X1003 is a PCleM.2 NVMe protocol M.2 solid-state drive expansion board specially designed for Raspberry Pi 5 and equipped with the for Raspberry Pi 5 official heat sink. It supports NVMe protocol M.2 interface hard drives, high-speed reading and writing, and Data transfer and ultra-fast startup The X1003 hardware has no limit on NVME SSD capacity, depending on the for Raspberry Pi operating system. Compatible with the for Raspberry Pi 5 active cooler and the official red and white case, but in order to install the X1003, you need to remove the fan layer on the top of the case. hint: If you find that you cannot start or the hard disk cannot be recognized, 1: Check the wiring. The FFC cable is directional. Please check whether the words on the cable are connected correctly; 2: Please update your firmware and refer to the user manual [About hard drive] Tested to be incompatible with the following hard drives: WD Blue SN550/SN580 series WD Green SN350 series WD Black SN850 series Other NVMe SSD drives feature the same Phison controller These specific models have demonstrated compatibility issues and it is recommended to avoid them when considering the X10xx series NVMe expansion boards. [Supports NVMe hard disk protocol] Support 2230/2242 NVME M2 SSD disk. Only 2242 hard drive installation screws are provided, hard drive installation screws of other lengths need to be prepared by yourself; Material: PCB colour: Black Package Contents: 1 x Kit 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.