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

DescriptionHalf rack of switching that delivers the highest 40GbE capacity in the industryAn 8 slot system with airflow for server or network rows replacing Catalyst 6509Compact high density and resilient system with flexible interface choices for leaf / spine and collapsed spline
Switching Capacity40Tbps20Tbps10Tbps
10G Ports20481024512
40G Ports512256128
Forwarding Rate30 Bpps15 Bpps7.5 Bpps
Total Buffer384MB192MB96MB
Rack Units21138

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.

Ports32 QSFP+48 SFP+


48 10G-T


10GbE Interfaces128 (QSFP+)6464 (48-T, 16-X)
40GbE Interfaces3244
Port Buffer24MB12MB12MB
Nominal Power238W211W290W
Forwarding Rate1.92Bpps960Mpps960Mpps

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
Latency550ns — 2usec (40G)
MAC Table Size32K to 288K
Maximum IPv4 Host Routes32K to 288K
Maximum IPv6 Host Routes16K to 104K
Maximum IPv4 Unicast Route Prefixes16K to 144K
Maximum IPv6 Unicast Route Prefixes8K to 77K*
Maximum Multicast Groups288K with 8K unique groups
Maximum ACL Entries4-8K Ingress, 1-2K Egress
Maximum LAG MembersUp to 64 member ports
Maximum LAG GroupsUp to 1024
Maximum ECMP Fanout64-way