{"product_id":"arista-dcs-dl-7700r4c-38pe-b-f-7700r4-38-port-800gbe-distributed-leaf-switch-sup-el","title":"Arista DCS-DL-7700R4C-38PE-B-F | 7700R4 38-Port 800GbE Distributed Leaf Switch, Sup-EL","description":"The Arista 7700R4 Distributed Etherlink Leaf Switch delivers 38 x 800GbE OSFP ports — 18 host-facing and 20 fabric-facing — purpose-built for ultra-large-scale AI, ML, and HPC accelerated computing clusters. Powered by Broadcom Jericho3-AI 5nm silicon, it operates as part of the 7700R4 Distributed Etherlink Switch (DES) system, functioning as a single logical switch that scales to over 27,000 x 800GbE ports. Its cell-based traffic spraying, Virtual Output Queues, and distributed credit scheduling deliver 100% lossless, non-blocking fabric performance with no noisy-neighbour interference.\u003cbr\u003e\u003cbr\u003eThis unit ships with the Sup-EL supervisor, front-to-rear (B-side) airflow, 2 x AC power supplies, and 2 x SAF-D power cords. It pairs with the Arista 7720R4 spine in 2-tier or 3-tier leaf-spine topologies, supports DCQCN, PFC, ECN, Cluster Load Balancing, and is Ultra Ethernet Consortium (UEC) forward compatible. Running Arista EOS with CloudVision integration, it delivers deep telemetry, RDMA-optimised load balancing, and pay-as-you-grow linear scaling. Available now at iptrading.com.au — competitive prices and local support.","brand":"Arista","offers":[{"title":"Default Title","offer_id":63479112696177,"sku":"DCS-DL-7700R4C-38PE-B-F","price":0.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/3665\/1889\/files\/Screenshot_2026-04-21_121049_4128a9aa-f8be-45b0-b0cf-25d010022b5d.png?v=1776739714","url":"https:\/\/www.iptrading.com.au\/products\/arista-dcs-dl-7700r4c-38pe-b-f-7700r4-38-port-800gbe-distributed-leaf-switch-sup-el","provider":"IP Trading Pty Ltd","version":"1.0","type":"link"}