High Performance, Feature Rich 10/40/100GbE Systems: 50Tbps & 256 x 100GbE, 512x 40GbE, 2048x 10GbE, 768x 10GBASE-T

Designed for large scale leaf / spine and Spline™ networks the Arista 7300X and 7320X Series modular switches deliver industry leading density and performance with a rich choice of interface types for server leaf and spine network deployment. They combine scalable L2 and L3 features with comprehensive network monitoring, virtualization and visibility features.

System Performance:

The Arista 7300 systems can be fully populated with up to 16, eight or four linecards respectively

7316 7308 7304
Description Half rack of switching that delivers the highest 40GbE capacity in the industry An 8 slot system with airflow for server or network rows replacing Catalyst 6509 Compact high density and resilient system with flexible interface choices for leaf / spine and collapsed spline
Switching Capacity 40Tbps 20Tbps 10Tbps
Linecards 16 8 4
10G Ports 2048 1024 512
40G Ports 512 256 128
Forwarding Rate 30 Bpps 15 Bpps 7.5 Bpps
Total Buffer 384MB 192MB 96MB
Rack Units 21 13 8

Linecard Comparison:

7300X Series linecards provide a choice of speed and density addressing 1/10/40 GbE requirements with a consistent set of features. Each module is power efficient and delivers consistent performance and low latency with a dynamically allocated buffer that is optimized for fully meshed East-West traffic patterns.

7300X-32Q 7300X-64S 7300X-64T
Ports 32 QSFP+ 48 SFP+


48 10G-T


10GbE Interfaces 128 (QSFP+) 64 64 (48-T, 16-X)
40GbE Interfaces 32 4 4
Port Buffer 24MB 12MB 12MB
Nominal Power 238W 211W 290W
Forwarding Rate 1.92Bpps 960Mpps 960Mpps

Linecard Features:

Each 7300X Series linecard delivers a consistent set of features supporting layer 2 and layer 3 data center designs with predictable and linear scaling.

7300 Linecards
Latency 550ns — 2usec (40G)
MAC Table Size 32K to 288K
Maximum IPv4 Host Routes 32K to 288K
Maximum IPv6 Host Routes 16K to 104K
Maximum IPv4 Unicast Route Prefixes 16K to 144K
Maximum IPv6 Unicast Route Prefixes 8K to 77K*
Maximum Multicast Groups 288K with 8K unique groups
Maximum ACL Entries 4-8K Ingress, 1-2K Egress
Maximum LAG Members Up to 64 member ports
Maximum LAG Groups Up to 1024
Maximum ECMP Fanout 64-way