I'm selling a hard drive because I bought two new TVs and purchased two hard drives, one for regular recording and one for time-shift recording, but I only needed one. It's practically new, as I only used it to test it out! I bought them for 40,000 yen for two after a discount. USB 3.2 Gen 1 (USB 3.0) compatible recording hard disk (exclusive to specific sales channels) 4TB all-recording hard disk, ideal for Panasonic VIERA. - Brand: I-O DATA - Model: 4TB - Compatible devices: Panasonic VIERA - Features: All-recording compatible - Connection method: AC adapter - Supported resolution: 4K - LED display: ON/OFF function Thank you for viewing. I'll include the product page. https://www.iodata.jp/product/hdd/rokuga/hdd-aut/