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Silver 2.5 inch SATA SSD with black label

SanDisk

SanDisk WDS400T2R0A-68CKB0 4TB internal SSD

SKU CH-EHS9-NK7K0 MPN WDS400T2R0A-68CKB0

A 4 TB SATA internal SSD built for NAS caching with up to 560 MB/s read and 520 MB/s write speeds

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form Factor2.5"
  • Capacity4TB
  • InterfaceSATA
  • ProtocolSATA

Options 4TB

  • Designed for NAS caching to accelerate frequent file access
  • Sustains heavy write workloads with 2500 TBW endurance rating
  • Delivers responsive performance at up to 560 MB/s sequential read
  • Handles multi-user database tasks with 87,000 IOPS random read
  • Fits standard 2.5-inch bays using the SATA interface

4TB SATA SSD for NAS caching

This 4TB SanDisk drive uses a SATA 6 Gb/s interface in a 2.5-inch 7mm form factor. It is built for NAS caching to accelerate access to frequently used files and to improve responsiveness in multi-user workloads such as OLTP databases and photo rendering. Sequential reads reach up to 560 MB/s and writes up to 520 MB/s. Endurance is rated at 2500 TBW with an MTTF of 2,000,000 hours.

Before ordering check SATA port and bay

Verify that your NAS or server has a free SATA III 6 Gb/s port and a 2.5-inch drive bay that accepts a 7mm z-height. The drive operates from 0 °C to 70 °C and can be stored between -55 °C and 85 °C. It withstands shock of 1,500 G at 0.5 msec half sine. Confirm your system can provide sufficient airflow within those temperature limits.

No bundled accessories or software

The package contains the bare drive only; no mounting brackets, cables or cloning utilities are included. You must supply any required SATA data and power cables as well as any drive tray or adapter your chassis needs. The high TBW rating and 87,000 random read IOPS are inherent to the NAND and controller, not to any add-on software.

Pontos fortes

  • Designed for NAS caching to accelerate frequent file access
  • Sustains heavy write workloads with 2500 TBW endurance rating
  • Delivers responsive performance at up to 560 MB/s sequential read
  • Handles multi-user database tasks with 87,000 IOPS random read
  • Fits standard 2.5-inch bays using the SATA interface

Especificações

BrandWestern Digital
SeriesRed SA500
ModelWDS400T2R0A
Part NumberWDS400T2R0A
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form Factor2.5"
Capacity4TB
InterfaceSATA
ProtocolSATA
Max Sequential ReadUp to 560 MBps
Max Sequential WriteUp to 520 MBps
4KB Random ReadUp to 87,000 IOPS
4KB Random WriteUp to 83,000 IOPS
Terabytes Written (TBW)2500TB
MTTFUp to 2,000,000 hours
FeaturesEndurance of up to 2500TBW
Ideal for caching in NAS systems to rapidly access your most frequently used files
Reduces latency and improves responsiveness for OLTP databases, multi-user environments, photo rendering, 4K and 8K video editing, and more
Operating Temperature0°C ~ +70°C
Storage Temperature-55°C ~ +85°C
Max Shock Resistance1,500 G @ 0.5 msec half sine
Max Vibration Resistance5.0 gRMS, 10-2000 Hz
Height7.00mm
Width100.2mm
Depth69.85mm
Weight34.6g
Peso de envio0.07 kg
Dimensões da embalagem127 × 102 × 20 mm

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Perguntas sobre este artigo

Will this 2.5 inch drive fit in my NAS bay?

The drive uses a standard 2.5 inch form factor at 7 mm height, which matches most NAS drive trays and hot-swap carriers designed for laptop-size drives.

Is the SATA 6 Gbps interface fast enough for a caching tier?

Sequential reads reach 560 MBps and writes 520 MBps, while random 4K performance hits 87,000 read and 83,000 write IOPS, providing low latency for frequently accessed data.

How much write endurance does the 4 TB model offer?

The drive is rated for 2,500 TBW and an MTTF of 2,000,000 hours, so it can absorb heavy cache workloads over its service life.

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