Arista 48-port 25G leaf switch (example)

Base DCS-7050SX3-48YC8

Example CTO build for a 48 × 25G + 8 × 100G leaf: matched power/airflow, optics and cables, software licences, and A-Care support.

Example configurator: options and part numbers are illustrative placeholders for demonstration. Final MPNs, compatibility, and pricing are confirmed by ianAsher engineering with the manufacturer or distributor.

1. Power supplies

Required · total qty 2–2

Two AC supplies; airflow must match the fan modules.

Example AC PSU, front-to-rear airflow EX-AR-PSU-AC-F Example AC PSU, rear-to-front airflow EX-AR-PSU-AC-R

Quantity (1–2)

2. Fan modules

Required · total qty 1–1

Airflow direction must match the power supplies.

Example fan set, front-to-rear airflow EX-AR-FAN-F Example fan set, rear-to-front airflow EX-AR-FAN-R

3. Optics

Optional · pick any · total qty 0–56

Up to 48 SFP and 8 QSFP ports.

Example 25G SR SFP28 transceiver EX-AR-SFP25-SR Example 10G SR SFP+ transceiver EX-AR-SFP10-SR Example 100G SR4 QSFP28 transceiver EX-AR-Q100-SR4 Example 100G LR4 QSFP28 transceiver EX-AR-Q100-LR4

4. Cables

Optional · pick any · total qty 0–56

Example 25G SFP28 DAC, 3 m EX-AR-DAC25-3M Example 100G QSFP28 DAC, 3 m EX-AR-DAC100-3M

5. Software licences

Optional · pick any · total qty 0–3

Example enhanced routing feature licence EX-AR-LIC-ROUTE Example CloudVision subscription (per device) EX-AR-LIC-CV

6. A-Care support

Required · total qty 1–1

Example 1-year A-Care next-business-day EX-AR-ACARE-NBD-1Y Example 1-year A-Care 4-hour EX-AR-ACARE-4H-1Y Example 3-year A-Care next-business-day EX-AR-ACARE-NBD-3Y

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We'll validate this build, source it through the right channel, and register the opportunity where the vendor program allows.

System quantity Target close / need-by date Your name Company Email Phone End-user company (if different) Project name

Notes (workload, rack/power limits, existing gear)