solid state disk (ssd)

I have a new security system with a 4 terabyte HHD and a 256 gigabyte M.2 SSD. What would be the best storage configuration for this setup? Can I keep the OS and BI together on the M.2 and use the HDD for both new and stored footage or CAN and should I keep new footage on the M.2? Any help...

What will be your preference Brand name when it comes to Solid State Disk (SSD) ? My dell tower that has the 240Gb Sandisk SSD Plus (comes with 3 year warranty) as main disk for win 10 decided to go dead after about 3+ years and now i am in the marked of getting a new ssd and want to see what...