The product is a lot of 4 Micron 3400 512GB M.2 2280 PCIe Gen4 x4 NVMe Solid State Drives. These internal SSDs are designed for compatibility with laptops and PCs, offering a sleek black design and reliable high storage capacity of 512GB. With a focus on performance, these drives utilize M.2 interface, NVMe technology, and PCI Express connectivity for efficient data processing and transfer. The Micron 3400 model is known for its quality and performance, making it a dependable choice for expanding storage capabilities in various computing devices.Tested