Product Description
The Toshiba N300 18TB NAS Hard Drive for RAID is 18TB of 3.5" SATA storage built for multi-bay NAS deployments and surveillance storage back-ends.
Key specs
- Capacity: 18TB
- Interface: SATA III, 6 Gb/s
- Form factor: 3.5-inch
- Spindle speed: 7200 RPM
- Series: Toshiba N300 — designed for NAS systems
- Duty cycle: built for 24/7 continuous operation
- Optimisation: tuned for RAID and multi-drive NAS environments
Deployment notes
This drive targets NAS appliances and file servers rather than desktop use. The N300 series is optimised for RAID arrays, which matters when specifying multi-bay enclosures where drive-level stability affects array rebuild and rebalance behaviour.
For surveillance integrators, the 18TB capacity and 24/7 rating make this a candidate for VMS servers and NVR back-ends handling long-retention recording, subject to the specific NVR/NAS unit's own drive compatibility list.
Interface and compatibility
SATA III (6 Gb/s) and the 3.5-inch form factor mean it fits NAS drive bays and server chassis using that interface. Check bay size and interface support for your specific enclosure model with your installer or the manufacturer's datasheet before ordering.
Cache and throughput
The drive includes a large cache buffer to support data throughput, relevant when sizing drives for RAID rebuild times or sustained write workloads in busy multi-bay setups.
Specifications
- Brand
- Toshiba
- Capacity
- 18TB
- Connector Type
- SATA
Technical Specifications
Frequently Asked Questions
What interface does this drive use?
SATA III at 6 Gb/s, in a 3.5-inch form factor.
Is it rated for continuous operation?
Yes, the N300 series is designed for 24/7 continuous operation.
Is it suitable for RAID arrays?
Yes, it's optimised for RAID and multi-bay NAS environments.
What is the spindle speed?
7200 RPM.










