WAVESHARE Raspberry Pi COMPATIBLE Pi5 PCIe to M.2 Interface Expansion Board Compact Version 1. This product features a compact layout design, allowing space for the built-in cooling fan of the Raspberry Pi 5 official case when connecting a 2230 size M-key M.2 peripheral to the Raspberry Pi 5. 2. Supports NVMe protocol M.2 interface hard drives, offering high-speed reading and writing for high work efficiency. 3. PCI-E ×1 Gen2 or Gen3 mode. 4. Only supports Raspberry Pi 5B and 2230 size M.2 hard drives. 5. Onboard work indicator lights: PWR is always on when powered, ACT flashes during reading and writing, providing a clear indication of the working status. 6. HAT+ design with onboard EEPROM chip. 7. Extends the single-channel PCIe 2.0 interface of the Raspberry Pi 5 (speed approximately 500MBs). 8. Supports M.2 M-key devices, only supporting 2230 size M.2 hard drives. 9. Provides 3A current to the connected M.2 hard drive. 10. Complies with Raspberry Pi HAT+ specifications and can be automatically detected via firmware. 11. Compact layout design allows installation between the Raspberry Pi USB ports and the built-in cooling fan and case cover, improving compatibility with the Raspberry Pi 5 official case. 12. Onboard LED indicators for power and ACT status. 13. Designed specifically for stacking with the built-in cooling fan of the Raspberry Pi 5 official case. 14. Dimensions: 65x56.5mm