Synology 12TB HAT3310 Plus Series SATA III 3.5" Internal NAS HDD

Overview

The Synology HAT3310-12T is a 12TB internal hard drive designed specifically for continuous operation within Synology NAS systems. It fits into any standard 3.5-inch bay with a 6 Gb/s SATA interface, providing ample storage for large media libraries, virtual machine images, surveillance footage, or extensive photo collections. With a spindle speed of 7200 rpm and a 512 MB cache, it delivers sustained transfer rates up to 281 MB/s, ensuring smooth performance for multi-user file sharing, backups, and video editing tasks over the network.

Key features

• Designed for 24/7 operation inside Synology NAS units, supporting nonstop data access and storage needs
• 7200 rpm spindle speed combined with a large 512 MB cache to accelerate access to frequently used files and improve overall responsiveness
• Helium-sealed design reduces internal friction, lowering heat generation and power consumption during continuous use
• Conventional magnetic recording technology ensures consistent write performance even as the drive fills up
• Firmware updates are managed directly through Synology DiskStation Manager, simplifying maintenance without removing the drive
• Tested extensively in Synology hardware for over 500,000 hours to guarantee real-world reliability and stability
• Rated for a heavy workload of 180 TB written per year, making it suitable for demanding environments like small business servers and creative studios
• Backed by a three-year limited warranty, providing peace of mind for long-term deployments

Key specs

• Capacity: 12 TB
• Form factor: 3.5-inch
• Interface: SATA III 6 Gb/s
• Spindle speed: 7200 rpm
• Cache size: 512 MB
• Sustained transfer rate: up to 281 MB/s
• Workload rating: 180 TB per year
• Mean time between failures (MTBF): 1.2 million hours
• Helium-filled design for reduced heat and power consumption
• Tested for over 500,000 hours in Synology enclosures

Connectivity and compatibility

This hard drive integrates seamlessly with Synology NAS systems, utilizing the SATA III 6 Gb/s interface common in most 3.5-inch bays. Its firmware is optimized for Synology DiskStation Manager, allowing for direct updates and monitoring without additional hardware. The drive’s design supports RAID configurations and multi-bay setups, making it a flexible choice for expanding existing storage pools or building new ones.

Ideal uses and environments

The HAT3310-12T is well suited to environments that demand reliable, high-capacity storage running continuously. It fits well in small business servers handling heavy file sharing and backups, creative studios managing large video projects, and home labs requiring stable, always-on storage. Its endurance and performance characteristics make it a strong choice for users consolidating multiple external drives or expanding their NAS arrays without sacrificing speed or reliability.