What are the distinctions among Self/2000, Self/4000, and Self/5000 in comparison to their LE versions (Self/2000 LE, Self/4000 LE, Self/5000 LE)?

The LE versions of Self/2000, Self/4000, and Self/5000 incorporate advanced technologies aimed at maximizing energy efficiency and functionality. These terminals feature upgraded processors for faster boot times and include a deep sleep mode to minimize energy consumption during idle periods. Additionally, the LE versions are equipped with new contactless chipsets compliant with EMV 3.1 standards, ensuring compatibility with the latest payment technologies and enhancing transaction security and speed.