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Freedom251 › Blog › 10GbE switch

Ubiquiti UniFi USW-Pro-XG-8-PoE Review: 8-Port 10GbE, PoE++ and the Tradeoffs

By Freedom251 Team · · 4 min read

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The UniFi USW-Pro-XG-8-PoE is aimed at home labs and small offices with several 10GbE copper clients plus powered devices such as access points, cameras or another switch. Its eight RJ45 ports support 100Mb/s through 10Gb/s and PoE++ up to 60W per port, while two SFP+ ports provide 10G/1G uplinks. The important limitation is the 155W total PoE budget: an individual port can be rated for 60W, but all eight ports cannot deliver that maximum at once.

What the USW-Pro-XG-8-PoE is

This is a compact, managed UniFi switch with eight multigigabit copper ports and two SFP+ ports. Ubiquiti describes it as a desktop or wall-mountable Layer 3 switch. The enclosure measures 210.4 × 173.8 × 43.7mm, weighs 1.6kg and uses an external 210W AC/DC adapter.

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Specification USW-Pro-XG-8-PoE
Copper ports 8 × RJ45, 100M/1G/2.5G/5G/10G
Uplinks 2 × SFP+, 1G/10G
PoE standard PoE, PoE+, and PoE++ (up to 60W PSE per port)
Total PoE budget 155W
Switching capacity 200Gbps
Total non-blocking throughput 100Gbps
Forwarding rate 149Mpps
Maximum stated consumption 61W excluding PoE output; 210W including it
Operating environment −5 to 45°C; 10–90% noncondensing humidity

The switching, throughput and forwarding figures are vendor specifications, not a guarantee that a particular application will sustain those rates.

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How many PoE devices can it power?

Plan against the combined draw of every powered endpoint. Ubiquiti lists maximum PSE output of 15.4W for PoE, 30W for PoE+, and 60W for PoE++. The 155W aggregate budget is the practical ceiling.

#1 Best Overall
Ubi USW Pro-XG-8-PoE Ethernet Switch (155W)
  • Effectively reduces downtime with improved network performance
  • Expand your network capacity with the help of 8 networking ports and transfer your data quickly and easily
  • Can work as layer 3 routing for scalable network design
  • The desktop installation makes it ideal for deployments outside the wiring closet
  • Managed switch provides a reliable foundation for your network

Examples of the budget

  • Two 60W PoE++ loads would consume 120W, leaving 35W for all other powered ports.
  • Five 30W PoE+ loads would require 150W, leaving only 5W.
  • Eight devices drawing 15W each would require 120W, within the total budget.

Actual devices normally draw less than their negotiated maximum, but sizing from the expected worst-case draw avoids brownouts when equipment starts or changes mode. This model does not provide PoE+++.

10GbE connectivity and uplinks

All eight RJ45 ports can negotiate up to 10Gb/s, so the switch suits workstations, servers, Wi-Fi access points and NAS systems that use copper 10GbE or lower multigigabit rates. The two SFP+ ports support 1G or 10G and are useful for a fiber run, a DAC connection or an uplink to another switch. Choose the cable, optical module or direct-attach cable for the peer device, medium and distance; no single accessory is required for every installation.

Management: standalone or UniFi console?

Default switching is intended to work without elaborate setup. Dong Ngo reported plug-and-play operation in a test lasting more than a week, both standalone and in a system hosted by a UCG-Fiber, with no hiccups observed. The richer experience comes after adoption into a UniFi console: port and VLAN administration, Etherlighting customization and the platform’s monitoring and policy controls are then available.

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Features listed by Ubiquiti

  • Layer 3 DHCP server and relay, inter-VLAN routing and static routing
  • Up to 1,000 VLANs, 32,000 MAC addresses and 256 IPv4 static routes
  • LACP, STP/RSTP, DSCP QoS, AV profiles and IGMP features
  • 802.1X, ACLs, port isolation and mirroring, jumbo frames, LLDP-MED, voice VLAN and loop protection

Ubiquiti lists UniFi Network 9.0.114 or later for the software environment. Confirm compatibility with the current release before purchase. When used standalone, the review notes there is no built-in local web UI; a UniFi console is therefore the better choice if you expect centralized configuration and ongoing management.

Noise, heat and placement

The official store describes the switch as having “Silent Operation.” In contrast, Ngo heard a loud fan ramp during boot, followed by quiet operation after full startup and largely silent behavior during his testing. No dBA measurement is provided, so treat this as a qualitative reviewer observation rather than a quantified acoustic rating. The internal fan and external power brick matter if the switch will sit beside a desk or in a quiet room.

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Power consumption and the idle-power question

The official maximum is 61W for the switch itself excluding PoE output, or 210W including PoE. Those figures do not establish an empty-port idle measurement or the incremental draw of each active non-PoE port.

A reader specifically asked for base idle power with no devices connected and the increase per connected port. Ngo said his 24-hour test used two ports—one uplink and one desktop computer—but that setup is not an empty-port baseline and does not isolate a per-port increment. The available evidence therefore cannot provide a definitive idle number for an unconnected switch.

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Throughput and independent observations

Ngo reported close to 9.5Gb/s of real-world throughput in his testing. That is one reviewer’s result, not an independently replicated benchmark or a promise for every combination of clients, cabling and traffic. His review also covered powering a USW-Flex-2.5G-8-PoE and operation both as a standalone switch and under a UCG-Fiber-hosted UniFi system.

Price and value

At the research timestamp, Ubiquiti’s US store listed the switch at $499 plus the surcharge displayed there. Regional pricing, taxes, stock and promotions can change, so use the current local store price when deciding.

It is a strong fit when

  • You have several 10GbE copper endpoints rather than only one fast server.
  • You need PoE for access points, cameras, phones or a downstream switch and can keep their combined draw under 155W.
  • You want UniFi’s VLAN, routing, security and monitoring ecosystem in a compact enclosure.
  • A 10G SFP+ uplink is sufficient for your core connection.

Look elsewhere when

  • Your powered endpoints can approach more than 155W in total.
  • You require PoE+++ or 25GbE uplinks.
  • You need a genuinely fanless design or cannot accommodate an external power adapter.
  • You have few 10GbE devices and would not use the eight high-speed copper ports.
  • You require a full local web interface without adopting a UniFi console.

Verdict: is the USW-Pro-XG-8-PoE worth it?

It is worth considering for a compact home lab or small office that specifically needs many 10GbE RJ45 connections and moderate PoE. The combination is unusual and the Layer 3 and UniFi management features are substantial. The purchase is harder to justify for light 10GbE use, high aggregate PoE demand, 25GbE backbones, or a fanless-room installation. Base the decision on your endpoint count, worst-case PoE draw, uplink speed and tolerance for UniFi-console management rather than the 60W-per-port headline alone.

Quick Recap

Bestseller No. 1
Ubi USW Pro-XG-8-PoE Ethernet Switch (155W)
Ubi USW Pro-XG-8-PoE Ethernet Switch (155W)
Effectively reduces downtime with improved network performance; Can work as layer 3 routing for scalable network design
Bestseller No. 2

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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