DDR3L is more powerful and compatible with DDR3 suitable notebooks All memory is 16 chips, front and back, 8 chips on the side Before buying, check that the memory voltage used by your laptop is 1.5v or 1.35v. The SPD interface on the CPU-Z can be checked. New product, lifetime warranty. Memory parameters: No ECC No buffer Ddr3 1600MHZ=PC3-12800, CL11 Suitable for common notebooks laptop
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