4x M.2 slots for NVMe SSD - PCIe3.0 x8 Carrier Card
M.2 NVMe Carrier Controller - 4x M.2 22x42/22x60/22x80/22x110 M-Key Internal Ports - PCI-Express 3.0 X8 Slot - Full-Height - Up to 4 Drives - OEM - Windows / Linux Compatible
LSI 2308 8i Port Raid-Card SAS 6.0b/s G3 PCI-Ex8 Reg/LP
8-Port SAS 12.0Gb/s Controller - 8x PCI-Express 2.0 X8 Slot - Low-Profile - RAID 0/1/10 Supported - LSI SAS 2308 Controller