2TB Seagate HDD Server Exos 7E8 (ST2000NM004A) {SAS 12Gb/s, 7200 rpm, 256mb buffer, 3.5″}

2TB Seagate Enterprise Capacity 2.5 HDD (ST2000NX0273) {SAS 12Gb/s, 7200 rpm, 128 mb, 2.5″}