High quality plastic material,anti-shock and Support USB3.0 high transmision speed. backtowards compatible-usb2.0 Supports all standard 7mm/9.5mm 2.5inch HDD and SSD;Support serial- port ssd Operating Systems: for Win7 8 10 XP-/2000/MacOS-/Linux- Tool-free installation; hot-swap plug-and play-; No Additional Driver needed Item: HDD Case- HDD/SSD Size: for 2.5inch HDD/SSD Thickness: Support 9.5mm or less than, Support 7mm SSD System: for Win7 8 10 XP-/2000/MacOS-/Linux- Connector: Externel USB3.0 2.0 Internal: serial- Support Transfer Speed:for 5Gbps Supported Hard Disk: for less than 10mm 2.5inch HDD SSD (The product printed words depending on the batch, but this does not affect use) Colour:As Shown Material:plastic Package Contents: 2 x 2.5inch HDD SSD Enclosure 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.