Brand: Arista | Category: Network Switches
SKU: ARIS-DCS7700R4200CRF | Part #: DCS-7700R4-200CR-F | MPN: DCS-7700R4-200CR-F
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The Arista 7700R4 Distributed Etherlink Switch from Arista is enterprise-grade Network Switches hardware built for data centers. Arista's 7700R4 Distributed Etherlink Switch delivers single-hop, ultra-low-latency Ethernet fabric scaling AI GPU clusters to tens of thousands of endpoints. Available in brand new condition. Arista network switches products are trusted by enterprises and data centers worldwide. Available from Omnixon Global. Contact our sales team to request a quote.
| Brand | Arista |
| Category | Network Switches |
| SKU | ARIS-DCS7700R4200CRF |
| Part Number | DCS-7700R4-200CR-F |
| Condition | New |
| Product Family | 7700R4 Series |
| Architecture | Distributed Etherlink — single logical switching domain across distributed chassis nodes |
| Platform Launch | 2025 Q3 |
| Network Operating System | Arista EOS (Extensible Operating System), single unified image |
| GPU Cluster Scale | Tens of thousands of GPUs in a single-hop, flat Layer 2/Layer 3 fabric |
| Switching Topology | Single-hop any-to-any distributed fabric; no spine-leaf hierarchy required |
| Port Speeds Supported | 400GbE, 800GbE per port (with roadmap to 1.6TbE) |
| Aggregate Fabric Bandwidth | Multi-petabit bisectional bandwidth across distributed fabric nodes |
| Latency Profile | Sub-microsecond port-to-port cut-through forwarding for intra-fabric traffic |
| RDMA Support | RoCEv2 (RDMA over Converged Ethernet v2) with hardware-enforced lossless transport |
| Congestion Management | Hardware ECN (Explicit Congestion Notification) and PFC (Priority Flow Control) per IEEE 802.1Qbb |
| Buffer Architecture | Deep shared-memory buffer pools with dynamic threshold allocation for AI burst absorption |
| Redundancy | Redundant fabric modules, supervisor modules, power supplies, and fan trays with hitless failover |
| Management Platform | Arista CloudVision — single-pane-of-glass automation, telemetry, and compliance |
| Streaming Telemetry | Arista DANZ (Data ANalyZer) with gRPC/gNMI streaming at millisecond granularity |
| Automation Support | OpenConfig, NETCONF, RESTCONF, gNMI, Ansible, Terraform, Python EOS SDK |
| AI Workload Protocols | GPU Direct RDMA over Ethernet, RoCEv2, BGP EVPN, VXLAN |
| Routing Protocols | BGP, OSPF, IS-IS, ECMP, BFD with hardware-accelerated forwarding tables |
| Power Architecture | N+1 and N+N hot-swappable PSUs; front-to-rear and rear-to-front airflow options |
| Form Factor | Distributed multi-node chassis; rack-mountable line card nodes with centralized fabric interconnect |
| Standards Compliance | IEEE 802.1Q, 802.1Qbb (PFC), 802.3bs (400GbE), 802.3df (800GbE), RFC 4271 (BGP) |