1U LHS FatTwin Riser card: with 1 PCIe2.0 x16 Slot
2U LHS Front FatTwin riser card: with 1 PCIe3.0 x16 slot
2U TwinFat Riser Card Controller - 1x
2U RHS DCO Riser card: with 3 PCIe4.0 x8 slots
2x Hybrid ( NVMe /SATA) M.2 riser carrier card for X12 BigTwin,RoHS