Samsung Slim 90W With USB Port Replacement AC adapter for Samsung Notebook Model: Samsung NP550P5C-T01US, Samsung NP550P5C-A01US, Samsung NP500P4C-S01US, Samsung NP550P5C-T01US, Samsung NP300V3A, Samsung NP300V3A-A01US, Samsung NP300V3AI, Samsung NP300V4A, 100% Compatible with P/N: AA-PA3NS90, AA-PA1N90W/US, AD-9019, AA-PA3NS90/US. ***COME WITH MICROFIBER ADAPTER POUCH!! "STONE POWER EXCLUSIVE"***