Exposes the For 5's single- PCIe 2.0 interface (up to approximately 500MB/s). Supports M.2 M-key devices, but only supports 2230-size M.2 hard drives. Supplies up to 3A of current for connected M.2 hard drives. Compliant with the For HAT+ specification, automatically detected by firmware. Compact design fits between the for 's USB port, the built-in cooling fan, and the case cover, enhancing compatibility with official For 5 cases. Onboard power and ACT status LEDs. Designed for stacking with the built-in cooling fan in official For 5 cases. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color:Green Material:PCB Package Contents: 1 * PCle to M.2 Interface Expansion Board 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.