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HP J9981A#ABA 1820-48G 48-Port + 4-Port SFP Layer 2 Switch
- 48 x 10/100/1000 Mbps Gigabit Ethernet ports
- 4 x 1 Gbps SFP ports for uplink or module expansion
- Layer 2 managed switching
- Web-based GUI for simplified management
- Supports VLANs, QoS, and link aggregation
- Energy-efficient design with low power consumption
- Fanless design for silent operation (on some models/configurations)
Free U.S. Ground Shipping
Typically 1-2 handling + 3-7 transit days
Purchase orders accepted
For government, enterprise, data center, and small business customers.
Bulk Purchase Inquiry
Volume pricing and availability
Product Overview
The HP J9981A#ABA 1820-48G is a 48-port Gigabit Ethernet Layer 2 managed switch with 4 SFP ports for uplink connectivity. It is designed for small to medium-sized businesses (SMBs) seeking reliable and easy-to-manage network infrastructure.
Technical Information
| Product Type | Network Switch |
| Form Factor | Rack-mountable |
| Ports | 48 x 1 GbE, 4 x 1 GbE SFP |
| Layer | Layer 2 |
Additional Specifications
| Management | Managed (Web GUI) |
| Uplink Speed | 1 Gbps |
| PoE Support | No (This specific model is not PoE) |
Product Description
The HP 1820-48G Switch (J9981A#ABA) is a cost-effective, managed Layer 2 switch designed to provide reliable Gigabit Ethernet connectivity for small to medium-sized businesses. It features 48 auto-negotiating 10/100/1000 Mbps Ethernet ports, offering ample capacity for connecting a large number of end devices such as computers, printers, and servers. The switch's Gigabit speed ensures high-performance data transfer, crucial for modern business applications and network efficiency. In addition to the 48 copper ports, the 1820-48G includes four 1 Gbps SFP (Small Form-Factor Pluggable) slots. These SFP ports are versatile and can be used for high-speed uplinks to the network core or distribution layer, or for connecting to other network devices like servers or storage. They provide flexibility in network design and allow for future expansion or integration with fiber optic networks. Managed through an intuitive, web-based graphical user interface (GUI), the J9981A#ABA simplifies network administration. Administrators can easily configure and monitor essential network features such as Virtual LANs (VLANs) for traffic segmentation, Quality of Service (QoS) for prioritizing traffic, and Link Aggregation for increased bandwidth and redundancy. The switch also incorporates energy-efficient features, contributing to lower operational costs and a reduced environmental footprint, making it an ideal choice for budget-conscious organizations.
