SpaceMax- Now you can get the best of both worlds with SpaceMax. Thin walls mean more space for food storage on the inside, while the outside size stays the same. Twin Cooling Plus - Wouldn't it be good if all your food in the fridge stayed really fresh? Samsung Twin Cooling Plus does exactly that with a precise fridge temperature control. AI Energy Mode: Reduce your energy use by up to 10%¹ with AI Energy mode². In Maximum mode, AI energy is always on and in Custom mode, if your estimated electricity bill exceeds your pre-set target it operates AI Energy Mode automatically, optimising the compressor speed and defrost cycle, based on your usage pattern and surroundings. 5YR Warranty / 20YR Compressor - Samsung refrigerators offer innovative features & durable performance + a 5 year warranty on parts and labour³. Plus the industry's longest 20-year Digital Invertor Compressor warranty⁴ for exceptional reliability. SmartThings - A smarter way to store your food. Receive helpful notifications, remote engineer assistance and monitor your energy usage all via the SmartThings app⁵.