This DDR4 (260-pin) memory is designed for DDR4 laptop sockets and will not work on DDR3 (204-pin) sockets. This memory is designed for motherboard sockets, which support 32GB per socket capacity. F or sale is a new and sealed Crucial 64GB (32B x 2) DDR4 laptop memory. The item "Crucial 64GB (32GB x 2) DDR4 2666MHz SODIMM (CT2K32G4S266M) Laptop RAM" is in sale since Wednesday, January 27, 2021. This item is in the category "Computers/Tablets & Networking\Computer Components & Parts\Memory (RAM)". The seller is "ideals_uk" and is located in London. This item can be shipped to United Kingdom.