Unverified50% confidenceFactExact time

NAND裸片的读取时间（tR）约为25至75μs，远高于DRAM的约50ns

1

Sources

50%

Confidence

Long-term

Relevance

7/20/2026

First Seen

Sources

High-Bandwidth Flash (HBF): A New Path to Breaking the AI Storage Bottleneck

Related Claims

UnverifiedNAND闪存基于浮栅晶体管对电荷的捕获与释放，具有读快写慢特性，通常仅支持3,000至10,000次程序/擦除（P/E）循环66% similar Unverified堆栈式传感器通过集成高速DRAM缓存和大规模并行ADC，将全片读出时间从传统背照式的约30毫秒压缩至数毫秒级别63% similar Unverified以 LLaMA-2 70B 为例，每次完整推理需从存储加载约 140GB 权重数据，以 5GB/s 的 SSD 读速估算仅数据加载时间就约需 28 秒62% similar

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