Synology HAT5300-12T 12TB Enterprise SATA Hard Drive for NAS

The Synology HAT5300-12T is a purpose-built 12TB 3.5 inch enterprise SATA hard drive engineered for Synology NAS systems, delivering sustained data transfer speeds up to 274 MB/s and validated through over 300,000 hours of in-house stress testing for around-the-clock reliability.

Ideal for businesses, IT professionals, and power users building high-density NAS storage arrays, this drive is the go-to choice for enterprise NAS expansion, multi-user data archiving, and always-on surveillance or backup workloads where consistent sequential performance and long-term endurance are non-negotiable.

Backed by Synology's 5-year limited warranty and a 2.5 million hour MTTF rating, the HAT5300 series benefits from deep DSM integration including automatic firmware updates, ensuring maximum compatibility and ongoing performance improvements within the Synology ecosystem.

Key Features of the Synology HAT5300-12T

• Up to 274 MB/s Sustained Transfer: Class-leading sequential throughput keeps large-file workflows and multi-user environments running without bottlenecks.
• 23% Faster Sequential Read in Synology NAS: Deep DSM integration and drive-level tuning deliver measurably higher read performance compared to generic drives in Synology enclosures.
• 2.5 Million Hour MTTF Rating: Enterprise-grade mean time to failure ensures the drive can sustain heavy 24/7 workloads without compromising uptime.
• 550 TB/Year Workload Rating: Engineered for intensive write cycles well beyond desktop-class limits, suitable for demanding backup, archive, and surveillance tasks.
• Automatic Firmware Updates via DSM: Synology's DiskStation Manager delivers drive firmware updates automatically, eliminating manual maintenance overhead.
• 300,000+ Hours of Validation Testing: Each HAT5300 drive is stress-tested with Synology hardware to ensure compatibility and resilience across the full product lineup.
• 5-Year Limited Warranty: Synology stands behind the HAT5300 series with an industry-leading 5-year warranty, providing long-term peace of mind for business deployments.

Technical Specifications

• Capacity: 12 TB
• Form Factor: 3.5 inch
• Interface: SATA 6 Gb/s
• Sector Size: 512e
• Rotational Speed: 7,200 RPM
• Sustained Transfer Rate: Up to 274 MB/s
• Mean Time to Failure (MTTF): 2.5 million hours
• Workload Rating: 550 TB transferred per year
• Supply Voltage: 12 V (+/- 10%) / 5 V (+10/-7%)
• Active Idle Power Consumption: 4.25 W (typical)
• Random Read/Write Power (4KB Q1): 7.83 W (typical)
• Operating Temperature: 5 degrees C to 60 degrees C (41 degrees F to 140 degrees F)
• Non-Operating Temperature: -40 degrees C to 70 degrees C (-40 degrees F to 158 degrees F)
• Operating Shock: 686 m/s squared (70 G), 2 ms duration
• Non-Operating Shock: 2,450 m/s squared (250 G), 2 ms duration
• Operating Vibration: 7.35 m/s squared (0.75 G) at 5-300 Hz; 2.45 m/s squared (0.25 G) at 300-500 Hz
• UPC: 846504004133