Size: 1TB Technical Details Brand Seagate Series Barracuda Colour Silver Item Height 20 Millimeters Item Width 14.7 Centimeters Screen Size 3.5 Inches Item Weight 399 g Product Dimensions 10.2 x 14.7 x 2 cm Item model number ST1000DM003 Processor Count 1 RAM Size 1 TB Computer Memory Type DDR3 SDRAM Hard Drive Size 1024 GB Hard Drive Interface Serial ATA Wattage 6.2 Watts Power Source No