Smlight SLZB-MR3 vs Smlight SLZB-MR5U

Data from Amazon and official Smlight site.

2026 verdict

Across the full comparison in 2026, this remains a very tight race. Smlight SLZB-MR3 is the better fit for its strongest specs and its broader overall balance, while Smlight SLZB-MR5U makes more sense for its strongest specs and its broader overall balance. That makes this a use-case decision, not a blanket recommendation. So the better buy is the one that matches your own priority list more closely.

Smlight

Smlight SLZB-MR3

$105.99

BUY NOW

Smlight

Smlight SLZB-MR5U

Price unavailable right now

BUY NOW

Feature	Smlight SLZB-MR3	Smlight SLZB-MR5U	Winner
Zigbee Chip Model	EFR32MG24 / CC2674P10	EFR32MG24	Different strengths
Warranty	1 year	1 year	Tie
Power	USB, PoE	USB, PoE	Tie
Connectivity	USB, Ethernet, 2.4 GHz Wifi	USB, Ethernet, 2.4 GHz Wifi	Tie
Zigbee Router	YES	YES	Tie
Z-Wave Controller	NO	NO	Tie
Thread Border Router	YES	YES	Tie
Matter Bridge	NO	NO	Tie
Amplifier Gain	+20dB	+20dB	Tie
Antenna Gain	+5dBi	+5dBi	Tie
Dual Network	YES	YES	Tie
Bluetooth Proxy	YES	YES	Tie

Smlight

Smlight SLZB-MR3

$105.99

BUY NOW

+ Smlight SLZB-MR3 has a viable feature set with no obvious deal-breaker in the available data.

Smlight

Smlight SLZB-MR5U

Price unavailable right now

BUY NOW

+ Smlight SLZB-MR5U has a viable feature set with no obvious deal-breaker in the available data.

Frequently Asked Questions (FAQ)

Which is better overall: Smlight SLZB-MR3 or Smlight SLZB-MR5U?: This one is close. Smlight SLZB-MR3 leads in some areas, while Smlight SLZB-MR5U leads in other areas.
What is the biggest difference between Smlight SLZB-MR3 and Smlight SLZB-MR5U?: Zigbee Chip Model is one of the clearest differences: Smlight SLZB-MR3 lists EFR32MG24 / CC2674P10, while Smlight SLZB-MR5U lists EFR32MG24.
Who should buy Smlight SLZB-MR3?: Choose Smlight SLZB-MR3 if your priority is its specific strengths and that matters more than the competing advantages.
Who should buy Smlight SLZB-MR5U?: Choose Smlight SLZB-MR5U if your priority is its specific strengths and that matters more than the competing advantages.

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