Amazon.com : 4K / 8.0 Megapixel 8-Channel POE NVR Network Video Recorder, Supports up to 8 x 8MP/4K IP Cameras, Max 8 TB Hard Drive (HDD Not Included) (8-Channel 4K/8MP No HDD) : Electronics
Swann 8-Channel, 8-Camera 4K Ultra HD 1TB NVR Security System White SWNVK-88680W8FB-US - Best Buy
Hiseeu H.265+ 4CH 10CH 16CH POE NVR For IP Security Surveillance Camera CCTV System 5MP 8MP 4K Audio Video Recorder Face Detect - AliExpress
8 Channel 4K Bluetooth NVR with 2TB Hard Drive and 8 Wired IP 4K Spotl – Night Owl SP, LLC
EOL: 4K 32CH 2U NVR - Dahua Technology USA Inc
8 Channel 4K PoE IP Camera System 8 Channel 4K NVR and 8 Pcs 5MP PoE B | HINO
16-Camera 16-Channel 4K NVR Security Camera System | Swann
16 Channel 4K IP PoE Security Camera System 16ch 4K NVR and 8 Outdoor | HINO
32 Channel NVR Security Camera System with 24 * 8MP IP Turret 3.6mm Fixed Lens Camera, Face Recognition, Human & Vehicle Detection, Built-in Mic, PoE – GW Security
Amcrest 4K NV5216 (16CH 720P/1080P/3MP/4MP/5MP/6MP/4K/12MP) Network Video Recorder - Supports up to 16 x 4K IP Cameras, Supports up to 2 x 10TB Hard Drives (Not Included) (No PoE Ports Included)
Lorex 4K (16 Camera Capable) 4TB Wired NVR System with Nocturnal 3 Sma
Amazon.com : 4K Ultra HD 32-Channel Security NVR with Lorex Cloud Connectivity and 8TB Hard Drive : Electronics
4K 8CH 1U NVR - Dahua Technology USA Inc
16 Channel 4K NVR with 2 SATA HDD Bays, NDAA Compliant
Amazon.com : Seculink 10-Channel 4K NVR (1080p/3MP/4MP/5MP/8MP) Ultra HD Network Video Recorder Cloud P2P Remote Access Motion Alert (No Built-in WiFi) : Electronics
Amazon.com : 8-Channel Fusion NVR System with 4K (8MP) IP Cameras 4 / White : Electronics
24 Channel PoE 4K NVR with 24 PoE Ports
8MP 4K Turret Business Security System w/ 16 Channel NVR and 3TB Hard
32 Channel NVR Security Camera System with 32 * 5MP IP Bullet 2.8mm Fixed Lens Camera, Human Detection, Built-In Microphone, PoE – GW Security
DS-7608NI-K2/8P(STD) / 8-ch 1U 8 PoE 4K NVR
Lorex Fusion Series N863A64B 16-Channel 4K UHD NVR N863A64B B&H