What is the PoE power budget and max consumption?

Provides 370W PoE+ across 24 ports per IEEE 802.3at/af, with maximum power rating of 481W and idle draw of 54.8W. Internal fixed supply ensures reliable operation without external adapters for SMB power needs.

What are the switching performance specs?

Delivers 104 Gbps switching capacity, up to 77.3 Mpps throughput (64-byte packets), and latency <7 µs at 100 Mbps or <2 µs at 1000 Mbps. Supports 16000 MAC addresses for efficient Layer 2 handling in busy networks.

How is the switch managed?

Uses an intuitive web browser interface with enhanced navigation pane for easy setup of VLANs, Rapid Spanning Tree, IGMP Snooping, link aggregation, and DSCP QoS. No CLI required, perfect for non-expert SMB admins.

What are the physical and environmental specs?

Dimensions 44.25 x 32.26 x 4.39 cm (1U), weight 4.4 kg, rack/desktop/wall-mountable. Operates 0° to 40°C (32° to 104°F), 15-95% humidity. MTBF 45.05 years ensures longevity in office environments.

What processor and memory does it have?

Powered by ARM Cortex-A9 at 400 MHz, with 128 MB SDRAM, 16 MB flash, and 1.5 MB packet buffer. This hardware supports smooth operation of smart managed features without performance bottlenecks.

1820-48G-POE+ - HP 1820-48G-PoE+ (370W) (24) RJ-45 autosensing 10/100/1000 PoE+ ports; (24) RJ-45 autosensing 10/100/1000 ports Switch

Name: 1820-48G-POE+ - HP 1820-48G-PoE+ (370W) (24) RJ-45 autosensing 10/100/1000 PoE+ ports; (24) RJ-45 autosensing 10/100/1000 ports Switch
Brand: HP
SKU: 1820-48G-POE+
Price: 498 USD
Availability: InStock

1820-48G-POE+ - HP 1820-48G-PoE+ (370W) (24) RJ-45 autosensing 10/100/1000 PoE+ ports; (24) RJ-45 autosensing 10/100/1000 ports Switch | US IT Hardware

Product overview

The HPE OfficeConnect 1820 48G PoE+ (370W) Switch (SKU 1820-48G-POE+) is a basic smart managed Gigabit Layer 2 switch designed for SMB environments. It features 24 RJ-45 autosensing 10/100/1000 PoE+ ports and 24 standard Gigabit ports, plus 4 SFP 100/1000 Mbps ports for fiber connectivity. With 104 Gbps switching capacity and up to 77.3 Mpps throughput, it supports 16000 MAC addresses and low latency (<2 µs at 1000 Mb). Powered by ARM Cortex-A9 400 MHz processor, 128 MB SDRAM, and 16 MB flash, it offers intuitive web-based management for VLANs, QoS, and IGMP Snooping. The 370W PoE budget powers devices like APs and cameras, with max consumption 481W and idle 54.8W. Dimensions 44.25 x 32.26 x 4.39 cm, weight 4.4 kg, 1U rack/desktop/wall-mountable. Operates 0-40°C, MTBF 45.05 years.

370W PoE+ on 24 ports powers APs, cameras
104 Gbps capacity, 77.3 Mpps throughput
48x Gigabit ports + 4 SFP for fiber uplinks
Low latency <2 µs at 1G, 16000 MAC table
Web GUI management, VLANs, QoS support
1U rack-mount, 0-40°C, 45 years MTBF

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Safety Certifications
Manufacturer part #	1820-48G-POE+
Brand	HP
Condition	Refurbished
MTBF	45.05 years
Model	1820-48G-PoE+ (370W)
Processor	ARM Cortex-A9 @ 400 MHz
Memory Type	128 MB SDRAM; 16 MB flash; Packet buffer size: 1.5 MB
Product Line	HPE OfficeConnect 1820 Switch Series
Product Type	Basic smart managed Gigabit PoE+ switch
Management Interface	Web browser; Intuitive Web management interface with enhanced navigation pane

Compatible systems

No specific system or OS compatibility lists found in sources

Best for

SMB Office Connectivity
Provides 48 Gigabit ports including 24 PoE+ for powering VoIP phones and access points, with 104 Gbps switching and web management for easy VLAN and QoS setup.
IP Surveillance
370W PoE budget supports up to 24 IP cameras via PoE+ ports, low latency <2 µs ensures reliable video streaming over 16000 MAC table.
Wireless Deployments
Powers enterprise WiFi APs through 24 PoE+ ports and 4 SFP for uplinks, fan-cooled design suits dense office environments with 77.3 Mpps throughput.
Branch Offices
Rack/wall-mountable form factor with intuitive GUI management simplifies deployment, internal power supply handles 481W max for reliable connectivity.

Latency	100 Mb Latency: < 7 µs; 1000 Mb Latency: < 2 µs
Throughput	up to 77.3 Mpps
MAC Address Table	16000 entries
Switching Capacity	104 Gbps

PoE Power	370 W PoE+
Idle Power	54.8 W
Max Wattage	481 W (maximum)
Power Supplies	Internal fixed power supply

Weight	4.4 kg (9.7 lb)
Dimensions	44.25 x 32.26 x 4.39 cm (17.42 x 12.7 x 1.73 in)
Form Factor	1U rack-mountable; desktop; wall-mountable

Operating Humidity	15 to 95% @ 104°F (40°C)
Operating Temperature	0° to 40°C (32°F to 104°F)

SFP Ports	(4) SFP 100/1000 Mbps ports
Ethernet Ports	(24) RJ-45 autosensing 10/100/1000 PoE+ ports; (24) RJ-45 autosensing 10/100/1000 ports

HP 1820-48G-PoE+ (370W) (24) RJ-45 autosensing 10/100/1000 PoE+ ports; (24) RJ-45 autosensing 10/100/1000 ports Switch

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