Arista DCS-7135V-48Y-4QC-F | 7135V 48-Port 25G Switch, 4x 100G QSFP28

Q: What is the primary use case for the DCS-7135V-48Y-4QC-F?
A: This switch is designed for ultra-low latency data center environments such as high-frequency trading, financial services, and high-performance computing applications. The integrated FPGA allows for custom network application development and hardware-accelerated packet processing with nanosecond-level latency.

Q: What does the FPGA enable in this switch?
A: The Xilinx UltraScale+ FPGA provides programmable hardware acceleration for custom network applications including precision timestamping, low-latency multiplexing, packet filtering, replication, and Layer 1+ switching. Customers can develop custom FPGA applications using Arista development kits or run pre-built Arista applications.

Q: Can the QSFP28 ports be broken out?
A: Yes, each QSFP28 port can be configured as 100GbE, 40GbE, or broken out into 4x25GbE or 4x10GbE connections, providing flexible uplink and interconnect options for spine-leaf architectures or high-bandwidth aggregation.

Q: What is the difference between the F and R suffix models?
A: The F suffix indicates front-to-rear airflow cooling, where air flows from the port side to the fan side. This is typically used in cold-aisle data center configurations. The R suffix (rear-to-front) is used for hot-aisle deployments.

Q: Is this switch compatible with standard SFP28 and QSFP28 optics?
A: Yes, the switch supports standard SFP28 transceivers for 25GbE and 10GbE connections, as well as QSFP28 modules for 100GbE, 40GbE, and breakout configurations. Arista Enhanced Performance E-Series optics are recommended for FEC-free operation and minimal latency.