Full definition
Launched in 2011, NVMe replaces the AHCI/SATA protocol inherited from the mechanical-HDD era. Where SATA has 1 queue of 32 commands, NVMe has 64K queues of 64K commands each, eliminating the protocol bottleneck for modern SSDs. NVMe SSDs reach 7,000+ MB/s sequential (PCIe 4.0) and millions of random IOPS. In recovery, NVMe SSDs are technically more complex: proprietary controllers per manufacturer (Samsung, WD, Phison), mandatory hardware encryption on some, M.2 or U.2 connection requiring specific adapters for imaging. Tools like PC-3000 NVMe are essential.
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