【Product Description】 Thank you for viewing. This product is a 250GB HGST HDD built into a USB 3.0 external case. The health status is "Good" according to CrystalDiskInfo. HDD Scan also confirms 0 bad sectors. Furthermore, this product has a low usage time of 312 hours, making it a reliable choice as a used HDD. In addition, this product has undergone a 3-pass overwrite erasure using the NSA-recommended method (random 1 → random 2 → zero write), so no previous user data remains. You can use it with peace of mind in terms of security. The USB 3.0 compatible case makes data storage and backup comfortable. 【Specifications】 Manufacturer: HGST (formerly Hitachi) Model Number: HTS545025A7E380 Capacity: 250GB Rotation Speed: 5400rpm Connection: USB 3.0 (UASP compatible) Health Status: Good Usage Time: 312 hours Power On Count: 173 times Benchmark Reference Values (CrystalDiskMark) Read: Approx. 107MB/s Write: Approx. 105MB/s 【Included Items】 ・External HDD case ・USB 3.0 cable ※If desired A USB A to USB-C adapter will be provided free of charge. Please contact us via message after purchase. 【Condition】 ・Operation confirmed ・No bad sectors ・Completely erased using the NSA method ・Slight signs of use on the exterior 【Shipping】 We will carefully pack the item with waterproof and cushioning materials and ship it with tracking. 【Recommended Points】 ✔ Low usage time of 312 hours ✔ Health status "Good" ✔ 0 bad sectors ✔ Data completely erased ✔ High-speed transfer with USB 3.0