To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.
Bought this to replace the hard drive in a friend’s aging (about 10 years old) Windows computer. Booting previously took about 5 minutes, but now takes only about 30 - 45 seconds. She’s very happy with the upgrade.