I think something like this would work for you https://smile.amazon.com/IO-CREST-Expansion-Non-Raid-SI-PEX40156/dp/B08J2PK1HF/

IO CREST 4 Port SATA III PCI-e 3.0 x1 Expansion Card Non-Raid with Low Profile Bracket ASMedia 1064 SI-PEX40156 https://www.amazon.com/dp/B08J2PK1HF/ref=cm_sw_r_apan_glt_i_4S0SWSW2TDAPEYHSWNQB

This one served me well before I got my HBA.