An A-Tech Memory (RAM) upgrade is an easy, quick way to boost your system's performance by speeding up loading times, improving system responsiveness, and increasing your system's ability to handle higher workloads. Take on more and multitask with ease with a simple and affordable A-Tech Memory upgrade!Designed for the Asus/ASmobile K55 K55Vd Memory Specs Memory Size: 8GB (1x 8GB Module) Memory Type: DDR3 Form Factor: DIMM (204-Pin) Non Ecc SO-DIMM Speed: 1600MHz PC3-12800 / (PC3-12800) Rank: 2Rx8 (Dual Rank x8) Voltage: 1.5VEnsured ReliabilityAll A-Tech Memory products are rigorously tested to ensure that your memory meets our stringent quality and performance standards.Lifetime WarrantyPurchase with confidence knowing that all A-Tech orders are backed with our Lifetime Warranty.US Based Technical SupportNeed help? Have questions? Our 5 star United States based support team is here to help before, during, and after your purchase to make sure you are completely satisfied with your A-Tech Memory!