Synology HAT3300-4T 4TB Plus Series 3.5" SATA NAS Hard drive / HDD - ST4000VN3300

* Designed for 24/7 operation * Seamless firmware updates through DSM * Fast troubleshooting from Synology * 3.5" SATA 6 Gb/s * Backed by 1 million hours MTBF and 180 TB/year workload rating * Stringent validation and up to 300,000 hours of testing ensure reliability in Synology systems * Conventional magnetic recording (CMR) technology offers consistent performance * 3 years limited hardware warranty by Synology