Ubiquiti UACC-HDD-S-4TB 4TB SATA Hard Drive
Overview
The UACC-HDD-S-4TB is a 4TB 3.5-inch SATA hard drive engineered for UniFi Protect NVR systems and Ubiquiti cloud gateway deployments. Running at 5400 RPM with SATA 6 Gb/s interface, it delivers the throughput and reliability needed for continuous multi-camera recording without becoming a storage bottleneck. The 1,000,000-hour MTBF and 180 TB/year workload rating mean this drive is built for 24/7 surveillance duty—not consumer-grade repurposed hardware. For small to medium surveillance sites (typically 4–8 camera systems on a single appliance), 4TB strikes the balance between capacity and cost per gigabyte. NDAA-compliant with CE, FCC, and IC certifications, making it suitable for federal and regulated deployments.
Compatibility
The UACC-HDD-S-4TB integrates directly into Ubiquiti UniFi Protect NVR appliances and compatible SATA-based storage enclosures. Confirm your specific NVR model supports 3.5-inch drives and SATA 6 Gb/s before ordering—some compact Protect models may require 2.5-inch form factors. The drive works with any standard SATA bay; no special controller or firmware is required. Operates within the industrial temperature range of 0–65°C (32–149°F), suitable for climate-controlled server rooms and equipment closets but not outdoor or unheated environments.
Installation Notes
Power input is 5V/12V dual-rail, consistent with standard HDD power connectors. Typical installation involves hot-swap capability depending on NVR enclosure design—some appliances require power-down before drive removal. Operating humidity tolerance is 5–95% noncondensing; moisture condensation will cause immediate failure. Install in a clean, dust-controlled environment. Dimensions are 147 × 101.6 × 26.1 mm (5.75 × 4 × 1 inch) with weight of 1.3 lb—verify rack shelf or bay clearance before installation.
