HDD status confirmed as normal using CrystalDiskInfo. Initialized and formatted. RAID is not configured, so it is recognized as two HDDs. You can use RAID 0 or RAID 1 as desired. Login to the settings screen confirmed using BUFFALO NAS Navigator2. Firmware updated to the latest Ver.1.88. If you cannot connect via SMB on Windows 11 24H2 or later, you may be able to resolve this by adding Windows credentials, referring to the following information: https://www.buffalo.jp/support/faq/detail/124162295.html "Adopting a high-speed CPU. Achieves a maximum transfer speed of approximately 100MB/s, significantly improving processing power. You can transfer large amounts of data, such as high-definition video, quickly and comfortably at a transfer speed exceeding the USB 2.0 standard value of 60MB/s (480Mbps)." Please check the manufacturer's page for detailed specifications. https://www.buffalo.jp/product/detail/ls420d0402.html