This power socket is compatible with Samsung laptop models NP 300E4A, 300E4C, 300E4Z, 300E5A, 300E5Z, 300E7A, 300E7Z, 300U1Z, 300U2A, 300V3A, 300V3Z, 300V4A, 300V4Z, 300V5A, 300V5Z, 301E4C, 301E5C, 301U1A, 305E4A, 305E5A, 305U1Z, 305U2A, 305U2B, 305U4A, 305U4Z, 305U5A, 305V4A, 305V5A, 306U1A, 350U1A, 350U2A, 350U2B, 350U2Y, 350U2Z, 350V5A, 351U2A, 351U2B, 351U2C, 3415, E3415, 3415VA, E3415VA, 3420, E3420, 3430EA.

Note: It is an original OEM product, new and of high quality.