Turn up to four PCIe 80mm M.2 solid state drives (M-Key) into an external TB3 storage solution with this 4-Bay Thunderbolt 3 NVMe Enclosure for M.2 NVMe Solid State Drives. It features data transfer speeds ranging up to 40Gbps, a downstream TB3 port, DisplayPort video output and a vented metal enclosure with thermal pads and fan. You can connect the four M.2 PCIe NVMe and/or AHCI drives with an 8Gbps PCIe lane dedicated to each drive. It also supports software RAID with storage management systems like Storage Spaces (Microsoft) , RAID Assistant (macOS) and mdraid/mdadm (Linux).