Fully compliant with Industry standard PCIe 3.0 Slots; no-Bifurcation dependency or need for specific brand/model of motherboards Integrated, High-Performance Intelligent, PCIe Switch controller chipset powered by Broadcom ensures Dedicated PCIe x4 lane bandwidth is allocated to each M.2 Slot at all times PCIe 3.0 x16 Host Interface 4x M.2 Ports Native, in-box NVMe driver support for all major OS platforms Broad Compatibility with current computing platforms: HP, Dell, Alienware, Legacy Mac Pro, 2019 Mac Pro, Apple M1 Platforms Completely Silent, Fan-Less Cooling System