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Optane and "enable write caching "

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Aug 23, 2024
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I typically check this option to improve my SSD performance however on my Optane Drive it says it's not compatible?

can anyone speak to this?
 
Most Optane M.2 sticks I see are NAND with some Optane as a cache
Those aren't the type of Optane he is talking about here, though they certainly were once more common.
 
The P1600X is pure optane.

P1600X.jpg
 
118GB is the capacity of the PX1600X which is rather small by modern standards

Supresided that this technology cannot be stacked lie NAND or HBM
 
118GB is the capacity of the PX1600X which is rather small by modern standards

P1600X

But still enough for a boot drive; mine is about half full.
 
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UGH, would love this for a server OS drive. Other options would be some enterprise u.2 or u.3 drives or high endurance m.2/sata SSDs.
 
The Optanes do not have a DRAM cache like Flash SSDs need.
Uh that has nothing to do with that option.

Enabling write cache means that writes are cached to memory first and only flushed to disk when certain criteria is filled, which helps if the disk has high latency. Optane doesn't have high latency, so enabling is fools errand (but certainly possible)
 
Uh that has nothing to do with that option.

Enabling write cache means that writes are cached to memory first and only flushed to disk when certain criteria is filled, which helps if the disk has high latency. Optane doesn't have high latency, so enabling is fools errand (but certainly possible)

All OSes in common use do caching in RAM by default.
 
Uh that has nothing to do with that option.

Enabling write cache means that writes are cached to memory first and only flushed to disk when certain criteria is filled, which helps if the disk has high latency. Optane doesn't have high latency, so enabling is fools errand (but certainly possible)
905P's anyway don't seem to allow this.

1725475536121.png
 
The P1600X seems to allow write caching

P1600X.jpg
 
How right you are

warning.jpg



They may be worried about losing their "Power Loss Protection"

P1660X.jpg
 
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