Smlight SLZB-MR5U vs Third Reality USBC-Dongle

Updated March 2026

Data from Amazon and official Smlight and Third Reality sites.

2026 verdict

Taken as a whole in 2026, Smlight SLZB-MR5U wins this matchup. Its clearest strengths are power, connectivity, and zigbee router, and it still looks stronger on dual network and bluetooth proxy. Pick Third Reality USBC-Dongle only when matter bridge is the deciding factor for your setup. That is why Smlight SLZB-MR5U wins the verdict here.

Winner

Smlight

Smlight SLZB-MR5U

Price unavailable right now

BUY NOW

Third Reality

Third Reality USBC-Dongle

$19.99

BUY NOW

Feature	Smlight SLZB-MR5U	Third Reality USBC-Dongle	Winner
Power	USB, PoE	USB	Smlight SLZB-MR5U
Connectivity	USB, Ethernet, 2.4 GHz Wifi	USB	Smlight SLZB-MR5U
Zigbee Router	YES	NO	Smlight SLZB-MR5U
Matter Bridge	NO	YES	Third Reality USBC-Dongle
Dual Network	YES	NO	Smlight SLZB-MR5U
Bluetooth Proxy	YES	NO	Smlight SLZB-MR5U
Warranty	1 year	1 year	Tie
Z-Wave Controller	NO	NO	Tie
Thread Border Router	YES	YES	Tie

Winner

Smlight

Smlight SLZB-MR5U

Price unavailable right now

BUY NOW

+ Power: USB, PoE
+ Connectivity: USB, Ethernet, 2.4 GHz Wifi
+ Zigbee Router: YES
- Matter Bridge: NO vs YES

Third Reality

Third Reality USBC-Dongle

$19.99

BUY NOW

+ Matter Bridge: YES
- Power: USB vs USB, PoE
- Connectivity: USB vs USB, Ethernet, 2.4 GHz Wifi

Frequently Asked Questions (FAQ)

Which is better overall: Smlight SLZB-MR5U or Third Reality USBC-Dongle?: Smlight SLZB-MR5U has the stronger overall profile in this comparison, especially for power, connectivity, and zigbee router.
What is the biggest difference between Smlight SLZB-MR5U and Third Reality USBC-Dongle?: Power is one of the clearest differences: Smlight SLZB-MR5U lists USB, PoE, while Third Reality USBC-Dongle lists USB.
Who should buy Smlight SLZB-MR5U?: Choose Smlight SLZB-MR5U if your priority is power and connectivity and that matters more than matter bridge.
Who should buy Third Reality USBC-Dongle?: Choose Third Reality USBC-Dongle if your priority is matter bridge and that matters more than power.

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