Apple welcomes the AI ​​wave and is planning to switch to QLC NAND for iPhone: storage limit to 2TB

Thanks to netizen South China Wu Yanzu for submitting the clue! According to news on July 25, TrendForce released a market research report on July 22, revealing that Apple is planning to use QLC NAND flash memory, which will be used in iPhone products as early as 2026, allowing its storage limit to reach 2TB.

### QLC and TLC

• TLC (three-layer cell): stores three bits of information, costs less than MLC, and is suitable for consumer electronics and mainstream SSDs.
• QLC (quad-layer cell): stores 4bit data, 33% higher density than TLC, used for entry-level SSD and large-capacity storage, with the lowest endurance (P/E cycle between 100-1000).
• Manufacturers use error correction, provisioning, and wear leveling to maintain the reliability of QLC NAND.

Apple advances QLC NAND

• Apple plans to use QLC NAND on the iPhone 14 series.
• Apple may use QLC NAND on the iPhone 16 Pro series to increase the storage limit to 2TB.
• QLC has high density but slow speed and poor durability.

Large Language Model

• Apple is exploring the use of QLC NAND to store large language models (LLM) to facilitate local AI tasks.
• The transition to QLC NAND will help improve the performance of Apple Intelligence.

Related reading

• "TrendForce: The rise of HBM and QLC will boost the DRAM and NAND industry revenue growth by more than 70% month-on-month this year"
• "The highest capacity in the industry, Kioxia 2Tb QLC flash memory sample shipments: bit density is higher The fifth generation increased by 2.3 times》

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