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Black 1U rackmount switch with 48 RJ45 ports and 4 SFP28 uplinks

Ubiquiti Networks

Ubiquiti Networks USW-PRO-XG-48-POE 48-port network switch

SKU CH-S4ES-T2X92 MPN USW-PRO-XG-48-POE

A 48-port managed Layer 3 switch with 32×10 GbE and 16×2.5 GbE PoE+++ RJ45 ports plus four 25G SFP28 uplinks, 1,350 W internal power and 460 Gbps non-blocking throughput

  • FormatRackmount
  • Network Management TypeManaged
  • Primary Ports2.5 GbE RJ45: 16 (All PoE+++) (2.5G/1G/100M/10M) 10 GbE RJ45
  • PoEYes
  • StackableYes
  • Layer3

Options Pro XG 48 PoE

  • Layer 3 routing handles complex traffic with 460 Gbps non-blocking throughput
  • 48 PoE+++ ports power devices over a single cable up to 10 Gbps
  • Four 25G SFP28 uplinks provide high-speed aggregation links for servers
  • 1350 W internal supply with DC backup keeps the switch online during outages
  • Rackmount chassis fits standard 1U depth at 442 x 480 x 44 mm

48-Port Layer 3 PoE+++ Switch

The Ubiquiti Networks USW-PRO-XG-48-POE is a managed rackmount switch built for networks that need high-density multi-gigabit connectivity and advanced Layer 3 routing. It suits administrators running pro AV, server aggregation or campus access layers where 48 powered ports and 25G uplinks are required.

460 Gbps Non-Blocking Throughput

The switch delivers 920 Gbps switching capacity and 460 Gbps total non-blocking throughput with a 684 Mpps forwarding rate. All 48 RJ45 ports negotiate down to 10M speeds, while the four 25G SFP28 uplinks also accept 10G and 1G modules, so uplink capacity matches the downlink standard in use.

1350W Internal Supply With DC Backup

An internal 1350W AC/DC power supply feeds up to 1080W of PoE+++ budget across every port, and a DC input provides automatic failover during mains loss. The 1U chassis measures 442 x 480 x 44 mm and weighs 8.7 kg without brackets, fitting standard racks with included mounting hardware.

Highlights

  • Layer 3 routing handles complex traffic with 460 Gbps non-blocking throughput
  • 48 PoE+++ ports power devices over a single cable up to 10 Gbps
  • Four 25G SFP28 uplinks provide high-speed aggregation links for servers
  • 1350 W internal supply with DC backup keeps the switch online during outages
  • Rackmount chassis fits standard 1U depth at 442 x 480 x 44 mm

Specifications

BrandUbiquiti Networks
ModelPro XG 48 PoE
Part NumberUSW-PRO-XG-48-POE
FormatRackmount
Network Management TypeManaged
Primary Ports2.5 GbE RJ45: 16 (All PoE+++) (2.5G/1G/100M/10M)
10 GbE RJ45: 32 (All PoE+++) (10G/5G/2.5G/1G/100M/10M)
25G SFP28: 4 (25G/10G/1G)
PoEYes
StackableYes
Layer3
Layer 2 FeaturesLACP Port Aggregation
STP & RSTP
QoS (DSCP)
Pro AV Profiles (Play, Dante, Q-SYS, NDI, SDVoE, Shure, AES67, Crestron)
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
Layer 3 FeaturesDHCP Server (Local Networks)
DHCP Relay
Inter-VLAN Routing (Local Networks)
Static Routing (Local Networks)
PoE Ports48 x PoE
PowerAC/DC, internal, 1,350W
Max Power Consumption200-240V: 1,280W /
100-120V AC: 1,172W (Including PoE Output)
Dimensions442 x 480 x 44 mm
(17.4 x 18.9 x 1.7")
WeightWithout mounting brackets: 8.7 kg (15.4 lb)
With mounting brackets: 8.8 kg (15.7 lb)
CertificationCE, FCC, IC
System RequirementUnifi Network: Version 9.1.120 and later
FeaturesSwitching Capacity: 920 Gbps
Total Non-Blocking Throughput: 460 Gbps
Forwarding Rate: 684 Mpps
Supported VLANs: 1,000
MAC Address Table Size: 128,000
L3 Table Size
ARP Entries: 128,000
IPv4 Routes: 256,000
Packet Buffer Size: 8 MB
Access Lists
IPv4: 256
MAC: 256
Shipping weight2.10 kg
Package size430 × 330 × 160 mm

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Questions about this item

Should I choose the 16-port 2.5 GbE option or the 32-port 10 GbE option for my PoE devices?

Both sets are PoE+++ on this switch. The 16 ports run at up to 2.5 GbE, while the 32 ports run at up to 10 GbE. Pick 10 GbE ports for high-bandwidth endpoints like Wi‑Fi 6E access points or 10G NAS; use 2.5 GbE ports for cameras, phones or IoT gear that only needs 1 GbE or 2.5 GbE.

What does the 920 Gbps switching capacity mean for real traffic through the 48 RJ45 ports and 4 SFP28 uplinks?

The 920 Gbps is the aggregate internal fabric. Non‑blocking throughput is 460 Gbps, so every 10 GbE port, 2.5 GbE port and 25G SFP28 uplink can run at line rate simultaneously without head‑of‑line blocking.

How do the 25G SFP28 uplinks limit aggregate uplink bandwidth in a stack?

Each SFP28 port carries up to 25 Gbps. With four uplinks the maximum combined uplink capacity is 100 Gbps, which caps the total traffic that can leave the switch toward aggregation or core layers.

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