【Domestic Authorized Product】Reliable manufacturer Western Digital WD's 3.0TB large-capacity WD Red NAS hard drive, NASware 3.0 compatible. Although unused, it was connected to a PC for verification and its operation was confirmed without initialization. (Please refer to the attached images) Purchased as a spare, it has been stored in a smoke-free home without pets in like-new condition without being used. This is a used item purchased from a general customer by our company. - Capacity: 3.0TB - Interface: SATA3.0 - Cache: 64MB - Internal HDD 3.5 inch NAS 3TB SATA 3.0 (SATA 6Gb/s) WD30EFRX p1m72rm Please check the condition of the appearance in the photos.