Synology 12TB HAT5300 Enterprise HDD Synology HAT5300-12T 12TB Enterprise 3.5" SATA III HDD Drive Condition for Buyers:
This is a new drive, plugged in to a Synology station to collect and verify operability in a Synology RackStation. Product Overview

The Synology HAT5300-12T is an enterprise-class 12TB hard drive engineered specifically for Synology storage systems. Designed to handle demanding, 24/7 multi-user workloads, it delivers class-leading performance, seamless DSM integration, and maximum uptime for business-critical data environments.

Key Selling Points:

• Optimized for Synology: Custom firmware delivers up to 23% faster sequential read performance inside Synology NAS environments compared to standard enterprise drives.
• Seamless Updates: Update drive firmware directly through Synology DiskStation Manager (DSM)—no separate tools required.
• Enterprise Reliability: Built with Conventional Magnetic Recording (CMR) technology for consistent, predictable data handling.

Technical Specifications Model Number HAT5300-12T Capacity 12 TB Form Factor 3.5-inch Interface SATA III 6 Gb/s Rotational Speed 7,200 RPM Buffer / Cache Size 256 MB Max. Sustained Transfer Speed Up to 281 MB/s Recording Technology CMR (Conventional Magnetic Recording) Workload Rating 550 TB per year Mean Time To Failure (MTTF) 2.5 Million Hours Features Persistent Write Cache, 24x7 Enterprise Duty Cycle Collected comprehensive S.M.A.R.T. Health Data

This drive features flawless health data diagnostics. All critical attributes are perfect for long-term dependability.

ID Attribute Name Value Worst Threshold Raw Data 1Read_Error_Rate1001000500 2Throughput_Performance1001000500 3Spin-up_Time1001000017243 4Start/Stop_Count1001000007 5Reallocated_Sector_Count1001000100 7Seek_Error_Rate1001000500 8Seek_Time_Performance1001000500 9Power-on_Hours_Count10010000067 10Spin_Retry_Count1001000300 12Drive_Power_Cycle_Count1001000007 23He_Condition_[Lower]1001000750 24He_Condition_[Upper]1001000750 191Shock_Sense_Count1001000000 192Power-off_Retract_Count1001000006 193Load_Cycle_Count1001000007 194Temperature10010000030 (°C) 196Re-allocated_Sector_Count1001000000 197Current_Pending_Sector1001000000 199CRC_Error_Count2002000000 220Disk_Shift100100000262144 222Loaded_Hours10010000067 223Load_Retry_Count1001000000 224Load_Friction1001000000 226Load_in_Time100100000593 240Write_Head1001000010 Shipping & Handling Policies

• Secure Packaging: Ships enclosed in an anti-static ESD bag enclossed by a protected HD clamshell. .
• Prompt Dispatch: Packaged and shipped after payment is made.