The KIOXIA Toshiba SSD KBG40ZNS512G is a high-performance 512GB PCIe4.0x4 NVMe M. 2 2230 solid-state drive designed for use with laptops, PCs, and Macs. With a read speed of 2200MB/s and a write speed of up to 1400 MB/s, this internal SSD offers fast data transfer rates. Its compact form factor makes it easy to install and its dual-drive feature allows for convenient data management. The Toshiba brand ensures reliability and quality, making this SSD a great choice for those looking for a high-capacity, high-speed storage solution.