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ASUS HYPER M.2 X16 GEN 4 CARD Hyper M.2 X16 PCIe 4.0 X4 Expansion Card, PCIe 4.0/3.0 x16 interfac, PCIe 4.0, PCIe 3.0 bandwidth, Up to 4 x M.2 slots (Key M), LED & Button 1 x M.2 FAN Power Switch 4 x M.2 access LEDs.
The ASUS Hyper M.2 x16 Gen 4 Card is compatible with the Intel® X299, Z390, Z370 and future platforms' RAID-on-CPU function, and supports PCIe 4.0 NVMe RAID on the AMD TRX40 and X570 platforms.