Purchased new on Amazon several years ago. Used for backups with a Mac mini. Used only in a non-smoking, pet-free studio. No movement. Works without any problems. Formatted on a Mac, but please reformat it to your preferred format. Seagate External Hard Drive 5TB Expansion Portable HDD 2.5 inch 5TB large capacity portable HDD compatible with PC and Mac. Convenient design for portability: 2.5-inch size, lightweight and compact, making it easy to carry. No external power required: No external power supply is needed, making it easy to use. Accessories include only the cable. - Brand: Seagate - Model: Expansion - Capacity: 5TB - Connection Type: USB - Compatible OS: PC and Mac - Accessories: USB cable Thank you for viewing. No returns accepted. Please purchase only if you agree to these terms.