DDR4 SO DIMM Sockets are designed to JEDEC industry standards. They are available with standard and reverse key positions, GF, 5u", 10u", 15u", and 30u" gold thicknesses, 4.0mm, 5.2, 8.0, and 9.2 heights, and tray and reel packaging. DDR4 SO DIMM Socket applications include mass storage, communications, desktop PCs, and instrument equipment.