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Silver 2.5 inch SATA internal SSD with black label

Synology Inc.

Synology Inc. 846504006168 1.92 TB 2.5" SATA internal SSD

SKU CH-PXPK-AD1TD MPN 846504006168

1.92 TB 2.5 inch SATA internal SSD with DRAM cache for Synology systems

  • CacheDRAM
  • 92 TB capacity stores large workloads
  • SATA 600 interface delivers consistent throughput
  • DRAM cache sustains write performance
  • 5 inch form factor fits standard drive bays

1.92 TB SATA SSD for Synology systems

This 2.5 inch internal solid state drive provides 1.92 TB of storage over a SATA 600 interface. It is built for Synology NAS and server platforms that require a 2.5 inch SATA drive. The drive includes a DRAM cache for sustained write performance.

SAT5221-1920G model with DRAM cache

The specific model is SAT5221-1920G and it uses a DRAM cache rather than a DRAM-less design. This cache helps maintain consistent throughput under mixed workloads. Verify that your Synology unit accepts a 2.5 inch SATA drive before purchase.

Highlights

  • 92 TB capacity stores large workloads
  • SATA 600 interface delivers consistent throughput
  • DRAM cache sustains write performance
  • 5 inch form factor fits standard drive bays

Specifications

BrandSynology
CacheDRAM
Shipping weight0.45 kg
Package size25 × 25 × 25 mm

Questions about this item

How does the 1.92 TB capacity translate to usable space inside a NAS or server?

The drive reports 1.92 TB; the operating system will show slightly less after formatting and any reserved space for over-provisioning.

What does the SATA 600 interface mean for real-world transfer limits?

The SATA 600 interface sets a theoretical maximum of 6 Gb/s, which limits sequential throughput to the SATA bus ceiling.

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