Manufactured in April 2025. Model number: WD43PURZ Used for 16 hours, so it's in near-new condition. Will be shipped in an anti-static bag. This is a hard drive for surveillance cameras and video recorders. It uses Western Digital's proprietary AllFrame technology. This reduces video frame loss and improves the quality of video recording and playback. Capacity: 4TB, for surveillance systems, video recorders, Purple series Writing method: CMR Interface: Serial ATA600 Cache: 256MB Brand: Western Digital WD Purple HDD capacity: 4000.0 GB Interface: Serial ATA HDD form factor: 3.5 inches WD Purple drives are made for both DVR and NVR security systems and are compatible with products from many major surveillance and security system manufacturers. You can find the best storage for your system. WD43PURZ WD42PURZ HDD Hard disk