Smlight SLZB-MR3 vs Third Reality USBC-Dongle

Updated March 2026

Data from Amazon and official Smlight and Third Reality sites.

2026 verdict

Looking at the full picture in 2026, Smlight SLZB-MR3 gets the edge. Its strongest advantages show up in rating, power, and connectivity, with zigbee router and dual network helping widen the gap. Third Reality USBC-Dongle is the better fit only for buyers who prioritize price and matter bridge above everything else here. That is why the final call still favors Smlight SLZB-MR3.

Winner

Smlight

Smlight SLZB-MR3

$105.99

BUY NOW

Third Reality

Third Reality USBC-Dongle

$19.99

BUY NOW

Feature	Smlight SLZB-MR3	Third Reality USBC-Dongle	Winner
Price	$105.99	$19.99	Third Reality USBC-Dongle
Rating	4.7	3.2	Smlight SLZB-MR3
Power	USB, PoE	USB	Smlight SLZB-MR3
Connectivity	USB, Ethernet, 2.4 GHz Wifi	USB	Smlight SLZB-MR3
Zigbee Router	YES	NO	Smlight SLZB-MR3
Matter Bridge	NO	YES	Third Reality USBC-Dongle
Dual Network	YES	NO	Smlight SLZB-MR3
Bluetooth Proxy	YES	NO	Smlight SLZB-MR3
Warranty	1 year	1 year	Tie
Z-Wave Controller	NO	NO	Tie
Thread Border Router	YES	YES	Tie

Winner

Smlight

Smlight SLZB-MR3

$105.99

BUY NOW

+ Rating: 4.7
+ Power: USB, PoE
+ Connectivity: USB, Ethernet, 2.4 GHz Wifi
- Price: $105.99 vs $19.99
- Matter Bridge: NO vs YES

Third Reality

Third Reality USBC-Dongle

$19.99

BUY NOW

+ Price: $19.99
+ Matter Bridge: YES
- Rating: 3.2 vs 4.7
- Power: USB vs USB, PoE

Frequently Asked Questions (FAQ)

Which is better overall: Smlight SLZB-MR3 or Third Reality USBC-Dongle?: Smlight SLZB-MR3 has the stronger overall profile in this comparison, especially for rating, power, and connectivity.
What is the biggest difference between Smlight SLZB-MR3 and Third Reality USBC-Dongle?: Price is one of the clearest differences: Smlight SLZB-MR3 lists $105.99, while Third Reality USBC-Dongle lists $19.99.
Which one looks better on price?: Smlight SLZB-MR3 is listed at $105.99, while Third Reality USBC-Dongle is listed at $19.99. Third Reality USBC-Dongle (better spec).
Who should buy Smlight SLZB-MR3?: Choose Smlight SLZB-MR3 if your priority is rating and power and that matters more than price.
Who should buy Third Reality USBC-Dongle?: Choose Third Reality USBC-Dongle if your priority is price and matter bridge and that matters more than rating.

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