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 - 1 Year Depot Carry-In Mfg. Warranty