So what can I use the mSATA slot for? - ROG Forum

Are mSATA to adapters a good idea? msata slot I wouldn't grab a mSATA drive for that motherboard, I have the Z77-D3H, so one version back from what you have And in the manual it states that slot gaming machine Transcend 64GB mSATA Internal SSD - mSATA SSD 230S Solid State Drive - with DDR3 DRAM Cache - ReadWrite - up to 350200 MBs

bo slot singapore Not likely mSATA is designed for small form factor mezzanine SSDs Very similar to but SATA and NVMe are completely different protocols