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The PH441 is a professional PCIe 4.0 M.2 MKey adapter board integrating testing and protection functions. Equipped with a gold finger guard, it prevents physical damage and oxidation of PCIe contacts during frequent plugandtest operations. It supports the full range of M.2 NVMe SSDs from 2230 to 2280, delivering stable PCIe 4.0 highspeed performance. Perfect for SSD testing, burnin verification, lab use and highperformance storage expansion for desktops and workstations.