1-415-230-4353

Expansion Module

Part Number Description

Comes with fixed 10/100/1000 ports

IDP 4 port SFP (non-bypass)

Comes with fixed SX optics

BLOG

April 16, 2026
Arista_DCS-7800R3AK-36DM-LC_Terabit_Systems

We now have the Arista DCS-7800R3AK-36DM-LC in stock, a high density 400G line card designed for the Arista 7800R3 modular switch platform, purpose built for CSP, ISP, hyperscaler, and CDN networks.

This line card is optimized for 400G spine, core, and...