Samsung 500GB External HDD (USB 3.0 Compatible) Thank you for viewing. This is a Samsung 2.5-inch HDD (500GB) built into a USB 3.0 compatible external HDD case. It is a model suitable for data storage and backup purposes. Operation Verification: HDD SCAN Full Scan: No bad sectors CrystalDiskInfo: Health Status "Normal" Usage Time: 7344 hours Power On Count: 1189 times USB 3.0 / UASP recognized Benchmark Reference Values: Sequential Read/Write: Approximately 88MB/s Idle Temperature: 23°C All confirmed to be operating normally. Data Erasure: Using the National Security Agency (NSA) recommended method: "Random Number → Random Number → Zero" 3-pass write, all data has been erased from the entire area. You can use it immediately upon arrival. Specifications: Manufacturer: Samsung Model Number: HM500JI Capacity: 500GB Interface: USB 3.0 (USB 2.0 compatible) Case: UASP compatible Included Items: HDD Body USB Cable (USB-A connection) ※ For those who want to use it with devices that only have a USB-C port, a USB-A to USB-C adapter is available. If you wish to have one, please let me know in the comments before purchasing. Appearance: Due to being a used item, there are some scratches and minor blemishes, but there is no damage that would interfere with use. Notes: There is an operating sound typical of HDDs. Performance is not guaranteed to be the same as new. Inspection results are as of the time of listing. Please refrain from purchasing if you are looking for a perfect condition item. Shipping: It will be protected with anti-static measures and cushioning material, and shipped via a trackable method.