mSata in Dell XPS 1530M

i dont believe there is a dedicated mSATA port on the machine, but its signalling is the same as SATA, you just need to get a mSATA to 2.5" HDD adapter and use it in place of the the current HD
 
NOKOTION-0F125F-F125f-for-Dell-XPS-M1530-Motherboard-laptop-Mainboard-8600m-GT-PM965-Cpu-works.jpg

Bottom left hand corner, demarcated as UWB.