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Silver 2.5 inch SATA SSD with black label

Synology Inc.

Synology SAT5221 1920 GB 2.5" SATA internal SSD

SKU CH-CQR6-JQ9Q7

A 2.5-inch SATA solid-state drive with 1920 GB capacity, up to 60000 4K random write IOPS and 8533 TBW endurance for business workloads

  • Sequential write speed1,000 MB/s - 1,953 MB/s
  • Form factor2.5 in (6.35 cm)
  • Product typeSolid State Drive
  • Intended useBusiness
  • Connection protocolSATA
  • ConnectionSATA
  • 1920 GB capacity stores large workloads
  • up to 1953 MB/s sequential write speeds data fast
  • 60000 4K random write IOPS handles demanding I/O
  • 8533 TBW endurance supports intensive mixed workloads
  • end-to-end data protection and power failure protection prevent corruption

Synology SAT5221 SATA SSD

The Synology SAT5221 is a 2.5-inch SATA solid state drive built for business workloads. It delivers 1920 GB of capacity and sequential write speeds between 1000 MB/s and 1953 MB/s. The drive targets intensive and mixed storage tasks with enterprise-grade endurance. It is designed for use in desktop and laptop systems.

SATA 2.5-inch drive integration

The drive uses a standard SATA connector and fits any 2.5-inch bay in desktops or laptops. It requires a SATA data cable and a SATA power connection from the host system. End-to-end data protection and power failure protection guard against corruption during unexpected outages. Proven interoperability with Synology DSM enables automatic firmware updates without extra tools.

Thermals noise and power

With no moving parts the SSD runs silently in normal operation. The lightweight design at 0.09 kilograms adds minimal mass to a build. Low power draw keeps system thermals manageable during sustained writes up to 60000 4K random write IOPS. Lifetime analytics in DSM give visibility on remaining endurance up to 8533 TBW.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $1,649.99
Pricier than about 91% of the 1,994 comparable items (median $180.49).
Sequential write speed 1,000 MB/s - 1,953 MB/s
Lower than about 56% of the 1,184 comparable items (median 1,700 MB/s).

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Specifications

Product
Brand nameSynology
Model nameSAT5221
Part numberSAT5221-1920G
Product typeSolid State Drive
Intended useBusiness
Performance
Sequential write speed1,000 MB/s - 1,953 MB/s
Connectivity
Connection protocolSATA
Ports & slots
ConnectionSATA
Size & build
Form factor2.5 in (6.35 cm)
Overall height15.0 in x 1.5 in x 11.5 in
Overall width15.0 in x 1.5 in x 11.5 in
Product depth15.0 in x 1.5 in x 11.5 in
Product weight0.09 kg
In the box
Included itemsSAT5221-1920G

Questions about this item

What is the maximum endurance rating before the drive reaches its write limit?

The drive is rated for up to 8533 TBW, suitable for intensive and mixed storage workloads.

What power draw and thermal output should be expected during continuous operation?

The SATA interface typically limits power to around 5 W for a 2.5-inch SSD, so heat and noise stay low in all-day use.

Which host interface must the system provide for this drive to function?

A standard SATA data and power connector is required; the drive uses the SATA protocol and 2.5-inch form factor.

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