BUSlink 640GB CipherShield AES 128-bit Key Encrypted External Slim Hard Drive USB 3.0 Model DSC-640-U3 Red Form Factor: 2.5 Dimensions: 5.3 x 3 x 0.5 Weight: 0.44 lbs. Package Contents: BUSlink CipherShield USB 3.0 AES 128-bit external slim drive 2 Cipher keys USB cable Power adapter User manual Parts: 1 year limited Labor: 1 year limited