Switch Arista 7500R is Modular Switch with very high performance Core Data Center . This product has redundant module SUP (supervisor card), Fabric (service line cards), power module and fan modules
Switch Arista 7500R has four series : 4-slot chassis(7504R), 8-slot chassis (7508R), 12-slot (7512R) chassis , 16-slot (7516R) chassis.
ARISTA 7500 SUPERVISOR MODULE
Supervisor module handles all of management function and control plane. One module is run in active mode, another is in failover mode for redundancy. 
ARISTA 7500R FABRIC
Mainboard of ARISTA 7500R product is Fabric. Fabric connect all line cards in non-blocking architechture. All line cards supports hot-swap.
ARISTA 7500R FAN MODULE
All Fan module supports hot-swap and N+1 redundancy.
ARISTA 7500R POWER SUPPLY MODULE
+ Power module of ARISTA 7500R support AC and DC power.
+ N+N redundancy
Arista 7500R product runs EOS operating system based on Linux
EOS provides powerful and reliable services in Data Center while still leveraging Linux’s legacies such as security, stability, modularity and scalability.
This combination is unique in the Network industry and it is an opportunity to enhance functionality and development for the new Data Center network.
Flexibly Scalable in Data Center
With Switch Arista 7500R, we can expand the network in Data Center with MLAG (layer 2), ECMP (layer 3) and VXLAN technologies
Spec of ARISTA 7500R
