M.2 SSD vs SATA III SSD

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lxgoldsmith
The random read speed of a ssd helps with loading the operating system into memory, but it doesn't help with initializing drivers and rendering display. At some point, the system clock affects load times much more than the speed of the drive, at which point halving latency might reduce load time by 0.1s rather than 30s.

In other cases, such as swap/page files or caching, the read/write speed and latency have a massive impact on the system. NVME has been useful specifically in cases where files are cached into a ssd in bursts and transferred to RAID arrays at a more constant rate, and vice versa. That's where we use something like an Intel Optane nvme.

As far as I am aware, MLC/TLC NVME drives in normal builds don't drastically improve...
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techgeek

techgeek

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Apr 11, 2004
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Well nvme is much faster than SATA in terms of transfer speeds. So the M.2 drive will benchmark faster than a SATA drive. Whether that will give you a noticeable feeling of faster is another thing. It might be slightly faster when loading applications (maybe slightly fast loading Windows as well), but when you are down to seconds, even halving that might not be all that noticeable.
 
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lxgoldsmith

lxgoldsmith

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Sep 25, 2012
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The random read speed of a ssd helps with loading the operating system into memory, but it doesn't help with initializing drivers and rendering display. At some point, the system clock affects load times much more than the speed of the drive, at which point halving latency might reduce load time by 0.1s rather than 30s.

In other cases, such as swap/page files or caching, the read/write speed and latency have a massive impact on the system. NVME has been useful specifically in cases where files are cached into a ssd in bursts and transferred to RAID arrays at a more constant rate, and vice versa. That's where we use something like an Intel Optane nvme.

As far as I am aware, MLC/TLC NVME drives in normal builds don't drastically improve performance over SATA drives for any common applications. They fill a niche requirement for PC enthusiasts that specifically need a speed boost in data-heavy applications.
 
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