Product Overview
The HPE J9578A is the HPE 2920-48G Layer 3 managed switch, part of
the HPE 2920 Switch Series. It features 48 Gigabit Ethernet ports
and is designed for enterprise edge, SMB core, and campus access
deployments. With advanced Layer 2 and Layer 3 features, stacking
capabilities, and support for high-speed uplinks, it delivers
scalable, secure, and energy-efficient network access.
Product Details
| Item | Description |
|---|
| Model Number | J9578A |
| Product Name | HPE 2920-48G Switch |
| Form Factor | Rackmountable, 1U |
| Switching Capacity | 100 Gbps |
| Forwarding Rate | 74.4 Mpps |
| Ports | 48 x 10/100/1000 Gigabit RJ-45 |
| Expansion Slots | 4 x Dual-Personality Ports or 2 x 10G SFP+ Modules |
| Stackable | Yes, via optional stacking modules |
| Layer Support | Layer 2 and Layer 3 |
| Power Supply | Internal (Modular, hot-swappable) |
| Management | Web GUI, CLI, SNMP, RMON, sFlow |
| Mounting | Rackmountable with included kit |
Product Features
48 Gigabit Ethernet ports for high-speed access layer connectivity
Advanced Layer 3 routing including static and RIP routing protocols
Optional stacking supports up to four switches in a virtual stack
Dual-personality ports allow either copper or fiber uplinks
Energy-efficient with Energy Efficient Ethernet (EEE)
Robust security features including ACLs, 802.1X, and RADIUS
Flexible management through CLI, SNMP, and web-based GUI
Lifetime warranty with next-business-day hardware replacement
Product Specifications
| Specification | Value |
|---|
| Total RJ-45 Ports | 48 x 10/100/1000 |
| Uplink Ports | 4 x Dual-Personality (RJ-45 or SFP+) |
| Switching Capacity | 100 Gbps |
| Forwarding Throughput | 74.4 Mpps |
| Stacking Support | Yes (requires optional stacking module) |
| Routing Protocols | Static, RIP, Access OSPF |
| MAC Address Table Size | 16000 entries |
| VLAN Support | Yes, up to 2048 VLANs |
| Power Supply | Internal, hot-swappable |
| Dimensions | 44.25 x 24.61 x 4.39 cm |
| Weight | 4.25 kg |
Similar Models Comparison
| Model | Ports | Uplinks | Stackable | Layer | Uplink Speed | Use Case |
|---|
| J9578A | 48 x GE | 4 x SFP+ or RJ45 | Yes | L2/L3 | 10G | Enterprise access/core |
| J9726A | 48 x GE PoE+ | 4 x SFP+ | Yes | L2/L3 | 10G | PoE devices, VoIP/WiFi |
| JL385A | 48 x GE | 4 x SFP+ | Yes | L2/L3 | 10G | Aruba 2930F series |
| JL256A | 48 x GE | 4 x SFP | No | L2 | 1G | Basic access switch |
Latest Models in the Same Series or Successors (HPE Aruba/2930F
Series)
| Model | Ports | Uplinks | Stackable | Layer | Uplink Speed | Notes |
|---|
| JL256A | 48 x GE | 4 x SFP | No | L2 | 1G | Cost-effective access switch |
| JL385A | 48 x GE | 4 x SFP+ | Yes | L2/L3 | 10G | Aruba 2930F model |
| JL558A | 48 x GE PoE+ | 4 x SFP+ | Yes | L2/L3 | 10G | Successor with PoE support |
| JL728A | 48 x GE | 4 x SFP+ | Yes | L3 | 10G | New-gen Aruba 6200F switch |
