3.5-inch Professional Surveillance Hard Drives for DVR & NVR Security Camera Systems

24/7 Non-Stop Recording for NVR/DVR Systems Insert the hard disk drive into the NVR or NVR to record & save videos continuously. You'll never miss any important details during your absence. Compatible with All-Brand DVR/NVR Systems The professional surveillance HDD, with surveillance-optimized hardware, can be integrated into DVR/NVR systems from all brands, instead of the ANNKE only. Premium Materials for Long Lifespan SANNCE HDDs are made from industry-leading materials without grinding marks. The thinner & lighter design provides more flexibility for easy carry. The pins of the HDD are brand-new even after long-term operation. Wide Application for Every Storage Need The professional HDD works seamlessly with NVR and DVR security camera systems, and can be used for expanding the storage space of your computers or used as the data storage disk for enterprises. Tailor-Made Storage Disk with Enhanced Performance The HDD is designed for running 24/7, without worrying about droppe