DDR3L / DDR3 1600MHz PC3L-12800 / PC3-12800 240-Pin Unbuffered Non-ECC 1.35V / 1.5V CL11 Dual Rank 2Rx8 based on 256x8 All Timetec products are of high quality and rigorously tested to meet strict standards Voltage: JEDEC standard 1.35V, this is a dual voltage part and can work at 1.35V or 1.5V Compatible with DDR3 laptop / notebook PC, Mini PC, all-in-one device The PCB color may be different (black or green) due to different production batches