This M.2 NVMe to PCIe 3.0 x4 adapter is built with premium aluminum heatsink, effectively lowering operating temperature and preventing thermal throttling. It supports all common length M.2 M-Key NVMe SSDs, fits PCIe x4, x8, x16 motherboard slots perfectly. No driver required, simple to install, ideal for desktop storage upgrade, high-speed data transmission and daily stable use.