Amazon.com: Hikvision DVR 4 Channel - DS-7204HUHI-K1 - Supports up to 5mp Cameras. : Electronics
HIKVISION DVR 4 channels DS-7104HUHI-K1 H.265 Pro+/H.265 Pro/H.265/H.264+/H.264 encoding Self-adaptive HDTVI/HDCVI/AHD/CVBS signal input 1 SATA support HDD Up to 6 TB HDMI output at up to 4K (3840 × 2160) - iTechcsn
HIKVISION 4CH DVR 4 CHANNEL 2TB DS-7204HGHI-F1 Turbo HD 1080P (2TB HARD DISK) | eBay