The Dell S4128F-ON-RA from manufacturer Dell is a 1U rack-mount switch featuring 28x 10Gb SFP+ ports and 2x 100Gb QSFP28 uplinks. It supports transmission speeds up to 960 Gbps switching capacity with a forwarding rate of 720 Mpps.

This model operates on OS10, offers front-to-back airflow (B-F Air), and includes part number references such as 210-ALTF. Suitable for data aggregation or high-density deployments, it supports latency down to 800 nanoseconds and has a MAC address table size of up to 272,000 entries. The unit does not provide PoE power output despite mention in the name; powered by standard AC inputs for data center environments using fiber connectivity solutions.

Dell S4128F-ON: 28x 10GbE SFP+, 2x 100GbE QSFP28, 2x AC PSU, 4x Fan module, Back-to-Front Airflow (PSU to I/O Panel Airflow / Reversed). OS10 Included.