Synology 1.92TB SAT5221 SATA III 2.5″ Internal SSD – SAT5221-1920G
Description
The Synology SAT5221-1920G is an enterprise-grade 2.5″ SATA SSD optimized for Synology NAS systems and mission-critical workloads. With a 1.92 TB capacity, SATA 6 Gb/s interface, and 7 mm slim form factor, it delivers consistent, low-latency performance and seamless integration within DiskStation Manager environments.
Performance Specifications
| Metric | Specification |
|---|---|
| Sequential Read (128 KB, QD32) | 500 MB/s |
| Sequential Write (128 KB, QD32) | 500 MB/s |
| Random Read (4 KB, QD32) | 90,000 IOPS |
| Random Write (4 KB, QD32) | 30,000 IOPS |
Endurance & Reliability
| Attribute | Specification |
|---|---|
| Endurance (TBW) | 3,500 TB written |
| MTBF | 1.5 million hours |
| UBER | <1 sector per 10^17 bits read |
| Power Loss Protection | Dedicated capacitors flush in-flight data |
| Warranty | 5 years (or until TBW is reached) |
Built for 24/7 operation, the SAT5221 features enterprise-grade endurance, power-loss protection circuitry to prevent data corruption, and end-to-end data integrity safeguards.
Power & Thermal
| Condition | Power Consumption | Notes |
|---|---|---|
| Active Read (Typ.) | 4.5 W | |
| Active Write (Typ.) | 5 W | |
| Idle | 1.2 W | Power may vary by system configuration |
| Operating Temp. | 0 °C to 70 °C | |
| Storage Temp. | –40 °C to 85 °C |
Thermal characteristics support a wide operating range, making the drive suitable for dense, high-performance deployments.
Physical & Compatibility
| Attribute | Specification |
|---|---|
| Form Factor | 2.5″ × 7 mm |
| Interface | SATA III 6 Gb/s |
| Compatible Hosts | SAT5210, SAT5221, SAT5222, SAT5230 series |
Tested and validated across Synology enterprise SSD lines to ensure plug-and-play compatibility and full warranty coverage.
Key Features
- Designed for Synology NAS: Seamless integration with DiskStation Manager
- Stable Performance: Consistent 500 MB/s sequential and high random I/O
- Enterprise Endurance: 3,500 TBW rating and 1.5 million-hour MTBF
- Data Protection: Power-loss protection and end-to-end data integrity
- Energy Efficient: Low idle power (1.2 W) prolongs SSD lifespan
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