SanDisk has started sampling the tiny chip that will make 512TB SSDs possible in 2027, but don't expect them to cost under $300,000

SanDisk and Kioxia BiCS10 chip.

• SanDisk's BiCS10 chip reaches 29Gb per square millimetre in density
• Bit density improved 59% compared to the previous BiCS8 generation
• Interface speeds now hit 4.8Gb/s, a 33% increase

SanDisk has confirmed it is now sampling BiCS10, its 10th-generation 3D NAND flash chip, built jointly with longtime manufacturing partner Kioxia.