- Reliable hard drives purpose-built for Synology systems in home and small office environments. The Synology advantage Durability - Designed for 24/7 operation Updates - Seamless firmware updates through DSM One-stop support - One-stop supportFast troubleshooting from Synology Superior dependability - Using 100% conventional magnetic recording (CMR) technology, Plus Series disk drives ensure consistent write performance throughout their lifespans. Easy firmware updates - Firmware updates can be performed directly through DSM, ensuring drives benefit from the latest patches while eliminating the need for disk removal. Comprehensive testing - Synology Plus Series drives are subjected to thorough compatibility and stress testing to ensure smooth 24/7 operation under multi-user workloads. 3-year warranty - At Synology, we are committed to delivering innovative and high-quality products. The Plus Series drives come with a 3-year limited warranty that includes top-notch technical support and hardware replacement services. Specifications General - Capacity: 4 TB - Form Factor: 3.5" - Interface: SATA 6 Gb/s Performance • Rotational Speed: 5,400 rpm • Maximum Sustained Data Transfer Speed (Typ.): 202 MB/s Reliability - Warranty: 3 Years - Notes • The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) Power Consumption • Active Idle (Typ.): 3.96 W • Random Read / Write (4KB Q1) (Typ.): 4.85 W - Notes • Power consumption may differ according to configurations and platforms. Temperature • Operating: 0°C to 65°C (32°F to 149°F) • Non-operating: -40°C to 70°C (-40°F to 158°F)