The Synology HAT3300-4T Plus Series internal hard drive

Offers 4TB of reliable storage with a 3.5" SATA 6Gb/s interface. Running at 5400RPM and equipped with a 256MB cache, it ensures efficient data access and smooth performance. Backed by a 3-year warranty, this drive is a dependable choice for expanding your Synology NAS storage with enhanced stability and long-term support.