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TP-Link TL-SG108S vs Ubiquiti UniFi Flex 2.5G USW-Flex-2.5G-8

Researched, not hands-on tested.How we review ›

all judged against network switches at a similar price

The Ubiquiti UniFi Flex 2.5G USW-Flex-2.5G-8 scores 6.9/10 overall, ahead of the TP-Link TL-SG108S at 5.9/10.

The TP-Link TL-SG108S leads on noise and efficiency.

The Ubiquiti UniFi Flex 2.5G USW-Flex-2.5G-8 leads on port speeds, management and port count and uplinks.

They score the same on poE and firmware and support.

The biggest difference is port count and uplinks, where the Ubiquiti UniFi Flex 2.5G USW-Flex-2.5G-8 scores 8/10 to the TP-Link TL-SG108S's 5/10.

TL-SG108S

TP-Link TL-SG108S

5.9/10verdict: good, not the best

The TL-SG108S is for anyone who needs eight more wired Gigabit ports with no setup. It suits desks, living-room cabinets and small home networks where quiet running matters. It is not for anyone who needs VLANs or a web interface.

Typically about £17.99 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Ubiquiti UniFi Flex 2.5G USW-Flex-2.5G-8

Ubiquiti UniFi Flex 2.5G USW-Flex-2.5G-8

6.9/10verdict: buy

The UniFi Flex 2.5G USW-Flex-2.5G-8 is for people who run a UniFi setup and want eight 2.5G ports in a small switch. It adds a 10G combo uplink, which suits a link back to a faster switch or router. It is a poor fit for anyone who needs PoE output, a CLI or a standalone web interface.

Typically about £150 in the UK when we researched itSearch Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

CriterionWeightTP-Link TL-SG108SUbiquiti UniFi Flex 2.5G USW-Flex-2.5G-8
Port speeds30%6/108/10
Management20%5/107/10
Port count and uplinks15%5/108/10
Noise and efficiency15%9/106/10
PoE10%5/105/10
Firmware and support10%5/105/10
Overall5.9/106.9/10

Specifications

SpecTP-Link TL-SG108SUbiquiti UniFi Flex 2.5G USW-Flex-2.5G-8
Ports8 RJ45 ports (8 10/100/1000 Mbps ports, Auto-MDI/MDIX)8 access ports (2.5G/1G/100M/10M) plus one 10G RJ45/SFP+ combo uplink
Port speeds10/100/1000 Mbps per port, auto-negotiatedAccess ports 2.5G/1G/100M/10M; uplink RJ45 10G/5G/2.5G/1G/100M; SFP+ 10G/1G
ManagementUnmanaged, plug and playSpec sheet lists management interface as Ethernet only; managed through the UniFi console, and a reviewer of the PoE variant reports no web UI
PoE budgetnot listedNo PoE output; powered by USB-C 5V DC 3A or PoE+ input
Uplinks (SFP/SFP+)not listedOne 10G SFP+ port (10G/1G) and one 10 GbE RJ45 port, as a combo uplink
Switching capacityPacket forwarding rate 11.9Mpps60 Gbps switching capacity, 30 Gbps non-blocking throughput, 45 Mpps forwarding rate
CoolingFanlessnot listed

Strengths and weaknesses

TP-Link TL-SG108S

  • + Fanless and quiet in owner reports
  • + Metal build and plug-and-play setup
  • + Eight Gigabit ports with auto-negotiation
  • − No VLANs or web management listed
  • − No SFP uplink or PoE listed
  • − Gigabit only on every port

Skip it if:

  • Buyers who need VLANs or a web management interface
  • Anyone who wants to power cameras or access points over PoE
  • Users with 2.5GbE or 10GbE devices or who need SFP uplinks
Read the full TP-Link TL-SG108S review ›

Ubiquiti UniFi Flex 2.5G USW-Flex-2.5G-8

  • + Eight 2.5G access ports
  • + 10G RJ45/SFP+ combo uplink
  • + Small and light, with flexible power options
  • − No PoE output
  • − Needs UniFi console; no CLI or SSH reported
  • − Owners report limited features, no aggregation

Skip it if:

  • Buyers who need PoE output to power access points or cameras
  • Admins who want CLI, SSH or a standalone web interface
  • Anyone who needs link aggregation or several 10G uplinks
Read the full Ubiquiti UniFi Flex 2.5G USW-Flex-2.5G-8 review ›

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