Name: 1820-48G HP 48 x Ports 10/100/1000Base-T + 4 x Expansion Slots SFP 1U Rack-mountable Layer 2 Managed Gigabit Ethernet Network Switch
Brand: HP
SKU: 1820-48G
Price: 431.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The 1820-48G HP switch delivers 48 gigabit Ethernet ports with additional SFP slots for fiber expansion, fitting neatly into a 1U rack space. It serves as a reliable Layer 2 managed device, making it a solid choice for network setups that require both wired connectivity and manageable traffic control in professional environments.

General Information
Brand	HP
Part Number	1820-48G
Condition	Refurbished

Technical Information
Switch Ports	48
Number of Ports	48-Ports
Port Type	10/100/1000Base-T, SFP, USB Console
Port Speed	10/100/1000Base-T
UpLink Ports	4 x SFP
POE Support	No
Switching Capacity	104 Gbps
Switch Forwarding Rate	77.38 Mpps
VLAN Support	Yes
Max VLANs Supported	1-4094
Stackable	No
Layer Support	Layer 2
Connector Type	RJ-45,SFP,USB Console

Performance
Jumbo Frame Support	Up To 9216 Bytes
MAC Address Table Size	8K

Management and Configuration
Remote Protocols	Yes
Management Interfaces	Web GUI (HTTP/HTTPS),SNMP
Security Features	802.1X,ACLs,MAC-based authentication,DHCP Snooping,Storm Control,SSL/HTTPS
Remote Management Protocol	HTTP,HTTPS,SNMPv1/v2c/v3

Power & Cooling
Fans	Fanless

Physical Characteristics
Dimensions	1.73 x 17.32 x 9.84 in (44 x 440 x 250 mm)
Weight	5.00
Operating Temperature	0°C to 45°C

Miscellaneous
Compliance Standards	WEEE, RoHS, CE, FCC

Product Description
The 1820-48G is a managed Gigabit Ethernet switch designed to handle network traffic efficiently in small to medium-sized business environments. It provides 48 high-speed ports for connecting a variety of devices, alongside 4 SFP slots that allow for flexible fiber optic uplinks or connections to other switches. Often found in office networks or data centers, this switch is built for IT professionals who need reliable performance combined with straightforward network management features. It's commonly used to segment network traffic, improve bandwidth allocation, and maintain smooth communication between connected devices. Key Features Supports VLAN setups to segregate network traffic Includes Quality of Service (QoS) for prioritizing critical data Offers 4 SFP slots for scalable fiber connectivity options Provides an intuitive web-based management interface Designed for 1U rack mounting to save space in server rooms This switch typically appears in office server racks where dependable wired connections are needed for desktops, servers, and IP phones. Its management capabilities make it easier to maintain network stability and optimize performance over time.

Use Cases
The 1820-48G HP Layer 2 managed switch is designed for medium to large enterprise networks requiring high-density gigabit connectivity and fiber expansion. It is particularly suited for data centers and network closets where space constraints demand a compact 1U rack form factor combined with robust traffic management capabilities. How It's Used: Aggregating wired endpoints in enterprise office buildings to support high-throughput client and VoIP device connectivity. Providing scalable Layer 2 switching for campus networks with VLAN segmentation and quality of service enforcement. Serving as an access layer switch in data centers for server farms demanding both copper and fiber interconnects. Supporting remote or branch office networks requiring reliable gigabit connections with manageable traffic policies. Enabling edge computing deployments where compact rack space and flexible fiber expansion are critical. This switch facilitates efficient network operations by delivering scalable port density and flexible connectivity options while maintaining manageable traffic control. Its design helps optimize rack space and supports network segmentation strategies essential for organizational performance and security.