So after doing some research, I am still unsure of the actual benefits for my system . I have a dell 7577 that gives me the option to use IntelRST from the bios, which i understand is Raid setup. In my laptop I have a samsung PM961 (which i use as my system drive ) 512gb and a crucial MX300 (which i use with momentum cache enabled from executive storage manager) 512gb as an extra drive. I currently have my setup as AHCI and have installed samsungs NVME drivers, But as I like to tinker around I have found trouble in understanding how installing my system with the intelRST option vs AHCI benefits the system ? What benefits can i expect ? does this degrade my NVMe drive over time ? Does it improve anything ? I apologize if this question has been asked before, but i just couldnt find something similair.

EDIT by Fernando: Thread title customized

Intel premium rst is a bios option I have in regards to my sata option. It's that or ahci. I would like to get better performance. Possibly better battery as well.

so how come companies like dell turn this option on as default when shipping their laptop over ? They say that its a performance increase , which confuses me because i though it was just another sata controller thats improved over Microsofts AHCI controller. So will having Intel Premium RST on and integrating the RST drivers in a clean windows installation provide any performance improvements over the standard AHCI mode ?

I also remember a while ago on my lenovo laptop (y520) i installed my NVme drive and i couldnt get the samsung NVMe drivers to install with RST turned on from the bios. Whats the deal with that ? Whats more efficient for my system to use ?

Premium RST is very likely the Intel Optane offering. My UEFI has a long similar named option for the Optane portion.
You will definitely be better off with AHCI for anything single drive based on SSD/NVME/HDD.

The only real speed gain is RAID 0 with 2 identical drives on same controller which doubles the read/write speeds but you dont have any parity.

Just got lenovo laptop for wipe and reinstall windows 10 and it is set to RST premium .. looks like something new ? Maybe it manages to run NVMe's in RAID 0 ? :)

Hello guys
Anybody can join and discus about this ''new stuff feature'' from Intel ?
I found it in Lenovo ideapad 320S
Laptop has 128GB NVMe SSD Liteon CA1-8D128
Wiped laptop and windows 10 USB installation couldn't find SSD ..
Had to manually download latest RST drivers from intel and inject it to clean installation
Now windows runs under RST Premium
But what is the difference btw AHCI and this ?

Thnx

EDIT by Fernando: This post has been moved by me into this already existing thread (to avoid 2 different threads about the same topic).