Western Digital WD Red 3TB,Internal,5400 RPM,8.89 cm (3.5") (WD30EFRX) Desktop H
WD30EFRX 5400/7200 64. WD20EFRX 5400 64. WD60EFRX 5400 64. All are original products. The only constant is the model. Hard drive speed: 5400rpm/7200rpm. WD10EFRX 7200 64.