Why are m.2 ssds advertised as using SATA?

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why_wolf
because the m.2 size factor can use either PCIe or SATA. The SATA ones are pointless as they are no better than a normal SATA SSD drive.
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ko888

ko888

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Feb 18, 2009
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If you look underneath the label of the WD Blue PC SSD M.2 2280 500GB you'll see this:
WD_Blue_M.2_PC_SSD_500_GB.jpg
 
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ko888

ko888

Titan
Feb 18, 2009
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84,990


SATA3. The limitation is the SATA controller chip and an inefficient AHCI protocol.

On a Samsung NVMe SSD 960 EVO M.2 PCIe for example, that uses Samsung's own Polaris NVMe controller and four PCIe 3.x lanes, you'll get the extremely high sequential Read/Write speeds.

NVMe = NVMHCI (Non-Volatile Memory Host Controller Interface) protocol in combination with four PCIe 3.0 lanes
 
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