Detailed Specifications
HPE J9021A ProCurve 2810-24G Managed Gigabit Switch
Overview
The HPE J9021A is a 1U rack-mountable managed Layer-2 Ethernet switch providing 24 Gigabit RJ-45 ports, plus 4 dual-personality ports that can be used as either RJ-45 or mini-GBIC (SFP). It's designed for small to medium business networks, offering VLANs, link aggregation, and quality-of-service capabilities. The switch is stackable with other 2810 series units to increase port capacity and integrates into standard rack deployments with efficient power use.
Key Features
20 auto-sensing Gigabit RJ-45 ports + 4 dual-personality (RJ-45 / SFP)
Layer-2 switching with support for VLANs (IEEE 802.1Q)
Link aggregation support (LACP and ProCurve trunking)
Auto-MDIX on all copper ports
Dual flash images for redundancy during firmware upgrades
Technical Specifications
| Specification | Details |
|---|
| Brand | HPE |
| Part Number | J9021A |
| Product Type | Managed Ethernet Switch |
| Model / Series | ProCurve 2810-24G |
| RJ-45 Ports | 20 × 10/100/1000Base-T |
| Dual-Personality Ports | 4 × either 10/100/1000Base-T or SFP mini-GBIC |
| Switching Capacity | 48 Gbps |
| Throughput | Up to ~35.7 million pps (64-byte packets) |
| MAC Address Table Size | 8,000 entries |
| Packet Buffer | 0.75 MB |
| Processor | MIPS 264 MHz |
| Memory | 64 MB SDRAM, 16 MB Flash |
| Latency | < 5.6 µs (64-byte FIFO) |
| Management | Web GUI, CLI, SNMP, RMON |
| VLAN Support | IEEE 802.1Q (up to 256 VLANs) |
| LACP / Trunking | IEEE 802.3ad, ProCurve trunking |
| Spanning Tree | IEEE 802.1s Multiple Spanning Tree |
| Jumbo Frames | Up to 9,216-byte frames |
| Power | 100-240 VAC, internal power supply, typical 60 W |
| Dimensions | 17.4 × 12.7 × 1.7 in |
| Weight | ~7.21 lb |
| Operating Temp | 0 °C to 45 °C |
| Certifications | UL / IEC 60950, FCC Class A, CISPR 22 Class A |
