Best 200W box mod ? Wismec RX2/3 VS SMOK X Cube Ultra WISMEC Reuleaux RX2/3 Mod ------- $37.9 WISMEC Reuleaux RX2/3 Mod features replaceable back covers for two or three cells, which is designed by JayBo. It uses upgradeable firmware, custom logo and large OLED display. SMOK X CUBE Ultra Mod --------------$52.9 SMOK X CUBE Ultra Mod upgrades X CUBE II, which features 220W max output power and bigger easy-reading OLED. It has 10 creative upgrades to become the highest technological mod in the world.