X1011 is a PCle M.2 NVMe protocol M.2 SSD expansion board designed for 5, which can accommodate 4 hard drives. It supports NVMe protocol M.2 interface hard drives, high-speed reading and writing, fast data transfer and ultra-fast boot X1011 is specially designed to be placed at the bottom of for 5, without interfering with for 's FPI0, you can still expand your favorite HAT. In addition, it is fully compatible with for 's official passive cooler to efficient heat dissipation. The mounting holes and brackets not only protect the SSD drive, but also effectively dissipate heat for reliable performance. The built-in LED light indicates the read or write status. If you find that you cannot start or cannot recognize the hard disk, Please check the power supply and whether the spring of X1011 is aligned with the chip of Pi5; Check the wiring. The FFC cable has a direction. Please check whether the words on the cable are connected correctly; Please update your firmware [Power Supply Instructions] 2.5Vdc /-5%≥5A powered through the DC power jack 1.5Vdc /-5%≥5A, powered through FFC and pogo pins Tip: Do not power X1011 and for Raspberry Pi5 at the same time Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:Black Material:PCB Package Contents: 1 x Expansion Board Kit 1 x Case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.