nand-erase-block · shipping · also flash erase block

NAND erase block

A NAND erase block is a group of flash pages erased together by a block-erase operation.

Related Observatory article: NAND erase block on hesela.com

It is not a host logical block or a filesystem block. Geometry is device-specific; preserving live pages before reuse adds copying work. [1] [2]

Relations

related

nand-flash, nand-page, garbage-collection, program-erase-cycle, ftl

Citations

1. Agrawal et al. Design Tradeoffs for SSD Performance. USENIX ATC 2008, section 2 and Table 1. (accessed 2026-10-15)
2. Cai et al. Error Characterization, Mitigation, and Recovery in Flash-Memory-Based Solid-State Drives. 2017, sections 2.1 and 2.3. (accessed 2026-10-15)

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