The S4128F-ON switches are a one rack unit (RU), full-featured fixed form-factor top-of-rack (ToR) 10/25/40/50/100GbE switch for 10GBaseT servers with copper BaseT RJ-45, small form-factor pluggable plus (SFP+), quad small form-factor pluggable plus (QSFP+), and quad small form-factor pluggable 28 (QSFP28) ports.
| S4128F-ON Specification | |
| Brand | Dell |
| Model | S4128F-ON |
| Number of Ports | 28 x 10/25GbE SFP28, 2 x 100GbE QSFP28 |
| Performance | 1.6 Tbps switching capacity, 1.19 Bpps forwarding rate |
| Power Consumption | 128W (typical) |
| Operating System | Dell EMC Networking Operating System (ONOS) |
| Latency | 500 ns (L2/L3, cut-through) |
