Features: Compatible for 3040, designed specifically for SDI0 mode operating. Incorporates a professional chip for fast microsecond support short-circuit protections, safeguarding against damage to unsupported or damaged transflash cards. Supports standard EMMC 4-bit designs and certain transflash cards using the SDIO, ensuring compatibility with a ranges of option. Recommended for use with lower-end U1/3 cards, known for reliabled read and write speeds of 30-80M/s. Installation requires powering off the machine due to the not hot-swap nature of SDI0, ensuring safe and secure setup. Specifications: For Wys 3040, allowing expand their storage option effectively. Compatible transflash card, particularly those known to work well with SDI0 Color: Black Component PCB Package Includes: 1x for 3040 to SDI0 transflash Adapter note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution