Digital Storage Capacity: 1.2 Tb Brand: Dell Hard Disk Form Factor: 2.5 Inches Form Factor: 2.5 Inches Hard Disk Description: Mechanical Hard Disk Parts Should Be Installed By Experienced Technicians. Genuine Part And Model The Hp 627117-S21 Model Internal Hard Drive Has A 2.5 Inch Form Factor And A 6Gb/S External Data Transfer Rate. It Has A Spindle Speed Of Up To 15000 Rpm And A 300 Gb Capacity.