The Synology Plus Series 4TB HDD (Model HAT3300-4T) is a high-reliability internal hard drive optimized specifically for Synology NAS systems in home and small office environments. This 3.5-inch SATA drive features a 5400 RPM rotational speed and 100% Conventional Magnetic Recording (CMR) technology, ensuring stable and consistent write performance throughout its lifecycle.

Engineered for continuous 24/7 operation, the drive is subjected to rigorous testing protocols including over 500,000 hours of cumulative stress testing, guaranteeing high durability and reliability for NAS workloads. It boasts firmware and system-level optimizations that enhance sequential read speeds and accelerate RAID repair processes compared to similar third-party drives.

Key highlights include a maximum sustained data transfer rate of up to 202 MB/s, firmware upgradability through Synology's DiskStation Manager (DSM), and a comprehensive 3-year limited warranty, providing peace of mind for critical data storage needs.

Ideal for use in Synology NAS units, this drive offers seamless compatibility and superior performance, making it an excellent choice for users seeking to expand their storage capacity with a proven, NAS-optimized solution.

Key Features:

• 4 TB large capacity for extensive data storage


• 3.5-inch SATA 6 Gb/s interface for broad compatibility


• 5400 RPM rotational speed optimized for quiet, power-efficient NAS operation


• 100% CMR recording technology for reliable consistent writes


• Designed and stress-tested for continuous 24/7 NAS usage


• Firmware updates via Synology DSM enhance performance and reliability


• 3-year limited warranty ensures long-term support and confidence