre-installed with top-tier SAI support.
- RoCE & AI fabrics: RoCEv2, BGP-EVPN, VXLAN, MLAG, PFC, ECN, DCBX, and multicast collectives.
- Fully compatible: Works with all major GPUs and SmartNICs.
- 2-Year Warranty
- AsterNOS Preloaded
- Perpetual License
- Description
- Specification
- Software
- Connection
- Additional information
- Documentation
- Warranty
- Reviews (0)
Designed for AI inference and training, high-performance computing (HPC), and cloud-scale storage, the Asteraix CX732Q-N delivers 12.8 Tbps switching capacity in a compact 1U form factor with 32×400G QSFP-DD. Built on Marvell Teralynx 7, this switch supports ultra-low latency (Sub-500 ns) and line-rate L2/L3 forwarding. Enterprise SONiC (AsterNOS) is pre-installed for RoCEv2, EVPN multi-homing, and cloud-native operation.
Networking
- Support for all leading collective communication libraries, including NCCL, RCCL, oneCCL, BCL, MPI, and Gloo
- Optimize collective operations (Allreduce, Allgather, All-to-all, Broadcast) with built-in multicast
- Support various network topologies, including spine-leaf, fat-tree, dragonfly, butterfly, 3D mesh/torus, hyper-x, and hypercube
- Full RoCEv2 data path with PFC, ECN, DCBX, and INT for lossless AI fabrics
- BGP-EVPN, VXLAN, and MLAG for scalable leaf-spine and multi-tenant deployments
Use case scenarios
- AI / ML training and inference clusters
- High-performance computing (HPC) fabrics
- Cloud and colocation spine-leaf networks
- High-density data center top-of-rack (ToR)
- Storage networks with RoCEv2 optimization
Specification
Rack & Physical
Dimension (HxWxD) 44×440×515mm
Weight 12KG
Rack Space 1U
Airflow Front to Rear
Data Plane Ports
Fixed Interfaces
(32) 400GbE QSFP-DD
Fixed Interfaces
(2) 10GbE SFP+
Switch Core
Switch ASIC Marvell Teralynx
Switching Capacity 12.8Tbps
Packet Buffer 70MB
Forwarding Rate 7600Mpps
Management & Control
Management Ports
(1) USB2.0
(1) Console RJ45
(1) MGMT RJ45
Control and Management CPU
(CPU) Broadwell DE D-1508
(RAM) 16GB DDR4, extensible to 96GB
(SSD) 128GB/-, m.2 SATA
Address & Routing Entries
Mac Addr. Entries 44K
ARP Entries 36K
IPv4 Prefix Routes 72K
IPv6 Prefix Routes 36K
Power & Cooling
Power Module (1+1) Hot-pluggable
FAN Modules (5+1) Hot-pluggable
Input Range 100~240V AC / 36~72V DC
Max Power Consumption 970W
Operating Environment
Op. Temperature 0~40℃ (32 to 104℉)
Op. Humidity 10%~90% (non-condensing)
AsterNOS – Enterprise SONiC, Optimized for Performance
AsterNOS is Asterfusion’s enhanced SONiC distribution, pre-installed on every CX Series switch. Built for modern data centers, it combines open-source flexibility with enterprise-grade reliability, usability, and speed. Battle-tested and production-ready, AsterNOS delivers the stability and performance you need — empowering your network to run smarter, faster, and stronger.
Layer 2 Features
- 4096 VLANs
- Multiple Spanning Tree Protocol (MSTP)
- Link Aggregation Control Protocol (LACP)
- 128 LAG groups / 64 LAG members
- Multi-Chassis Link Aggregation (MC-LAG)
- Link Layer Discovery Protocol (LLDP)
- Jumbo Frames (9K Bytes)
- Storm Suppression
- Port Isolation
- Monitoring Link
Layer 3 Features
- Routing Protocols: OSPF, OSPFv3, BGP, MP-BGP,IS-IS
- Equal Cost Multipath Routing (ECMP)
- VRF
- Bi-Directional Forwarding Detection (BFD)
- Route Maps
- VRRP
- Policy-Based Routing (PBR)
- AIDC Intelligent Routing
Virtualization Features
- VXLAN Routing and Bridging
- Anycast Gateway
- Distributed/Centralized Gateway
- Ethernet Auto Discovery
- Symmetry IRB
- EVPN Multi-homing
Management & Monitoring
- Console, SSH, Telnet, REST API, NETCONF
- Management over IPv6
- Industry Standard CLI
- Syslog
- Zero Touch Provisioning (ZTP)
- Containerized Custom Tools
- SNMPv2, SNMPv3, SNMP Trap
- SPAN, ERSPAN
- sFlow
- In-band Network Telemetry (INT)
- Buffer Drop Capture
- High Delay Capture
- AsterNOS Exporter (Prometheus)
- Grafana Dashboard
- RoCE Status
- Prometheus Alarm & Alert
Quality of Service (QoS)
- 802.1p-based classification
- DSCP-based classification and Remarking
- Strict priority queueing
- DWRR Scheduling
- Port/Queue-Based Traffic Shaping
- Rate limiting
- Explicit Congestion Notification (ECN)
- Per-Priority Flow Control (PFC)
- PFC Watchdog
- Data Center Bridging Extensions (DCBX)
- RoCEv2
- One-step RoCE Configuration
Security Features
Access Control Lists (ACLs)
- IPv4/IPv6 Ingress ACLs
- IPv4/IPv6 Egress ACLs
- User-defined Field (UDF) Matching
Security & Authentication
- Control Plane Policing (CoPP)
- Service ACLs
- TACACS+
- RADIUS
Connectivity solution
| Interface | QSFP-DD |
|---|---|
| Role | Leaf-Spine |
| Speed | 400G |
Documentation
Product Assurance & Logistics
Warranty & Support
Quality Certifications
Delivery Time
Our standard products are typically shipped within one week (business days).
For custom products, please contact customer service to inquire about the specific delivery time.
500 ns
12.8 Tbps
70 MB
↓ 5% vs. IB
Completion Time
↑ 27.5% vs. IB
Token Generation Rate
Advanced Hardware Features
Marvell Teralynx 7 Inside: Unleash Industry-Leading Performance & Ultra-Low Latency
With Marvell Teralynx 7 at its core, 400G switches achieve blazing-fast sub-500ns latency—perfect for AI/ML, HPC, and NVMe where speed drives results.
Redundant Power Supplies & Smart Fans
Boasting 32×400GbE QSFP-DD and 2×10GbE ports, the device supports interface splitting via breakout cables, which helps enhance the efficiency of network resource usage and accommodate diverse application scenarios.
The dual 1+1 hot-pluggable power supplies ensure continuous operation by allowing replacement without system shutdown. Equipped with 5+1 hot-pluggable fan modules, the system delivers reliable cooling performance to maintain stability and efficiency under demanding workloads.
Full RoCEv2 Support for Ultra-Low Latency & Lossless Networking
Asteraix 400G switches deliver full RoCEv2 support with ultra-low latency and near-zero CPU overhead. Combined with PFC and ECN for advanced congestion control, it enables a true lossless network.
Optimized Features for AI/ML/HPC
Enterprise SONiC is optimized for AI/ML/HPC scenarios, supporting efficient and resilient path selection via WCMP (Weighted Cost Multi-Path), as well as technologies like Flowlet to enhance traffic management.
HIGHLIGHT
Network Monitoring & Visualization
AsterNOS supports Node Exporter to send CPU, traffic, packet loss, latency, and RoCE congestion metrics to Prometheus. Paired with Grafana, it enables real-time, visual insight into network performance.
HIGHLIGHT
O&M in Minutes, Not Days
Automate with Easy RoCE, ZTP, Python and Ansible, SPAN / ERSPAN Monitoring & more—cutting config time, errors, and costs.
400G Switch Outperforms InfiniBand in AI Inference with Higher TGR and Lower Latency
In AI inference networks, the 400G switch delivers higher TGR (Token Generation Rate) and lower P90ITL (90th Percentile Inter-Token Latency) compared to InfiniBand, demonstrating faster inference speed and greater overall throughput performance.
Reviews
There are no reviews yet.