Smlight SLZB-MR3 vs Smlight SLZB Ultima

Full Smart Dongles comparison in 2026

Data from Amazon and official Smlight site.
2026 verdict
In 2026, the recommendation leans toward Smlight SLZB-MR3. It has the clearer edge on power, and it stays ahead on its broader overall balance. Pick Smlight SLZB Ultima only when z-wave controller is the deciding factor for your setup. For most setups, Smlight SLZB-MR3 is the smarter buy.
vs
FeatureSmlight SLZB-MR3Smlight SLZB UltimaWinner
PowerUSB, PoEPoESmlight SLZB-MR3
Z-Wave ControllerNOYESSmlight SLZB Ultima
Zigbee Chip ModelEFR32MG24 / CC2674P10EFR32MGXX / CC26XXPXDifferent strengths
Warranty1 year1 yearTie
ConnectivityUSB, Ethernet, 2.4 GHz WifiUSB, Ethernet, 2.4 GHz WifiTie
Zigbee RouterYESYESTie
Thread Border RouterYESYESTie
Matter BridgeNONOTie
Dual NetworkYESYESTie
Bluetooth ProxyYESYESTie

Frequently Asked Questions (FAQ)

Which is better overall: Smlight SLZB-MR3 or Smlight SLZB Ultima?
Smlight SLZB-MR3 has the stronger overall profile in this comparison, especially for power.
What is the biggest difference between Smlight SLZB-MR3 and Smlight SLZB Ultima?
Power is one of the clearest differences: Smlight SLZB-MR3 lists USB, PoE, while Smlight SLZB Ultima lists PoE.
Who should buy Smlight SLZB-MR3?
Choose Smlight SLZB-MR3 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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