A:AnswerI just got mine and there are 2 SSD slots and very easy to install, they just click into place.
But you want a longer cable because the connector is on the other side of the motherboard.
A:AnswerThe HDD, SDD and SATA are different storage versions distinguished by the way it is connected to the motherboard and their data reading speed. This computer has both HDD (1 TB) and SSD (256 GB) storage formats.