NUUO MINI NVR NV-2040 SURVEILLANCE 4 CHANNEL VIDEO RECORDER T5-B11 | eBay
Amazon.com : Eversecu 4ch Mini CCTV Video Recorder, Hybrid DVR/NVR Support 1080P AHD/HD-TVI/HD-CVI/CVBS and IP Cameras, Support E-Sata HDD/SD Card for recording, With Remote view App and PC software : Electronics
ELITE 8 Ch 4K PoE Mini NVR - NVR-ELE8-PSV2
Mini NVR2 - 4/9/16 Channel NVR 1080P 3MP 5MP
HiWatch by Hikvision NVR-104-A-4P 4 Channel 2MP Mini NVR with 4 PoE Ports | eBay