S3rverSavvs,   The supported BOSS card for the MX750c would be part number WX5KW.   Hope this helps.  
Good afternoon, This might be a dumb question but is there a specific Boss card that I need to use for MX750c server blades?  mpn? (BOSS card with 2 M.2 240GB SATA drives) Thank you all!
BOSS-S1 card for MX750c Blades