Accelerating HDD with Optane Memory?

[ZarCusHD]

Is this worth it to do, to accelerate my HDD using Optane Memory?

I read some reviews somewhere that if you have faster SSD or NVME you are good to go and do not need to use optane memory?

I already have Samsung 970 EVO 250GB M.2 and 860 EVO SSD 1TB... But I still need a faster and huge HDD like 6TB to store all my files..

[Brooksie359]

Optane memory is a huge pain and I would avoid it. If something goes wrong with the optane memory it's a bitch to get the info off the harddrive. Had someone I know have to wipe everything because the optane memory freaked out from them removing the harddrive that the memory was attached to from the system. 

[porina]

Probably not worth it, but depends on use case. Presumably you put OS/apps/games on the existing SSDs, so what will the HD be used for? Bulk storage files? Like photos, videos, backups? Not really performance dependant, so in that case not really worth speeding up. If you have game install overflow, it could help.

[solarflare]

Optane is quite fast but it has all the same issues that SSD acceleration had for cache drive mode. 

If it drops off you may have OS issues , I've seen the HDD not recognizable after causing me to reset everything for a customer. 

I had too back the HDD up and wipe out the partition as well as dump the caching mode in intel raid  for it to show up as usable again. 

Saw the exact same things with SSD caching its a gamble but the performance is great and the speeds on m.2 pcie are quite good.

[RejZoR]

Just use the Samsung 970 Evo with PrimoCache to accelerate the HDD of choice. 250GB should be plenty for caching purposes. Optane is just too fiddly and its RAID like nature makes it super volatile imo. If things go wrong you can basically lose access to all data where with PrimoCache, it'll just fallback and read all of it from HDD, making it really slow, but it'll work without any pain or data loss.