Brand: Arista | Category: Network Switches
SKU: ARIS-DCS7816R4CH | Part #: DCS-7816R4-CH | MPN: DCS-7816R4-CH
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The Arista 7800R4 AI Spine Modular Switch from Arista is enterprise-grade Network Switches hardware built for data centers. Arista 7800R4 is a 16-slot modular AI spine chassis delivering terabit-scale 800G connectivity with deep packet buffers purpose-built for large-scale GPU cluster back-end fabrics. 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-DCS7816R4CH |
| Part Number | DCS-7816R4-CH |
| Condition | New |
| Product Family | 7800R4 Series |
| Chassis Slots | 16 line card slots |
| Launch Generation | 2025 Q4 (4th-generation 7800 platform) |
| Forwarding ASICs | Jericho3-AI (line cards) with Ramon3 fabric elements |
| Aggregate Switching Capacity | Up to ~700 Tbps (full chassis, exact figure subject to line card mix) |
| Maximum Port Density (800GbE) | High-density 800GbE line cards; exact port count per slot defined by line card SKU |
| Supported Port Speeds | 800GbE, 400GbE, 200GbE, 100GbE, 40GbE (via breakout) |
| Buffer Architecture | Deep packet buffering per port (multiple gigabytes per line card ASIC); exact per-port buffer disclosed in line card datasheets |
| Switch Fabric Architecture | Orthogonal, non-blocking distributed crossbar fabric with redundant fabric modules |
| Supervisor Modules | Redundant dual supervisor modules with hitless failover and SSO (Stateful Switchover) |
| Lossless Fabric Support | RoCEv2 with ECN, PFC, Dynamic Buffer Allocation, and DCQCN congestion control |
| Routing Protocols | BGP, OSPF, IS-IS, MPLS, EVPN, SR-MPLS, SRv6 |
| AI Network Features | AI Network Insights via CloudVision, GPU telemetry correlation, flow-level congestion analytics, RDMA traffic visibility |
| Operating System | Arista EOS (Extensible Operating System) with multi-agent architecture |
| Management & Orchestration | Arista CloudVision (CVP), REST API, OpenConfig, gNMI, gRPC, NETCONF/YANG, eAPI |
| Power Supply | Redundant hot-swappable PSUs; N+1 and N+N configurations supported |
| Cooling | Hot-swappable fan tray modules with front-to-rear and rear-to-front airflow options |
| Form Factor | 19-inch rack-mountable modular chassis (exact RU height per chassis variant) |
| High Availability | Hitless ISSU, non-stop routing (NSR), non-stop forwarding (NSF), BFD, LACP |
| Timing & Synchronization | IEEE 1588v2 PTP (Precision Time Protocol), SyncE support |
| Security | MACsec 256-bit encryption on 800G ports, Control Plane Policing (CoPP), RBAC, AAA/TACACS+/RADIUS |
| Standards Compliance | IEEE 802.3df (800GbE), IEEE 802.1Q, IEEE 802.3ad, IEEE 802.1X, RFC-compliant BGP/EVPN suite |