This adapter features 39pin and 40pin male interfaces with multiword DMA and DMA host data transfer, delivering stable and efficient data transmission without the need for an additional driver. Designed for computer technicians, enthusiasts, and users upgrading storage on older devices, this adapter provides a practical solution to extend system life and improve performance. Powering the hard disk is straightforward with a 5V power supply. Normal operating voltage is 5V ± 0.25V, and the operating current is less than 200 mA. Expand your storage with the SDXD to 39Pin Adapter, supporting memory cards up to 128 GB for seamless data transfer and enhanced device efficiency. Use scenarios Upgrading or restoring storage on aging desktops, laptops, or embedded devices that rely on SDXD interfaces. Professional work involving data transfer, system recovery, or storage expansion in older systems. DIY projects or retro computing setups that require reliable, driver data transfer between SDXD cards and 39pin interfaces.