![How to tell if a CCTV security system comes with or without a pre-installed hard drive — SecurityCamCenter.com How to tell if a CCTV security system comes with or without a pre-installed hard drive — SecurityCamCenter.com](https://securitycamcenter.com/wp-content/uploads/2020/08/how-to-tell-if-a-cctv-security-system-comes-with-or-without-a-pre-installed-hard-drive.jpg)
How to tell if a CCTV security system comes with or without a pre-installed hard drive — SecurityCamCenter.com
![HD NVR Hikvision engineering and NVR SATA*4 DS 7916N E4/16P NVR/DVR Hikvision network DVR|dvr satellite|dvr hard drive recorderdvr user - AliExpress HD NVR Hikvision engineering and NVR SATA*4 DS 7916N E4/16P NVR/DVR Hikvision network DVR|dvr satellite|dvr hard drive recorderdvr user - AliExpress](https://ae01.alicdn.com/kf/HTB1F3DhJFXXXXa0XFXXq6xXFXXXG/HD-NVR-Hikvision-engineering-and-NVR-SATA-4-DS-7916N-E4-16P-NVR-DVR-Hikvision-network.jpg_Q90.jpg_.webp)
HD NVR Hikvision engineering and NVR SATA*4 DS 7916N E4/16P NVR/DVR Hikvision network DVR|dvr satellite|dvr hard drive recorderdvr user - AliExpress
![China 128CH 4K 8MP/128CH 5MP Ultra HD CCTV IP Camera NVR with 16 HDD SATA 128tb Working with Hikvision Dahua Software Camera - China NVR, Poe NVR China 128CH 4K 8MP/128CH 5MP Ultra HD CCTV IP Camera NVR with 16 HDD SATA 128tb Working with Hikvision Dahua Software Camera - China NVR, Poe NVR](https://image.made-in-china.com/318f0j00vQsYzTtdgihw/4K-8CH-POE-NVR-DEMO-MIC-mp4.jpg)