Does it support Layer 3 routing and advanced resiliency?

Yes, it provides scalable Layer 2/3/4 switching with multiple spanning trees including 802.1w Rapid Convergence, up to 36 trunks (8 links each), and 802.3ad LACP link aggregation for high availability and low-latency performance (<6 µs) (HP PDF ).

What management features are available?

Management includes SNMP via HP TopTools, Find-Fix-Inform, HP Auto-MDIX, port names, and a DB-9 console port. Supported protocols: IGMPv1/v2/v3, DHCP Relay, BootP, Telnet, SNTP, and IEEE 802.3x Flow Control (HP PDF , Data Connect ).

What are the physical dimensions and form factor?

It is a rack-mountable 3U chassis measuring 5.25 inches height, 17.4 inches width, and 15.3 inches depth, designed for standard 19-inch EIA racks with included hardware (Enterasource ).

What power supply configuration does it have?

Includes 1 x J4839A power supply with 1 open slot for redundancy, supporting 100-127/200-240 VAC at 630W max consumption for reliable operation in loaded configurations (Andover PDF ).

Which firmware versions are supported?

Supports HP ProCurve firmware up to E.08.03 and earlier releases, enabling features like heterogeneous switch meshing and advanced security such as MAC lockout/port security (HP PDF ).

J4850A - HP J4850A 5304xl 4-Slot L2/3/4 Modular Switch

Name: HP J4850A 5304xl 4-Slot L2/3/4 Modular Switch
Brand: HP
SKU: J4850A
Price: 122 USD
Availability: InStock

J4850A - HP J4850A 5304xl 4-Slot L2/3/4 Modular Switch | US IT Hardware

Product overview

The HP ProCurve Switch 5304xl (SKU J4850A) is an enterprise-grade, managed modular Ethernet switch from the ProCurve 5300xl series, designed for scalable Layer 2, 3, and 4 switching in a compact 4-slot chassis. It supports a maximum of 96 auto-sensing 10/100 ports or 64 10/100/1000 ports via open module slots, with trunking up to 36 trunks (8 links each) and 802.3ad LACP. Key features include multiple spanning trees with 802.1w rapid convergence, SNMP management via HP TopTools, and protocols like IGMPv1/v2/v3, DHCP Relay, and IEEE 802.3x Flow Control. The rack-mountable 3U chassis measures 5.25 x 17.4 x 15.3 inches, includes one J4839A power supply with an open slot, and features status LEDs for power and fault. Compatible with firmware up to E.08.03, it suits high-density enterprise deployments requiring flexibility, resiliency, and hot-swappable modules for core aggregation and data center use.

4 slots: up to 96x10/100 or 64x10/100/1000 ports
Scalable L2/3/4 switching + 36 trunks (8 links ea)
802.1w RSTP + 802.3ad LACP for resiliency
SNMP/TopTools mgmt + IGMPv3/DHCP Relay
Rack-mount 3U chassis: 5.25x17.4x15.3 inches
1x J4839A PSU included + 1 redundant slot

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

Management Features
Manufacturer part #	J4850A
Brand	HP
Condition	Refurbished
Model	5304xl
Trunking	Up to 36 trunks, each with up to 8 links per trunk; trunking across modules
Product Line	ProCurve Switch 5300xl Series
Product Type	Managed Modular Ethernet Switch
Firmware Version	Supports E.08.03 and earlier releases
Link Aggregation	802.3ad LACP and HP trunking
Switching Capacity	Scalable Layer 2, 3, and 4 switching

Compatible systems

No specific system or OS compatibility listed; network management via SNMP and console

Best for

Core Network Aggregation
Ideal for aggregating traffic from access switches with 4 open slots supporting up to 96 10/100 or 64 10/100/1000 ports and scalable L2/3/4 switching for high throughput.
Enterprise Data Centers
Provides modular flexibility with hot-swappable modules, 36 trunks (8 links each), and rapid spanning tree for resilient, high-density port deployments in demanding environments.
Campus LAN Backbone
Supports advanced management like SNMP via TopTools and protocols including IGMPv3/DHCP Relay, enabling efficient Layer 3 routing and multicast in large-scale campus networks.
Secure Convergence Networks
Features link aggregation (802.3ad LACP), multiple spanning trees, and flow control for secure, convergence-ready setups handling voice/video/data traffic reliably.

Dimensions	Height: 5.25 inches; Width: 17.4 inches; Depth: 15.3 inches
Rack Units	3U
Form Factor	Rack mountable chassis
Status LEDs	Power LED (green); Fault LED

Console Port	1 x DB-9 console port for management
Maximum Ports	Supports maximum of 96 10/100 ports or 64 10/100/1000 ports
Expansion Slots	4 x open module slots

HP J4850A 5304xl 4-Slot L2/3/4 Modular Switch

Product overview

Featuring

Compatible systems

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

Power Consumption

Physical Characteristics

Interface/Ports