Selling 4GB RAM modules in excellent working condition. Details below: 1. Team Group Elite 4GB DDR3L - (3 PCS One Brand New) - Capacity: 4GB - Type: DDR3L (Low Voltage - 1.35V) - Speed: 1600 MHz (PC3L-12800) - Timings: CL. Samsung 4GB DDR3 - Capacity: 4GB - Type: DDR3 (1.5V) - Speed: 1600 MHz (PC3-12800U) - Timings: CL11