Overview
Kioxia's Fab 2 (K2) at its Kitakami plant in Iwate Prefecture is a 300mm 3D NAND flash memory fab run with joint-venture partner SanDisk (formerly Western Digital). Opened in 2025, it produces Kioxia's eighth-generation 218-layer BiCS FLASH memory using CBA (CMOS directly Bonded to Array) technology, expanding the company's advanced NAND output alongside its Yokkaichi site. Key facility details include: The facility is situated at Kitakami, Iwate, Japan. It focuses on NAND and Eighth-gen 218-layer CBA process nodes on 300mm wafers. This site represents an estimated investment of $7B. Production at this facility commenced in 2025.
Technology
About Kioxia
Kioxia is a global leader in memory solutions, dedicated to the development, production, and sale of flash memory and solid-state drives (SSDs). Kioxia is a pioneer in NAND flash technology and 3D memory architecture.