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Ubiquiti Networks

Ubiquiti Networks USW-48 48-port Layer 2 network switch

SKU CH-HN42-N1J5N MPN USW-48

Managed Layer 2 switch with 48 Gigabit RJ45 ports and four SFP uplinks in a fanless 1U rackmount chassis

  • FormatRackmount
  • Network Management TypeManaged
  • Primary Ports48 x RJ45 + 4 x SFP
  • Primary Port SpeedTotal non-blocking throughput 52 Gbps Switching capacity 104
  • Primary Port Type(48) GbE RJ45 ports (4) 1G SFP ports
  • PoENo
  • Silent operation with fanless design for noise-sensitive environments
  • 48 Gigabit RJ45 ports plus 4 SFP uplinks for flexible connectivity
  • 52 Gbps non-blocking throughput handles heavy traffic loads
  • Advanced Layer 2 features including LACP and IGMP snooping
  • 3 inch touch LCM simplifies local configuration

48-Port Gigabit Layer 2 Switch

The Ubiquiti Networks USW-48 is a rackmount managed switch designed for medium to large networks that need silent, reliable Layer 2 connectivity. It provides 48 Gigabit Ethernet RJ45 ports and four 1G SFP uplink ports in a fanless chassis.

1G Uplink Speed and 52 Gbps Throughput

All downlink ports operate at 1 Gbps and the four SFP uplinks are also limited to 1 Gbps. The switch delivers a total non-blocking throughput of 52 Gbps with a switching capacity of 104 Gbps and a forwarding rate of 77.376 Mpps.

No Power over Ethernet Support

This model does not supply PoE power to connected devices such as access points or IP cameras. Buyers who need to power endpoints over the network cable must choose a different switch.

Highlights

  • Silent operation with fanless design for noise-sensitive environments
  • 48 Gigabit RJ45 ports plus 4 SFP uplinks for flexible connectivity
  • 52 Gbps non-blocking throughput handles heavy traffic loads
  • Advanced Layer 2 features including LACP and IGMP snooping
  • 3 inch touch LCM simplifies local configuration

Specifications

BrandUbiquiti Networks
SeriesNetwork Switch
ModelStandard 48
Part NumberUSW-48
FormatRackmount
Network Management TypeManaged
Primary Ports48 x RJ45 + 4 x SFP
Primary Port SpeedTotal non-blocking throughput 52 Gbps
Switching capacity 104 Gbps
Forwarding rate 77.376 Mpps
Primary Port Type(48) GbE RJ45 ports
(4) 1G SFP ports
PoENo
Layer2
Layer 2 FeaturesLACP Port Aggregation
STP & RSTP
Advanced IGMP Configuration (Querier, Fast Leave, Router Port)
IGMP Snooping
802.1X Control
MAC-Based ACLs & Device Isolation
DHCP Snooping & Guarding
Egress Rate Limit
Flow Control
Storm Control
Multicast & Broadcast Rate Limiting
MAC Address Blocking
IP-Based ACLs & Network Isolation
MAC-Based Port Restriction
Port Isolation
Port Mirroring
Jumbo Frames
LLDP-MED
Voice VLAN
Loop Protection
LEDsSystem Status
Ethernet Speed/link/activity
SFP Link/activity
Dimensions442 x 285 x 44 mm (17.4 x 11.2 x 1.7")
WeightWithout mounting brackets: 3.9 kg (8.6 lb)
With mounting brackets: 4 kg (8.8 lb)
Temperature-15 to 40° C (5 to 104° F)
Humidity10 to 90% noncondensing
Shipping weight5.01 kg
Package size523 × 404 × 119 mm

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Questions about this item

How do I choose between the 48 RJ45 ports and the 4 SFP ports on this switch?

Use the 48 GbE RJ45 ports for copper connections to endpoints and the 4 SFP ports for fibre uplinks or links to other switches; both run at 1 Gbps.

What does the 52 Gbps non-blocking throughput mean for daily traffic?

It means all 48 RJ45 ports and 4 SFP ports can run at full 1 Gbps simultaneously without internal congestion.

What limits do the 1G SFP ports place on uplink speed?

Each SFP port caps at 1 Gbps, so uplinks cannot exceed 1 Gbps per port unless you aggregate multiple ports with LACP.

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