Hikvision iDS-7332HUHI-M4/S 32 Channel 3K/8MP Lite AcuSense Ultra DVR

The Hikvision iDS-7332HUHI-M4/S is a 32-channel Ultra Series AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide DVR — the 4-HDD-bay enterprise tier with on-recorder human/vehicle classification on up to 16 channels. 5-in-1 hybrid (HD-TVI/AHD/HDCVI/CVBS/IP), up to 8 MP (3K Lite) per channel, 4 × SATA bays (up to 40 TB raw), H.265 Pro+ compression, 4K HDMI + VGA output, 1 Gigabit Ethernet.

On-DVR AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide filters false alarms from animals, foliage and weather across Perimeter Protection, Line Crossing, Intrusion and Region Entrance/Exit events. Adds up to 16 IP channels via re-allocation (32 MP bandwidth ceiling for HQHI, higher for HUHI). 16 alarm inputs / 4 alarm outputs, 1 × RS-485, 1 × RS-232.

Key Features

• 32-channel BNC analogue input — HD-TVI / AHD / HDCVI / CVBS (5-in-1 hybrid)
• Up to 8 MP (3K Lite) HD-TVI per channel
• Up to 16-channel on-DVR AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide human/vehicle classification
• 4 × SATA 3.5″ HDD bays, up to 10 TB each (40 TB raw)
• H.265 Pro+ / H.265 / H.264+ / H.264 compression
• Dual output: 1 × HDMI (4K @ 30 Hz) + 1 × VGA (1080p @ 60 Hz)
• 1 × RJ-45 Gigabit Ethernet
• 16 alarm inputs / 4 alarm outputs, 1 × RS-485 + 1 × RS-232
• 1.5U rack-mounted chassis 445 × 400 × 75 mm, ≤ 5 kg without HDD
• 100-240 VAC PSU; ONVIF + Hik-Connect P2P + Hik-Central + iVMS-4200

Note: Ultra Series DVRs offer the largest storage capacity in Hikvision's DVR range (4 × 10 TB raw). For sites that need on-DVR AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide + maximum recording duration. For 2-HDD chassis, see the iDS-72xx M2 variants; for single-HDD compact installs, the iDS-72xx M1 chassis.