Avolusion Portable Storage System (HD250U3) 500GB Ultra Slim 2.5" SuperSpeed USB 3.0 Portable External Hard Drive (Black) is designed to attract the eyes of user at a glance with durable aluminum chassis external hard drive. <BR><BR><BR> The Avolusion HD250U3 500GB Hard Drive endeavors top quality design in durable aluminum case, with slim trimming, which make the Avolusion HD250U3 500GB 2.5" USB 3.0 External Hard Drive a fine piece of storage device on your palm. <BR><BR><BR> You can connect these to your USB 3.0 (or USB 2.0) port to expand your Laptop, Desktop, PS4/XBOX One Game console storage capacity instantly! It is fully compatible with Windows OS & Mac OS. (Reformat HDD required). SuperSpeed USB 3.0 Transfer Rate up to 5.0 gbps extreme fast performance!