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First of all, let me state up front that Intel RST will only support one active Optane Memory cache. That is, if your desire is to have a Optane SSD that is using its Optane Memory component to accelerate (through caching) the performance of its SSD component, then you cannot (also) use a Optane Memory module to accelerate (through caching) the performance of a HDD. If your desire is to have a Optane Memory module accelerate the performance of a HDD, I would not get an Optane SSD. Instead, I would use a super fast M.2 SSD drive from a 3rd-party supplier. Now, this discussion has so far presumed two M.2 Type M connectors. If your laptop only has a single M.2 Type M connector, the issue is moot (you can have only one super fast M.2 SSD, Optane SSD or Optane Module).
Next, let me also offer up some opinions. First, I believe that it is much, much better to have a super fast M.2 SSD -- say one with 500GB of space to handle all of your games, etc. -- and a non-accelerated HDD to store your less-seldom-accessed files (pictures, music, videos, etc.). The caching of a HDD that has this kind of content is not going to be that great, so not having caching is not a big issue. Secondly, there are super fast M.2 SSDs that offer performance on par with or better that the Optane SSDs and, in many cases, at a better price. For example, this drive: https://www.amazon.com/XPG-SX8200-Gen3x4-3000MB-ASX8200PNP-512GT-C/dp/B07K1HMMJC offers R/W performance of 3350/2250 (6x/4x that of SATA) and is only US$80 for 512GB.
The Optane Memory modules come in 16, 32 and 64GB sizes. Here is a comparison of their features and (IMHO, poor) performance: https://ark.intel.com/content/www/us/en/ark/compare.html?productIds=135531,135454,135581,135453. Note that the 16GB size does not support the folder caching feature.
The M.2 Optane SSDs come with 16 or 32GB caches and 256GB, 512GB or 1TB of storage. Here is a comparison of their features and (IMHO, awful) performance: https://ark.intel.com/content/www/us/en/ark/compare.html?productIds=189614,189613,189611.
Intel probably hates what I have to say (and that I am saying it in their forums), but you really can't fault my analysis.
...S
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First of all, let me state up front that Intel RST will only support one active Optane Memory cache. That is, if your desire is to have a Optane SSD that is using its Optane Memory component to accelerate (through caching) the performance of its SSD component, then you cannot (also) use a Optane Memory module to accelerate (through caching) the performance of a HDD. If your desire is to have a Optane Memory module accelerate the performance of a HDD, I would not get an Optane SSD. Instead, I would use a super fast M.2 SSD drive from a 3rd-party supplier. Now, this discussion has so far presumed two M.2 Type M connectors. If your laptop only has a single M.2 Type M connector, the issue is moot (you can have only one super fast M.2 SSD, Optane SSD or Optane Module).
Next, let me also offer up some opinions. First, I believe that it is much, much better to have a super fast M.2 SSD -- say one with 500GB of space to handle all of your games, etc. -- and a non-accelerated HDD to store your less-seldom-accessed files (pictures, music, videos, etc.). The caching of a HDD that has this kind of content is not going to be that great, so not having caching is not a big issue. Secondly, there are super fast M.2 SSDs that offer performance on par with or better that the Optane SSDs and, in many cases, at a better price. For example, this drive: https://www.amazon.com/XPG-SX8200-Gen3x4-3000MB-ASX8200PNP-512GT-C/dp/B07K1HMMJC offers R/W performance of 3350/2250 (6x/4x that of SATA) and is only US$80 for 512GB.
The Optane Memory modules come in 16, 32 and 64GB sizes. Here is a comparison of their features and (IMHO, poor) performance: https://ark.intel.com/content/www/us/en/ark/compare.html?productIds=135531,135454,135581,135453. Note that the 16GB size does not support the folder caching feature.
The M.2 Optane SSDs come with 16 or 32GB caches and 256GB, 512GB or 1TB of storage. Here is a comparison of their features and (IMHO, awful) performance: https://ark.intel.com/content/www/us/en/ark/compare.html?productIds=189614,189613,189611.
Intel probably hates what I have to say (and that I am saying it in their forums), but you really can't fault my analysis.
...S
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Thank you for your info.
Michael Cote'
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