Smlight SLZB-MR4 vs Smlight SLZB-MR5U

Data from Amazon and official Smlight site.

2026 verdict

In 2026, the comparison is balanced enough to stay conditional. Choose between them based on fit: Smlight SLZB-MR4 leads on its strongest specs and its broader overall balance, while Smlight SLZB-MR5U leads on its strongest specs and its broader overall balance. This is really about fit, not about one product winning everything. That leaves the final choice tied to context rather than to a single winner.

Smlight

Smlight SLZB-MR4

Price unavailable right now

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Smlight

Smlight SLZB-MR5U

Price unavailable right now

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Feature	Smlight SLZB-MR4	Smlight SLZB-MR5U	Winner
Zigbee Chip Model	EFR32MG26 / 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-MR4

Price unavailable right now

BUY NOW

+ Smlight SLZB-MR4 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-MR4 or Smlight SLZB-MR5U?: This one is close. Smlight SLZB-MR4 leads in some areas, while Smlight SLZB-MR5U leads in other areas.
What is the biggest difference between Smlight SLZB-MR4 and Smlight SLZB-MR5U?: Zigbee Chip Model is one of the clearest differences: Smlight SLZB-MR4 lists EFR32MG26 / CC2674P10, while Smlight SLZB-MR5U lists EFR32MG24.
Who should buy Smlight SLZB-MR4?: Choose Smlight SLZB-MR4 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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