Ubiquiti · Networking

UniFi Flex 2.5G PoE

Eight 2.5GbE PoE++ ports · shared 10G RJ45/SFP+ uplink · upright shelf placement

Specifications

Model width: 212.9 mm
Model height: 33.5 mm
Model depth: 99.4 mm

Hardware specifications

Networking
Ethernet	8 × 2.5 GbE RJ45 with PoE++ output¹
Uplink	1 × 10G combo port: RJ45 OR SFP+¹
Switching capacity	60 Gbps¹
Forwarding rate	45 Mpps¹
MAC table	4,000 entries¹
Jumbo frames	Supported¹
Management & software
Management	UniFi Network 9.0.114 and later¹
Power
PoE budget	196 W with 210 W adapter; 76 / 46 / 16 W with PoE+++ / PoE++ / PoE+ input¹
Power input	50–57 V DC or PoE+++ via 10G RJ45¹
PoE output	8 × PoE++ ports, up to 64 W per port¹
Power consumption	14 W (PoE in) / 17 W (adapter) excl. PoE output · 210 W max incl. PoE¹
Physical
Dimensions	212.9 × 99.4 × 33.5 mm (W × D × H)¹
Weight	567 g¹
Operating temperature	-20 to 45 °C¹

techspecs.ui.com/unifi/switching/usw-flex-2-5g-8-poe

Specifications reviewed 2026-10-06. Hardware revisions and configurations vary; check the sources for your exact unit.

How it fits a 10-inch rack
Placement	Space	Fits
10i hex shelf · upright	5U · 154 mm deep	T0: not enough units T0 Plus: not enough units T1/2 Plus fits T1 fits T1 Plus fits T2 fits

Not possible: 10i hex shelf · flat (wider than the shelf).

Configurator check against each catalogue rack, not a physical-fit certification. Depth uses the catalogue model; confirm cable clearance and your hardware revision.

Model & configuration

Published enclosure dimensions; connector positions reconstructed from official front photograph. RJ45 and SFP+ uplinks share one 10G combo port; they cannot both be active simultaneously. Existing hex shelf supports upright placement only (5U including deck); flat placement remains blocked.

Power reference

unknown: Unknown
maximum: 17 W

Official maximum device consumption 17 W on DC or 14 W on PoE input, excluding PoE output. The 196 W PoE budget is not idle or device draw.

Ubiquiti UniFi Flex 2.5G PoE specifications

Product & source links

Manufacturer specifications

3D model attribution

Creator: Minirack
Licence: Original Minirack visual reconstruction; not printable CAD