[Compatible with other HAT expansion boards] FFC length is only 30mm; Supports the installation of official active radiators, and also supports radiators; With ACT LED indicator light; on: normal power/standby, flashing: read/write; Reserve space for installing the POE module; Support 2230/2242/2260/2280 NVME M2 SSD disk. Only 2280 hard drive installation screws are provided, hard drive installation screws of other lengths need to be prepared by yourself; Can power X1001 expansion board directly from FFC PCIe strip (providing maximum 5W continuous power) [PCIe interface design based on P15] PI5 can be connected through the FFC cable, and the X1001 expansion board can be powered directly from the FFC PCIe strip (providing a maximum continuous power of 5W) Integrated XH2.54 5V power connector, if you use a super-large capacity SSD, if the current is not enough, you can use it directly [ACT LED indicator] Onboard ACT LED indicator: On: normal power/standby, flashing: read/write Due to different batches, the appearance, color and printed words of the product , which not affect the use. Material: PCB colour: black Package Contents: 1 x Expansion Board 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.