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HPE

HPE A5120-24G 24-port Gigabit Layer 3 network switch

SKU CH-D94G-928PC MPN A5120-24G

A 24-port Gigabit Ethernet Layer 3 switch with SFP uplinks for rack-mountable enterprise access-layer deployment

  • Product formatRack-mountable
  • Management typeLayer 3 Switch
  • Uplink portsSFP
  • Main ports24 x Gigabit Ethernet Network Gigabit Ethernet
  • Main port speed10/100/1000Base-T
  • Uplink connectionSFP
  • Layer 3 routing manages traffic between network segments
  • 24 Gigabit ports connect devices at 10/100/1000Base-T speeds
  • SFP uplinks provide flexible fibre or copper aggregation links
  • 1X authentication controls user access to the network
  • Rack-mountable 6.61 lb chassis fits standard cabinets

24-port Gigabit Layer 3 switch

The HPE A5120-24G provides twenty-four 10/100/1000Base-T ports and SFP uplinks in a rack-mountable chassis. It operates as a Layer 3 switch with Layer 4 support for traffic classification. Wire-speed forwarding handles mission-critical data at the access or distribution layer. Management protocols simplify ongoing network administration.

Who this suits and who should look elsewhere

This switch suits networks that need managed Gigabit connectivity with static routing and 802.1X authentication. Buyers who require Power over Ethernet for phones or cameras cannot use this model. Environments that need stacking via dedicated cables rather than rack mounting should consider other options. Large cores demanding high-density 10 Gigabit uplinks will find the SFP limitation restrictive.

The spec that decides fit

Twenty-four copper Gigabit ports with SFP uplinks define the port density and uplink flexibility. The Layer 3 feature set determines whether routing between VLANs can be performed on the switch itself. Rack-mountable format dictates the physical installation method. These three facts together confirm whether the switch matches the infrastructure design.

How it compares

Measured against everything we stock in Ethernet & PoE Switches, at today’s prices. Recalculated every night.

Price $434.99
Typical for this category: the median of 2,759 items is $482.99.

Specifications

Product
Brand nameHPE
Product lineA5120G SI
Connectivity
Management typeLayer 3 Switch
Main port speed10/100/1000Base-T
Uplink connectionSFP
Stacking supportRack-mountable
Layer support4
Ports & slots
Uplink portsSFP
Main ports24 x Gigabit Ethernet Network Gigabit Ethernet
Power
Power detailsSupply
More details
Product formatRack-mountable

Questions about this item

How do I install the HPE A5120-24G in a rack, and what step is commonly missed?

Mount the unit in a standard rack using the supplied brackets; the step often missed is connecting the SFP uplinks before tightening the rear screws.

What maintenance or replacement will the A5120-24G need later?

The internal power supply is the only field-replaceable part; keep a spare unit on hand for rapid swap if it fails.

What limit appears first on the A5120-24G under sustained load?

Wire-speed forwarding across all 24 Gigabit ports means the SFP uplink bandwidth becomes the bottleneck before the switch fabric saturates.

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