Speed Class Rating: Read : Up to 22MB/s Write : Up to 16MB/s USB Specification: USB 2.0 Dimensions: 57.89 x 20.02 x 9.55mm Features: With 4GB to store your data and the performance to let it flow freely, this drive is ready to make convenient portability an afterthought. Parts: 2 years limited Labor: 2 years limited