Description
The HPE Networking Instant On Switch 1940 S4A32A is a managed PoE switch designed for small and medium-sized businesses that need a combination of Gigabit connectivity, faster 2.5GbE access ports, high-speed SFP+ uplinks, and substantial PoE capacity. HPE/distributor listings identify this model as the Instant On 1940 20-port Gigabit Class 4 PoE + 4-port 2.5G Class 6 PoE, with 4 SFP+ ports and a 370W power budget.
The switch provides 20 Gigabit Ethernet ports for standard network devices and 4 × 2.5GbE ports for higher-bandwidth devices such as modern wireless access points. The 2.5GbE ports support Class 6 PoE, while the Gigabit PoE ports support Class 4 PoE. This makes the S4A32A particularly suitable for modern SMB networks using high-performance Wi-Fi access points, IP phones, cameras, and other PoE-powered devices.
For network aggregation and uplinks, the S4A32A includes 4 dedicated SFP+ ports, providing up to 10GbE connectivity when compatible SFP+ transceivers are used. Its 370W PoE budget provides considerable power capacity for connected PoE devices.
Specifications
| Specification | Details |
|---|---|
| Brand | HPE Networking |
| Series | Instant On 1940 |
| Model | S4A32A |
| Product Type | Managed PoE Switch |
| Gigabit Ports | 20 × 1GbE |
| 2.5GbE Ports | 4 × 2.5GbE |
| Total RJ45 Ports | 24 |
| Gigabit PoE | Class 4 PoE |
| 2.5GbE PoE | Class 6 PoE |
| PoE Budget | 370W |
| SFP+ Uplinks | 4 × SFP+ |
| SFP+ Speed | Up to 10GbE |
| Management | Managed |
| Series | HPE Networking Instant On 1940 |
| Target Users | Small & Medium Businesses |
| Typical Applications | Wi-Fi APs, IP Cameras, VoIP Phones, Business Networks |
| High-Speed Access | 2.5GbE |
| Fiber Uplink | SFP+ |
The exact configuration is listed as “20p Gigabit CL4 + 4p SR2.5G CL6 PoE + 4p SFP+ 370W 1940”, confirming the combination of 20 Gigabit ports, four 2.5G PoE ports, four SFP+ ports, and the 370W PoE budget.
