A-Tech Memory (RAM) upgrade compatible for select Laptop, Notebook, and All-in-One (AIO) computers ^^ 64 GB RAM Kit (2 x 32GB Modules); DDR4 SO-DIMM 260-Pin; Speeds up to 2666/2667-MHz, PC4-21300 (PC4-2666V) ^^ NON-ECC Unbuffered; 2Rx8 (Dual Rank x8); JEDEC DDR4 standard 1.2V ^^ Expands your system's available Memory RAM resource, improving performance, speed and allowing you to take on more while maintaining a smooth experience ^^ Quick and easy to install, no expertise required (Please refer to your system's manual for seating and channel guidelines) ^^ All A-Tech memory modules undergo stringent quality control testing to ensure dependable and reliable performance ^^ Backed by A-Tech's Limited Lifetime Warranty and supported by our knowledgeable Tech Team available to help before and after your purchase