Seagate SkyHawk 4TB, ST4000VX007 od 96,98 € - Heureka.sk
Seagate SkyHawk 4TB Surveillance Hard Drive 256MB Cache SATA 6.0Gb/s NVR DVR 3.5" Internal HDD ST4000VX013 - Newegg.com
Amazon.com: Seagate Skyhawk ST4000VX013 4 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Network Video Recorder, Video Surveillance System Device Supported : Electronics