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Questions & Answers

FAQ

What makes the Enterprise Series SAT5221 SSD suitable for intensive workloads?

The SAT5221 SSD is designed for 24/7 mixed and intensive workloads, offering high endurance up to 10,000 TBW and stable I/O performance, which makes it ideal for demanding environments like OLTP databases and virtualization deployments.

How does the power loss protection feature work in the SAT5221 SSD?

The power loss protection feature includes dedicated capacitors that provide enough power to flush data-in-flight into NAND flash during a power loss event, preventing data corruption.

Can the SAT5221 SSD be integrated with Synology DiskStation Manager?

Yes, the SAT5221 SSD fully integrates with Synology DiskStation Manager, offering lifetime analytics based on actual workloads and automatic firmware updates for easy maintenance.

What measures are taken to ensure the reliability of the SAT5221 SSD?

The SAT5221 SSD undergoes extensive validation, including intensive I/O stress, power cycling, and temperature trials, to meet Synology's highest standards for quality and reliability.

Does the SAT5221 SSD provide data protection features?

Yes, the SAT5221 SSD features end-to-end data protection, ensuring data integrity and consistency throughout the entire data transfer path.

Reviews about this item

Review Summary

2026-01-02T05:06:57

Rated 5 out of 5

Great drive for small business NAS

Love the Synology system - straight forward, dependable and fast. Love the customization of their storage management. Using this drive in particular with my small business NAS.

TANNER G.

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Synology Enterprise Series SAT5221 Specifications

General

General

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  • Capacity

    1.92TB

  • Form Factor

    2.5" 7mm

  • Interface

    SATA 6 Gb/s

Performance

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  • Sustained Sequential Read

    500 MB/s (128 KB, QD32)

  • Sustained Sequential Write

    500 MB/s (128 KB, QD32)

  • Sustained Random Read

    90,000 IOPS (4KB, QD32)

  • Sustained Random Write

    30,000 IOPS (4KB, QD32)

Endurance and Reliability

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  • Terabytes Written (TBW)

    >3,500TB

  • Mean Time Between Failures (MTBF)

    1,500,000 hours

  • Uncorrectable Bit Error Rates (UBER)

    <1 sector per 1017 bits read

  • Power Loss Protection

    Yes

Power Consumption

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  • Supply voltage

    5 V ( +/- 5%)

  • Active Read (Typ.)

    4.5W

  • Active Write (Typ.)

    5W

  • Idle

    1.2 W

Temperature

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  • Operating Temperature

    32 Degree F to 158 Degree F (0 Degree C to 70 Degree C)

  • Storage Temperature

    -40 Degree F to 185 Degree F (-40 Degree C to 85 Degree C)

Certification

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  • Certification

    FCC, CE, EAC, BSMI, VCCI, KC, RoHS, UKCA

Physical

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  • Dimensions (H x W x D)

    0.28 x 2.75 x 3.94" (7 x 69.85 x 100mm)

About Synology Enterprise Series SAT5221

FEATURED REVIEWS

Great drive for small business NAS

By TANNER G.

Love the Synology system - straight forward, dependable and fast. Love the customization of their storage management. Using this drive in particular with my small business NAS.

For businesses seeking robust and reliable storage solutions, the Enterprise Series SAT5221 1.92TB 2.5" SATA III Internal SSD from Synology offers exceptional performance and endurance. Designed specifically for enterprise environments, these solid-state drives deliver stable I/O performance, significantly reducing latency for critical services and applications. Built to handle mixed and intensive 24/7 workloads, the SAT5221 SSDs ensure a streamlined storage experience on Synology systems, minimizing service disruptions.

Engineered for demanding environments such as online transaction processing (OLTP) databases and virtualization deployments, the Synology SAT5200 Series drives provide consistently high performance. With enterprise-grade endurance, these SSDs can withstand up to 10,000 terabytes written (TBW), making them ideal for continuous, intensive workloads.

The SAT5221 SSDs feature end-to-end data protection, ensuring data integrity and consistency throughout the entire data transfer path. The power loss protection circuit design, equipped with dedicated capacitors, safeguards data by flushing data-in-flight into NAND flash during power loss events, preventing data corruption.

Full integration with Synology DiskStation Manager (DSM) allows for comprehensive lifetime analytics based on actual workloads for each SAT5200 Series drive. Users receive timely notifications, enabling proactive planning for uninterrupted system performance and longevity. Easy monitoring facilitates optimal use of each SSD, while automatic firmware update notifications and one-click installation through DSM minimize maintenance workload and reduce the risk of oversights.

Purpose-built for Synology systems, the SAT5200 Series SSDs undergo thorough validation following each engineering change. Firmware and component changes are strictly managed, and intensive I/O stress, power cycling, and temperature trials ensure that all products meet Synology's highest standards for quality and reliability.

Synology Enterprise Series SAT5221 Features

  • Performance: Up to 67,000 4K random write IOPS
  • Endurance: Up to 10,000 TBW for 24/7 enterprise workloads
  • Analytics: Actionable insight for optimal performance and longevity
  • Updates: One-click drive firmware updates through DSM

Warranty Information

This product has a limited warranty of 60 months.

Key Features

  • Boost server performance with this Synology 1.92TB SATA III Internal SSD, ensuring rapid data access.
  • Experience reliable storage with >3,500TB TBW endurance, perfect for demanding enterprise workloads.
  • Enjoy 500 MB/s sustained read/write speeds on this 2.5" SSD, ideal for quick file transfers and system boots.
  • Ensure data integrity with power loss protection, preventing data corruption during unexpected outages.
  • Rely on a 1,500,000-hour MTBF, minimizing downtime and maximizing your Synology SSD's lifespan.
  • Upgrade your system with this enterprise-grade 1.92TB SSD, designed for consistent, high performance.

What's in the box:

  • Synology Enterprise Series SAT5221 1.92TB 2.5" SATA III Internal SSD
  • Synology 5 Year Limited Warranty