Smlight SLZB-MR5U vs Smlight SLZB Ultima

Data from Amazon and official Smlight site.

2026 verdict

In this 2026 comparison, Smlight SLZB-MR5U comes out ahead overall. Its biggest wins come from power, and its broader overall balance adds more confidence to the verdict. Smlight SLZB Ultima is the better fit only for buyers who prioritize z-wave controller above everything else here. That is enough to make Smlight SLZB-MR5U the better pick for most buyers.

Winner

Smlight

Smlight SLZB-MR5U

Price unavailable right now

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Smlight

Smlight SLZB Ultima

Price unavailable right now

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Feature	Smlight SLZB-MR5U	Smlight SLZB Ultima	Winner
Power	USB, PoE	PoE	Smlight SLZB-MR5U
Z-Wave Controller	NO	YES	Smlight SLZB Ultima
Zigbee Chip Model	EFR32MG24	EFR32MGXX / CC26XXPX	Different strengths
Warranty	1 year	1 year	Tie
Connectivity	USB, Ethernet, 2.4 GHz Wifi	USB, Ethernet, 2.4 GHz Wifi	Tie
Zigbee Router	YES	YES	Tie
Thread Border Router	YES	YES	Tie
Matter Bridge	NO	NO	Tie
Dual Network	YES	YES	Tie
Bluetooth Proxy	YES	YES	Tie

Winner

Smlight

Smlight SLZB-MR5U

Price unavailable right now

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+ Power: USB, PoE
- Z-Wave Controller: NO vs YES

Smlight

Smlight SLZB Ultima

Price unavailable right now

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+ Z-Wave Controller: YES
- Power: PoE vs USB, PoE

Frequently Asked Questions (FAQ)

Which is better overall: Smlight SLZB-MR5U or Smlight SLZB Ultima?: Smlight SLZB-MR5U has the stronger overall profile in this comparison, especially for power.
What is the biggest difference between Smlight SLZB-MR5U and Smlight SLZB Ultima?: Power is one of the clearest differences: Smlight SLZB-MR5U lists USB, PoE, while Smlight SLZB Ultima lists PoE.
Who should buy Smlight SLZB-MR5U?: Choose Smlight SLZB-MR5U if your priority is power and that matters more than z-wave controller.
Who should buy Smlight SLZB Ultima?: Choose Smlight SLZB Ultima if your priority is z-wave controller and that matters more than power.

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