Amazon.com : Hikvision DS-7732NI-K4/16P 32-Channel (16-Channel PoE) Network Video Recorder - Supports 4K (8-Megapixels), USB Backup, ONVIF, up to 24TB HDD (HDD Not Included), English International Version : Electronics
Hikvision DS-7732NI-I4/24P 32 Channel 32MP NVR, No HDD