HDD Toshiba N300 12 TB 3.5 inch Serial ATA III

The Toshiba N300 12 TB 3.5" Serial ATA III internal hard drive provides high-capacity storage and continuous 24/7 operation for NAS and other multi-drive environments. With a 7200 RPM spindle speed and a 512 MB buffer, this 3.5" HDD is designed for reliable data storage, streaming, backup and multi-user access in home office, small business and creative settings. The drive supports multi-RAID systems with up to eight drives and includes a three-year warranty.

Advantages

The N300 delivers sustained performance for always-on NAS use, combining a large 12 TB capacity with high rotational speed and a substantial cache to handle heavy read/write loads. Integrated rotational vibration (RV) sensors and advanced control technology reduce vibration effects in multi-bay systems, while high-endurance components and seek-speed adjustment improve durability and heat management. Helium-sealed models lower power consumption and acoustic output, and Dynamic Cache Technology optimizes buffer allocation for real-time performance.

Suitable for

• Network Attached Storage (NAS) systems for home, SOHO and small business
• Multi-bay RAID arrays and desktop RAID servers (up to 8 drives)
• Multimedia and streaming servers
• Private cloud and backup storage
• Creative workstations handling large data volumes

Key specifications

• Brand: Toshiba
• Model / MPN: HDWG51CUZSVA
• Capacity: 12 TB (12000 GB)
• Form factor: 3.5"
• Interface: Serial ATA III
• Rotational speed: 7200 RPM
• Cache: 512 MB
• Workload rating: up to 180 TB/year
• Weight: 0.72 kg
• EAN: 4260557512920
• Warranty: 3 years

How to use

Install the Toshiba N300 3.5" HDD into a compatible SATA III bay following your NAS or server manufacturer’s instructions. Ensure the drive is properly seated in the bay and secured to minimise vibration. Configure the drive within your NAS or RAID controller, then initialise and format it according to the intended file system and redundancy level. For multi-drive arrays, verify RAID health and perform initial parity or synchronization as required.

Recommendations

For best results, operate the N300 in a well-ventilated NAS or server chassis with stable mounting and proper airflow. Use drives of the same series and similar capacity when building RAID arrays, monitor SMART status regularly, and follow manufacturer guidelines for firmware and compatibility. These practices help maintain continuous 24/7 reliability and extend drive lifetime.