Description 

The HP J4903A is a 24-port Gigabit Ethernet switch module designed for HP ProCurve 5300xl series switches. It delivers high-performance Layer 2/3 switching with wire-speed connectivity, making it ideal for expanding network capacity in enterprise and campus network environments.

 

 

Technical Specifications 

Condition	New/Never Used Surplus
Brand	HP Networking
Category	Computer Accessories
Part Number	J4903A
Subcategory	Network Devices
Product Type	Ethernet Switch
Total Number of Network Ports	20
Port/Expansion Slot Details	4 x Gigabit Ethernet Expansion Slot
Media Type Supported	Twisted Pair
Ethernet Technology	Gigabit Etherne
Network Technology	10/100/1000Base-T
Number of Total Expansion Slots	4
Expansion Slot Type	SFP
Number of SFP Slots	4
Layer Supported	3
Height	1.7 in
Width	17.3 in
Depth	16.9 in
Weight	10.80 lbs

  

 

Information About J4903A

The HP J4903A is the ProCurve Switch 2824, a 24-port Gigabit Ethernet managed switch designed for medium to large business networks requiring high-speed connectivity and advanced network management features. It’s part of HP’s ProCurve 2800 Series and is ideal for environments needing a mix of performance, flexibility, and reliability.

Key Features:

• Port Configuration:

  • 20 × 10/100/1000Base-T auto-sensing RJ-45 ports

  • 4 × Dual-personality ports (can be used as either RJ-45 or mini-GBIC SFP for fiber)

• Switching Capacity: 48 Gbps

• Throughput: Up to 35.7 million packets per second (Mpps)

• Form Factor: 1U Rackmount (mounting hardware included)

• Fanless Design: Silent operation, ideal for office environments

• Layer 2 Switching: VLAN support, spanning tree (STP/RSTP/MSTP), link aggregation (LACP)

• Layer 3 Lite Routing: Static IP routing with support for up to 16 static routes

• Security:

  • Port security

  • Access control via RADIUS, SSH v2, SSL

• Quality of Service (QoS): IEEE 802.1p traffic prioritization with 8 priority levels

• Management:

  • Web GUI

  • CLI via console port

  • SNMP and RMON support

• VLANs: Supports up to 64 VLANs with GVRP and 802.1Q tagging

• Jumbo Frames: Up to 9220 bytes

The HP ProCurve 2824 (J4903A) is a feature-rich, fanless 24-port Gigabit switch offering quiet operation, Layer 2/3 functionality, and robust management tools. It’s an excellent choice for enterprises or workgroups needing reliable high-speed connectivity with advanced control and minimal noise.