HPE Networking Instant On Switch 1940 S4A34A
is a 48-port Gigabit managed PoE switch designed for small and medium-sized businesses that require reliable wired connectivity, Power over Ethernet, and high-speed network uplinks.
The switch provides 48 × Gigabit Ethernet ports with Class 4 PoE for connecting and powering devices such as wireless access points, IP phones, IP cameras, and other network equipment. It offers a total 370W PoE power budget, providing sufficient power capacity for multiple PoE devices across the network.
For high-speed network aggregation, the S4A34A includes 4 dedicated SFP+ ports, supporting up to 10GbE uplink connectivity with compatible SFP+ transceivers. This makes it suitable for connecting the switch to servers, storage systems, core switches, or other high-bandwidth network infrastructure.
The Instant On 1940 series is part of HPE’s SMB-focused networking portfolio and supports managed networking capabilities with cloud-based and local web management, allowing businesses to configure and monitor their network without the complexity of traditional enterprise switching. HPE describes the Instant On platform as a smart-managed Layer 2+ switching solution for SMB deployments.
The S4A34A is the 48-port PoE configuration, while S4A33A is the corresponding 48-port non-PoE model.
Specifications
| Specification | Details |
|---|---|
| Brand | HPE Networking |
| Series | Instant On 1940 |
| Model | S4A34A |
| Product Type | Managed PoE Switch |
| Ethernet Ports | 48 × Gigabit Ethernet |
| Port Speed | 10/100/1000 Mbps |
| PoE | Class 4 PoE |
| PoE Standard | IEEE 802.3af/at |
| Total PoE Budget | 370W |
| Maximum PoE per Port | Up to 30W |
| SFP+ Ports | 4 × SFP+ |
| SFP+ Speed | Up to 10GbE |
| Uplink Type | SFP+ |
| Management | Smart Managed |
| Target Market | Small & Medium Businesses |
| Typical Applications | Wi-Fi APs, IP Cameras, IP Phones, IoT Devices |
| Mounting | Rack Mount |
| PoE Devices | Access Points, IP Phones, Cameras |
Additional information
| Access Ports | 48 |
|---|---|
| Forwarding Rate (Throughput) | 130.95 Mpps |
| Management Platform | HPE Networking Instant On Cloud, Instant On Mobile App, Local Web GUI |
| Mounting Options | Rack Mount |
| POE | Support POE |
| POE Budget | from 250 t0 400 w |
| Layer | Layer 2+ |
| Switching Capacity | 176 Gbps |
| Uplink Ports | 4 |
| UpLinks Speed | 10G |






