PCIe PC adapter card for 1x PCIe NVMe SSD M.2 M-key form factor 2230 to 2280 NVMe SSD removable frame for fast, tool-free replacement of the data carrier maximum data transfer rate 64Gbit/sec, depending on the NVMe used + the mainboard used (Gen4) stainless steel removable frame + open design + thermal pad + aluminum heat dissipation = optimal passive cooling, also low profile, anti-vibration. PCIe x4 Bus Slot / PCI Express x4 Lane Host Adapter