Synology NAS Hard Drive 4TB 256MB 5400RPM 3.5-inch SATA HDD HAT3300 NAS Dedicated Hard Drive All-Day Operation Firmware Auto-Update

Continuous read/write speed up to 240 MiB/s (based on Synology lab testing with HAT300-12T model)

Optimized for 24/7 operation and multi-user environments

Supports simultaneous multi-user read/write access

Designed specifically for Synology NAS systems running DSM firmware

Tested under rigorous Synology real-world stress tests with over 500,000 cumulative test hours

Average workload rating and MTBF are statistical estimates and may vary in actual use

Supports stable and consistent performance for home and small to medium business storage needs

Automatic DSM firmware updates for enhanced performance and compatibility

Deep optimization for continuous operation and data security

Suitable for multi-user environments with high workload demands

1. Performance data obtained under Synology laboratory conditions; actual results may vary depending on usage and environment.

2. Storage capacity is calculated using decimal system (1TB = 1000GB), actual usable capacity may differ due to formatting and system overhead.

3. MTBF is an estimate based on statistical analysis and does not guarantee product lifespan.

4. Workload rating defines the amount of data written, read, or verified by the host system annually.

For detailed compatibility list of HAT3300 series, please visit Synology official website: https://y.to/jdhat300