Purchased from Amazon Outlet in October 2025. A "checked" sticker is affixed. Listing because the family no longer needs it. The 6TB Barracuda HDD features a 5400 RPM rotational speed and a 256MB buffer, providing a reliable storage solution. - Model: Barracuda 6TB - Serial Number: ST6000DM003 - Capacity: 6TB - Interface: SATA - Rotational Speed: 5400 RPM - Buffer Memory: 256MB Price negotiations are not accepted. Thank you for your understanding. Thank you for viewing.