The SK hynix DDR5 SDRAM SO-DIMM Laptop RAM features a total capacity of 40GB spread across 5 modules, with each module containing 8GB of memory. Designed for high performance, the RAM utilizes the PC5-5600B bus speed, making it ideal for demanding computing tasks such as gaming, multimedia editing, and multitasking. The DDR5 SDRAM technology provides faster data transfer speeds and lower power consumption compared to traditional DDR4 RAM, offering a competitive edge for users looking to enhance their laptop's memory capabilities.all ram tested and confirmed works.