High density 400GbE and 200GbE Modular solutions for Hyperscale Cloud and I/O intensive environments.

The Arista 7388X5 Series deliver high density 200G and 400G optimized for Hyperscale Cloud, Artificial Intelligence and Machine Learning environments employing high network radix. The 7388X5 is a modular system built on a single 25.6Tbps high capacity packet processor for data intensive workloads requiring consistent low latency, with a flexible choice of industry standard interfaces, and significant improvements in power consumption and system density.

The 7388X5 provides wirespeed and scalable performance with rich EOS features including advances in traffic awareness, congestion handling and instrumentation that improve network resilience, visibility and congestion management in large scale multi-tier networks.

Arista 7060X5 and7388X5 Series Introduction

7388X5 Series
Switch Height 4U
Ports 128 x QSFP56 200G or 64 x OSFP / QSFP-DD
Max 100G Density 256
Max 200G Density 128
Max 400G Density 64
Max IO Rate (Tbps) 25.6Tbps
Max Forwarding Rate 10.6Bpps
Latency 825ns
Packet Buffer Memory 114MB
Airflow Direction Front-to-Back

High Performance 200/400G modular system for Hyperscale Cloud

  • Single 25.6Tbps packet processor enables high port radix
  • High density 100G, 200G and 400G
  • Flexible 10G, 25G, 100G, 200G and 400G support
  • Up to 25.6 Tbps system capacity
  • Up to 10.6 billion packets per second
  • Wire speed L2 and L3 forwarding
  • Latency from 825ns for 200G

Advanced Traffic Control, Provisioning and Monitoring

Optimized for DC Designs

  • Flexible choice of 200G and 400G interfaces with support for MACsec
  • 128 ports of 200G in 4RU
  • All active components field removable
  • Mix and match IO Modules
  • Typical power of under 10W per 200G port
  • Over 96% efficient power supplies
  • N+N redundant & hot-swappable power
  • N+1 redundant & hot-swappable fans
  • Front-to-rear cooling

Arista Extensible Operating System

  • Single binary image for all products
  • 64-bit EOS
  • Fine-grained truly modular network OS
  • Stateful Fault Containment (SFC)
  • Stateful Fault Repair (SFR)
  • Full Access to Linux shell and tools
  • Extensible platform - bash, python, C++

High Availability

  • Smart System Upgrade with Hitless Software Upgrade
  • Self-healing stateful fault repair (SFR)
  • Resilient ECMP and LAG Hashing

Arista 7388X5 Series Specifications

Description 64-Port 400G QSFP-DD
128 x 200G QSFP56
Maximum 400G Ports 64
Maximum 200G Ports 128
Maximum 100G Ports 256
Maximum 40G Ports 64
L2/L3 Throughput 25.6 Tbps
L2/L3 PPS Up to 10.6 Bpps
Latency 825ns
Typical Power Draw Under 1250W
AC and DC Yes
Total System Buffer 114MB
RU 4
CloudVision Yes
Smart System Upgrade Yes*
VM Tracer Yes
Hitless Speed Changes Yes*
Airflow Front to Rear


* Not yet supported in EOS


Resources* 7388X5
MAC Table Size


Maximum v4/v6 Host Routes 500K
Maximum IPv4 Route Prefixes 800K
Maximum IPv6 Route Prefixes 500K
Maximum Multicast IGMP Groups 128K max, with 512 unique groups
Maximum LAG Groups 128 (In breakout mode)
Maximum LAG Members 64 Ports
Maximum ECMP Fanout 128-way

* All resource values are maximum hardware capacity