Toshiba S300 Surveillance 2TB Hard Drive, 3.5" SATA, 5400 rpm/ 5700rpm, Up to 256 MB buffer, 24/7 operation, Dynamic Cache Technology, 3-year warranty | HDWT840UZSVA

The Seagate IronWolf 2TB (ST2000VN003) is designed to thrive where standard desktop drives fail. While consumer-grade drives are built for intermittent use, the IronWolf series is rigorously tested for the thermal and mechanical stresses of an "always-on" NAS environment. Whether you are centralizing your family photos or running a small office file server, the ST2000VN003 ensures your data is safe and always available for streaming or sharing.

Performance: AgileArray and Large 256MB Cache
What sets the ST2000VN003 apart from earlier 2TB models is its massive 256MB cache, which significantly improves file access speeds and system responsiveness. Combined with AgileArray™ technology, the drive is optimized for RAID configurations. This firmware focuses on drive balancing, RAID error recovery control, and power management, ensuring that your NAS remains agile even during heavy data traffic or multi-user access.