![Amazon.com : GW Security Inc 8CHH3 8 Channel HD-SDI DVR with 8 x 2.1 Megapixel 1080P Vari-Focal 2.8 to 12mm Manual Zoom Lens High Definition Camera System (White/Black) : Electronics Amazon.com : GW Security Inc 8CHH3 8 Channel HD-SDI DVR with 8 x 2.1 Megapixel 1080P Vari-Focal 2.8 to 12mm Manual Zoom Lens High Definition Camera System (White/Black) : Electronics](https://m.media-amazon.com/images/I/515giixvMKL._AC_UF894,1000_QL80_.jpg)
Amazon.com : GW Security Inc 8CHH3 8 Channel HD-SDI DVR with 8 x 2.1 Megapixel 1080P Vari-Focal 2.8 to 12mm Manual Zoom Lens High Definition Camera System (White/Black) : Electronics
![4CH 1080P H.264 HD-SDI DVR Support 4 Channel 1920x1080 2MP VLC SDI Camera Audio Alarm 2x SATA HDD HDMI-compatible VGA CVBS 1U _ - AliExpress Mobile 4CH 1080P H.264 HD-SDI DVR Support 4 Channel 1920x1080 2MP VLC SDI Camera Audio Alarm 2x SATA HDD HDMI-compatible VGA CVBS 1U _ - AliExpress Mobile](https://ae01.alicdn.com/kf/HTB191WDa2b2gK0jSZK9q6yEgFXaU/4CH-1080P-H-264-HD-SDI-DVR-Support-4-Channel-1920x1080-2MP-VLC-SDI-Camera-Audio.jpg)
4CH 1080P H.264 HD-SDI DVR Support 4 Channel 1920x1080 2MP VLC SDI Camera Audio Alarm 2x SATA HDD HDMI-compatible VGA CVBS 1U _ - AliExpress Mobile
![Amazon.com : GW Security Inc 8CHH3 8 Channel HD-SDI DVR with 8 x 2.1 Megapixel 1080P Vari-Focal 2.8 to 12mm Manual Zoom Lens High Definition Camera System (White/Black) : Electronics Amazon.com : GW Security Inc 8CHH3 8 Channel HD-SDI DVR with 8 x 2.1 Megapixel 1080P Vari-Focal 2.8 to 12mm Manual Zoom Lens High Definition Camera System (White/Black) : Electronics](https://m.media-amazon.com/images/I/41W9LZ-fnAL._AC_UF894,1000_QL80_.jpg)
Amazon.com : GW Security Inc 8CHH3 8 Channel HD-SDI DVR with 8 x 2.1 Megapixel 1080P Vari-Focal 2.8 to 12mm Manual Zoom Lens High Definition Camera System (White/Black) : Electronics
![HD-SDI 4 Channel DVR – BNC, 1080P Full HD 1920 x 1080 @ 30FPS Resolution, 2 SATA – www.CCTV.supplies HD-SDI 4 Channel DVR – BNC, 1080P Full HD 1920 x 1080 @ 30FPS Resolution, 2 SATA – www.CCTV.supplies](https://www.cctv.supplies/wp-content/uploads/2021/04/USGDKSDI7104S_p1-copy.jpg)
HD-SDI 4 Channel DVR – BNC, 1080P Full HD 1920 x 1080 @ 30FPS Resolution, 2 SATA – www.CCTV.supplies
![16 Channel 6-Way Hybrid IP | HD-SDI | EX-SDI | AHD | TVI DVR / NVR 4MP EX- SDI / 5MP AHD / 4K EX-SDI 16 Channel 6-Way Hybrid IP | HD-SDI | EX-SDI | AHD | TVI DVR / NVR 4MP EX- SDI / 5MP AHD / 4K EX-SDI](http://www.cctvcore.com/Shared/Images/Product/16-Camera-6-Way-Hybrid-IP-SDI-AHD-TVI-D-NVR/HYBIX16.jpg)
16 Channel 6-Way Hybrid IP | HD-SDI | EX-SDI | AHD | TVI DVR / NVR 4MP EX- SDI / 5MP AHD / 4K EX-SDI
![HD EX-SDI 3R XVR High end DVR system, 32ch dvr 4K Output Dual HDMI auto-detect Supports All HD Cameras (HDD: 1TB) - Walmart.com HD EX-SDI 3R XVR High end DVR system, 32ch dvr 4K Output Dual HDMI auto-detect Supports All HD Cameras (HDD: 1TB) - Walmart.com](https://i5.walmartimages.com/asr/57002dd5-c9fc-4298-8894-d2385cde6310_1.8a862a52d7d18592f1dcf2c65c869616.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
HD EX-SDI 3R XVR High end DVR system, 32ch dvr 4K Output Dual HDMI auto-detect Supports All HD Cameras (HDD: 1TB) - Walmart.com
![Lihmsek High-End H.264 Full Real-time 4CH HD SDI DVR CCTV 1080P HD-SDI DVR Recording Playback Support PTZ control, 2pcs SATA HDD _ - AliExpress Mobile Lihmsek High-End H.264 Full Real-time 4CH HD SDI DVR CCTV 1080P HD-SDI DVR Recording Playback Support PTZ control, 2pcs SATA HDD _ - AliExpress Mobile](https://ae01.alicdn.com/kf/HTB1QlDSNpXXXXXqXXXXq6xXFXXX7/Lihmsek-High-End-H-264-Full-Real-time-4CH-HD-SDI-DVR-CCTV-1080P-HD-SDI.jpg)
Lihmsek High-End H.264 Full Real-time 4CH HD SDI DVR CCTV 1080P HD-SDI DVR Recording Playback Support PTZ control, 2pcs SATA HDD _ - AliExpress Mobile
![HD EX-SDI 3R Hybrid DVR system, 16ch 1080p video and record, auto-detect Analog and EX -SDI, IP (No Hardrive) - Walmart.com HD EX-SDI 3R Hybrid DVR system, 16ch 1080p video and record, auto-detect Analog and EX -SDI, IP (No Hardrive) - Walmart.com](https://i5.walmartimages.com/asr/51edb475-82fa-440b-bc22-da8685707ac8_1.6a02b0d8c2e0182733630fa36e514be0.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)