Ideal storage solution for Zero W & Zero 2W - 2.5Inch SATA HDD/SSD Shield. Supports up to 4TB 2.5-inch SATA hard disk drives (HDD) / solid-state drive (SSD). USB 2.0 connectivity offers plug-and-play functionality on your for . Supports USB Attached SCSI Protocol (UASP). LED green indicates RPi activity status and LED blue indicates drive status. Note:Due to different product batches, the appearance , which does not affect the use. On-board three USB 2.0 Ports - No more external USB hub Gain 3 USB2.0, downstream ports which offer High-Speed (480Mbps), Full-Speed (12Mbps), and Low-Speed (1.5Mbps) Supports Multiple Transaction Translators for optimum performance Powers the for via Pogo Pins - no wirindg & soldering required. Colour:Black Material:Plastic+Metal Package Contents: 1 * expansion board 1 set * accessories 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.