2U RHS DCO Riser card: with 2 PCIe4.0 x16 Slots and 1 PCIe4.0 x8 Slot
16-Port SAS3 Convertor: from 4x MiniSAS-HD Internal cable to 4x External SAS3 ports (w/ LP )
( with Low-Profile IO Bracket) - 16-Ports SAS3 12Gb/s Int-to-Ext Convertor Controller - 4x SFF-8643 Mini-SAS HD Internal Ports - 4x SFF-8644 Mini-SAS HD External Ports - Add-on-Module Slot - Low-Profile - No Cable(s) Included