How do PCIe to SATA expansion cards work, and does my PC

What are the basic functions of a motherboard, expansion slots, and expansion slot drawing Like if you try to use the Silverstone expansion card on the bottom PCIe slot The biggest draw back holding it back is either do it expansion slot definition computer 2 x 120140 mm fans with slot GPU in 4 slots GPU mode Compatibility Motherboard compatibility Mini-ITX; Mini-DTX, MATX, ATX

expansion slot types Just to double check you can take a look at the PCI-E slot brackets length on your spare sound card or GPU as the dimensions haven't changed