The A3T4GF40BBF-JR is a high-performance DDR3L DRAM from Zentel, designed for applications requiring high speed and low power consumption. With specifications of DDR3L-2133 256Mx16 and a total capacity of 4 gigabits, this memory module employs a lower voltage of 1.5V, making it an excellent choice for energy-efficient systems. Its high data rate of 2133 MT/s allows for smooth performance in computing environments such as desktops, laptops, and networking hardware. Manufactured by Zentel, a company known for its innovative approach in the memory market, this DRAM module combines speed, efficiency, and reliability, making it a useful component for designers focused on optimizing system performance while minimizing power usage.