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Synology

Synology HAT3300-4T 4TB 3.5" SATA III 5400 RPM NAS HDD - 256MB Cache

SKU 15661 Brand Synology EAN13 4711174725120
Synology HAT3300-4T 4TB NAS HDD with 3.5" SATA III interface, 5400 RPM, 256MB cache, and 202 MB/s transfer rate. Engineered for 24/7 NAS operation with 1 million hour MTBF and 180TB annual workload rating.
Storage (SSD & HDD) - Device Type Internal HDD
Storage (SSD & HDD) - Capacity 4TB
Storage (SSD & HDD) - RPM (HDD) 5400 RPM
Storage (SSD & HDD) - Interface SATA III
Storage (SSD & HDD) - Cache (HDD) 256MB
Storage (SSD & HDD) - Form Factor 3.5 inch

The Synology HAT3300-4T is a purpose-built 4TB NAS hard drive designed for reliable 24/7 operation in small and medium-sized business storage systems. Featuring a 3.5-inch form factor with SATA III 6 Gb/s interface, this drive delivers consistent performance with a sustained transfer rate of up to 202 MB/s and 256MB cache buffer. The HAT3300 Plus series utilizes 100% conventional magnetic recording (CMR) technology to ensure stable write performance throughout its operational lifespan.

Built for endurance and reliability, the HAT3300-4T has undergone over 300,000 hours of compatibility and stress testing to ensure smooth operation under multi-user workloads. With a Mean Time Between Failures (MTBF) rating of 1 million hours and an annual workload rating of 180TB, this drive is rated up to three times more durable than conventional desktop hard drives. The drive operates at 5400 RPM and includes seamless firmware update capabilities through Synology DSM, eliminating the need for disk removal during maintenance.

Key Features:

  • 4TB storage capacity optimized for NAS environments
  • SATA III 6 Gb/s interface with 202 MB/s sustained transfer rate
  • 256MB cache for improved performance
  • 5400 RPM spindle speed for balanced performance and power efficiency
  • 1 million hour MTBF rating with 180TB annual workload capacity
  • 3-year limited warranty on parts and labor
  • Operating temperature range: 0-65°C
  • Designed for 24/7 continuous operation in NAS systems

 

Storage Capacity4TB
Form Factor3.5 inch
InterfaceSATA III 6 Gb/s
Rotational Speed5400 RPM
Cache256MB
Sustained Transfer Rate202 MB/s
Recording TechnologyCMR (Conventional Magnetic Recording)
Mean Time Between Failures (MTBF)1 million hours
Annual Workload Rating180TB
Sector Size512e
Power Consumption (Idle)3.96W
Power Consumption (Active)4.85W
Operating Temperature0°C to 65°C
Storage Temperature-40°C to 70°C
Noise Level (Active)27.0 dB
Noise Level (Idle)23.0 dB
Load/Unload Cycles600,000
Warranty3 years limited (parts and labor)
Manufacturer Part Number (MPN)HAT3300-4T
UPC846504005123
Design TypeAir Sealed