1. Support NVMe protocol M.2 M KEY interface hard disk, high-speed reading and writing, improve work efficiency. 2. Can be connected to P15 through 16PIN cable Based on P15's 16PIN PCle interface design. 3. Support 4-channel NVMe hard disk Compatible with 2280 / 2260 / 2242 / 2230 size M.2 hard disk, only supports PCle x1 Gen2, supports booting P15 from SSD. 4. Upgrade Raspberry Pi to rejuvenate It has faster reading and writing speeds than the Micro-SD interface of for Raspberry Pi, greatly improves the reading and writing speed of the system or files, and supports NVMe SSD to boot for Raspberry Pi. 5. Can power P15 with onboard wide voltage power supply (7V-24V), can power for Raspberry Pi through the connecting cable (supports 5V 5A), and can also power the expansion board through P15. Note:The power cord is not included in the shipment. Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Colour:Black Material:PCB Package Contents: 1 * PCle to 4-channel M.2 adapter 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.