Arista 7388X5 Series 800G AI Spine Switch

Arista 7388X5 Series 800G AI Spine Switch

Brand: Arista | Category: Network Switches

SKU: ARIS-DCS7388X548Y8 | Part #: DCS-7388X5-48Y8 | MPN: DCS-7388X5-48Y8

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About the Arista 7388X5 Series 800G AI Spine Switch

The Arista 7388X5 Series represents a significant advancement in datacenter switching architecture, specifically engineered to address the extreme bandwidth and low-latency requirements of modern GPU-accelerated AI and machine learning training clusters. Launched in late 2024, this spine switch delivers unprecedented port density and throughput to serve as the backbone for petascale compute fabrics, enabling seamless inter-GPU communication across distributed training workloads. The 7388X5 builds on Arista's proven CloudEngine operating system and integrates advanced traffic management, telemetry, and congestion control mechanisms optimized for collective communication patterns inherent in AI frameworks like PyTorch, TensorFlow, and NCCL-based distributed training.

Ideal for

  • GPU cluster backend fabric for multi-thousand GPU AI training farms requiring sub-microsecond latency and lossless transport
  • Large language model (LLM) training infrastructure with all-reduce and collective communication at massive scale
  • High-performance computing (HPC) environments running distributed deep learning, reinforcement learning, and scientific simulation workloads
  • Cloud service provider datacenter spine tier interconnecting multiple GPU pod clusters with deterministic performance
  • Enterprise AI research centers deploying transformer-based foundation models with tens of thousands of GPUs
  • Generative AI inference cluster orchestration requiring guaranteed bandwidth and ultra-low packet loss

Technical specifications

ManufacturerArista
Model7388X5 Series
Product LineCloudEngine 7388X5
Switch TypeSpine Switch
Form FactorFixed modular architecture
Port Configuration800G interconnect ports optimized for AI/ML clustering
Switching Fabric Capacity51.2 Tbps aggregate throughput
ArchitectureLossless Ethernet with advanced congestion control
LatencySub-microsecond port-to-port latency
Operating SystemArista CloudEngine
Packet BufferEnterprise-class deep packet buffer for collective operations
Traffic ManagementPriority flow control, explicit congestion notification (ECN), DCQCN congestion algorithms
TelemetryAdvanced in-band and out-of-band telemetry for AI cluster observability
Power ConsumptionOptimized high-efficiency power architecture
CoolingHot-pluggable fan modules with redundant thermal management
Management InterfaceIntegrated secure management, SSH, SNMP v3, syslog
RedundancyN+1 supervisor and power supply architecture
Standards ComplianceIEEE 802.3bs 800G Ethernet, OpenFlow, YANG/NETCONF
Launch DateQ4 2024

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.

Technical Specifications

BrandArista
CategoryNetwork Switches
SKUARIS-DCS7388X548Y8
Part NumberDCS-7388X5-48Y8
ConditionNew
Model7388X5 Series
Product LineCloudEngine 7388X5
Switch TypeSpine Switch
Form FactorFixed modular architecture
Port Configuration800G interconnect ports optimized for AI/ML clustering
Switching Fabric Capacity51.2 Tbps aggregate throughput
ArchitectureLossless Ethernet with advanced congestion control
LatencySub-microsecond port-to-port latency
Operating SystemArista CloudEngine
Packet BufferEnterprise-class deep packet buffer for collective operations
Traffic ManagementPriority flow control, explicit congestion notification (ECN), DCQCN congestion algorithms
TelemetryAdvanced in-band and out-of-band telemetry for AI cluster observability
Power ConsumptionOptimized high-efficiency power architecture
CoolingHot-pluggable fan modules with redundant thermal management
Management InterfaceIntegrated secure management, SSH, SNMP v3, syslog
RedundancyN+1 supervisor and power supply architecture
Standards ComplianceIEEE 802.3bs 800G Ethernet, OpenFlow, YANG/NETCONF
Launch DateQ4 2024