Hikvision DS-7732NI-M4 32 Channel Non-PoE 32MP NVR

The Hikvision DS-7732NI-M4 is a 32-channel M-Series NVR with 8K HDMI 1 output — the consumer/small-business tier with premium control-room display support and full 32 MP per-channel recording. 4 × hot-plug SATA bays accept HDDs up to 16 TB each (64 TB raw total), non-PoE (external PoE switch required). H.265+ compression reduces storage by up to 75%. Incoming 320 Mbps / outgoing 400 Mbps.

DecodingWhat is Decoding Capability: 2-ch @ 32 MP simultaneously, 20-ch @ 4 MP, or 40-ch @ 1080p. Dual HDMI (HDMI 1 8K, HDMI 2 4K) + VGA + CVBS — main HDMI 1/VGA simultaneous, HDMI 2/VGA independent for multi-monitor. 16/9 alarm I/O, 1 Gigabit Ethernet + eSATA. OTAP support for solar-powered Hikvision cameras. No on-NVR AI — AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide events run camera-side and are recorded transparently here.

Key Features

• 32-channel IP input, up to 32 MP per channel recording (8-ch limit at 32MP/24MP)
• 4 × hot-plug SATA bays (up to 16 TB each, 64 TB total raw) + 1 × eSATA
• Non-PoE NVR — pair with external Hikvision PoE switch
• HDMI 1 up to 8K @ 30 Hz, HDMI 2 up to 4K, VGA + CVBS — premium display support
• DecodingWhat is Decoding Capability 2-ch @ 32 MP + 2-ch @ 8 MP or 40-ch @ 1080p; 16-ch synchronous playback
• Incoming 320 Mbps / outgoing 400 Mbps bandwidth
• 16 alarm inputs / 9 outputs + 2 × RS-485 + 1 × RS-232
• Stream-over-TLS encryption + double verification for secure playback / download
• OTAP solar-camera support — pulls stream on demand from solar-powered Hikvision cameras
• H.265+ compression saves up to 75% storage; ONVIF + ISAPI + SDK
• 1.5U rack-mounted chassis (445 × 400 × 75 mm), ~5.0 kg without HDD
• Hik-Connect, DDNS, Hik-Central, iVMS-4200 supported; UK CE/UKCA certified

Note: This is a recording-only NVR with no on-NVR AI analytics — AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide events run camera-side via AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide-capable Hikvision cameras and are recorded transparently. For on-NVR AcuSearch / AcuSeekWhat is Hikvision AcuSeek natural-language search, see the iDS-* DeepinMind range (Wave 5a) or the DS-9xxx NXI/VPro AcuSeek range (Wave 5c). For RAID storage redundancy, see the DS-9xxx-NI range (Wave 5b).