DDR4 offers multiple advantages over previous DRAM generations & ADATA provides the highest quality & the fastest performance Our Premier SO-DIMM DDR4 modules for instant upgrades on any compatible notebook They deliver faster data transfers than DDR3 coupled with lower energy consumption that reduces heat & extends battery life Our DDR4 is also optimized to unlock the power of the newest Intel processors Extra Fast & Ultra Efficient ADATA DDR4 modules for notebooks realize new generation advantages in highly reliable & cost-effective products DDR4 brings higher performance thanks to faster frequencies compared to DDR3 going up to 2133 M Hz It does this while operating at a low 12V which is 20 less than DDR3 in terms of energy consumption DDR4 is therefore more performance & greater efficiency in one Lifetime Warranty All ADATA memory modules are produced & tested by a rigorous quality control process for rapid computing & stable operation In addition ADATA memory modules provide customers a lifetime warranty for maximum assurance with excellent service Memory Memory layout (modules x size) 1 x 8 GB Internal memory 4 GB Component for PCserver Memory form factor 260-pin SO-DIMM Memory voltage 12 V Module configuration 512M x 8 Unbuffered memory Yes Memory clock speed 2133 MHz Internal memory type DDR4