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Silver rack-mount switch with 48 RJ45 ports and four SFP28 uplinks

Extreme Networks

Extreme Networks 5420M-48T-4YE network switch 48 RJ45 4 SFP28

SKU CH-SDSQ-EEPVQ MPN 5420M-48T-4YE

Managed 48-port Gigabit switch with four 25G SFP28 uplinks and 68W power draw

  • Network Management TypeManaged
  • Primary Ports48 x RJ45 + 4 x SFP
  • VLAN SupportYes
  • PoENo
  • StackableYes
  • Max Power Consumption68W

Model 5420M-48T-4YE

Struck-through versions exist but are not stocked here.

  • 48 RJ45 ports give you dense gigabit connectivity for endpoints
  • 4 SFP28 uplinks provide 25Gb links to the core
  • Stackable design lets you manage up to eight units as one
  • Dual OS choice lets you run Switch Engine or Fabric Engine
  • Zero-touch cloud onboarding gets the switch online in minutes

48-port managed edge switch

The Extreme Networks 5420M-48T-4YE is a managed switch with 48 RJ45 ports operating at 10/100/1000 Mbps and four SFP28 uplink ports supporting 1, 10 and 25 Gbps speeds. It is built for network administrators who need a stackable, cloud-ready access layer without Power over Ethernet. The dual-persona design allows selection between Switch Engine and Fabric Engine operating systems at boot or later.

68 W maximum power draw

Maximum power consumption is rated at 68 W, reflecting the non-PoE configuration and fixed 48-port design. The unit fits a standard 1U rack height of 1.7 in and uses internal cooling suited to that thermal envelope. Non-blocking wire-speed forwarding ensures consistent throughput without oversubscription. Fan noise will vary with load but remains within typical 1U enterprise limits.

Stackable with dual SFP-DD ports

A 4.39 kg steel chassis measures 17.4 in wide by 13.0 in deep, using a conventional 19 in rack footprint. Two built-in SFP-DD stacking ports enable up to eight switches in a single logical stack when running Switch Engine with qualified direct-attach cables or transceivers. MACsec encryption is available on all access and uplink ports. Zero-touch provisioning connects the switch to ExtremeCloud IQ or Site Engine automatically.

Highlights

  • 48 RJ45 ports give you dense gigabit connectivity for endpoints
  • 4 SFP28 uplinks provide 25Gb links to the core
  • Stackable design lets you manage up to eight units as one
  • Dual OS choice lets you run Switch Engine or Fabric Engine
  • Zero-touch cloud onboarding gets the switch online in minutes

Specifications

BrandExtreme Networks
Series5420
Model5420M-48T-4YE
Part Number5420M-48T-4YE
Network Management TypeManaged
Primary Ports48 x RJ45 + 4 x SFP
VLAN SupportYes
PoENo
StackableYes
Max Power Consumption68W
DimensionsHeight: 43.7 mm (1.7 in.)
Width: 441.0 mm (17.4 in.)
Depth: 330.20 mm (13.0 in.)
Weight4.39 kg (9.68 lb.)
Shipping weight5.99 kg
Package size13 × 13 × 13 mm

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Questions about this item

How do I install the 5420M-48T-4YE and which step is commonly missed?

Mount the 1U chassis in a 19-inch rack using the supplied brackets, connect the 48 RJ45 ports and four SFP28 uplinks, then apply power; the step often missed is selecting the desired OS — Switch Engine or Fabric Engine — at first boot before the switch joins the network.

What maintenance or replacement will the 5420M-48T-4YE need over time?

The unit has no PoE and no user-replaceable fan or power modules, so ongoing maintenance is limited to keeping the ventilation path clear and applying firmware updates through Extreme Platform ONE or ExtremeCloud IQ.

What is the first limit reached on the 5420M-48T-4YE under sustained full load?

The 68 W power draw and the 256 Gbps aggregated bandwidth ceiling are the first hard limits; the switch forwards up to 190 Mpps, so sustained line-rate traffic on all 48 gigabit ports plus the four 25 Gbps uplinks will saturate the fabric before thermal throttling occurs.

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