Thank you for viewing. This is a used WD (Western Digital) WD40PURX 4TB HDD, designed for surveillance purposes. Data has been deleted and a basic cleaning has been performed, and operation has been confirmed. ■ Product Overview Manufacturer: Western Digital Series: Purple (for surveillance cameras) Model Number: WD40PURX Capacity: 4TB Rotational Speed: 5400rpm Interface: SATA 6Gb/s Format: Optimal for NAS, recording, etc. ■ Condition Used product, so there may be minor scratches and signs of use, but there are no operational issues. Power-on and read/write tests were performed before listing, and normal operation was confirmed. No major abnormalities were found in the SMART information. Usage Time: 18837 hours ■ Included Items Main unit only (cables are not included) ■ Notes Please understand that this is a used product before purchasing. Due to being precision equipment, we may not be able to respond to issues during shipping. Lifespan varies depending on the usage environment, so please refrain from purchasing if you are concerned. ■ Packaging and Shipping We will pack it securely with an anti-static bag and bubble wrap, and ship it via anonymous delivery.