MD280NT15GB/18.5PB MD280NT1.5GB MD280NS0.7GB MD280NS0.4GB,MD280NS0.7GB,MD280NS1.5GB,MD280NS2.2GB,MD280NT0.7GB,MD280NT1.5GB,MD280NT2.2GB,MD280NT5.5GB/7.5PB,MD280NT7.5GB/11PB,MD280NT11GB/15PB,MD280NT3.7