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SanDisk

SanDisk WDS200T1R0B-68A4Z0 Red SA500 2TB M.2 2280 SATA internal SSD

SKU CH-YMRE-ZX10N MPN WDS200T1R0B-68A4Z0

2TB M.2 2280 SATA SSD with 3D NAND built for NAS caching, delivering up to 560 MBps read and 530 MBps write with 95,000 random read IOPS

  • Total capacity2 TB
  • Sequential read speedUp to 560 MB/s
  • Sequential write speedUp to 530 MB/s
  • Interface typeSATA III
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)
  • Optimised for NAS caching to accelerate frequent file access
  • Sustains heavy NAS workloads with 2M-hour MTTF endurance rating
  • Delivers up to 560 MBps sequential read and 530 MBps sequential write
  • Low idle power draw of 56 mW in slumber mode
  • M.2 2280 form factor fits modern NAS slots

NAS caching drive

The SanDisk Red SA500 is a 2TB M.2 2280 internal SSD built on 3D NAND with a SATA interface. It targets home and business NAS appliances that need a dedicated cache tier for frequently accessed files. The drive is rated for continuous operation in 24/7 environments. Its form factor fits the M.2 slots found in modern NAS units.

Sustained write behaviour

Sequential writes reach up to 530 MBps while random 4KB writes hit 85000 IOPS. Power draw under maximum write load is 3800 mW, well within typical NAS power budgets. The drive maintains these figures across extended workloads such as OLTP databases, multi-user file serving and 4K or 8K video editing. MTTF of up to 2M hours reflects the endurance tuning for heavy, constant I/O.

SATA throughput ceiling

The SATA III link caps sequential reads at 560 MBps and writes at 530 MBps regardless of the NAND speed. If your NAS can use a faster protocol, this drive will become the bottleneck. For SATA-only bays the drive delivers the maximum throughput the bus allows.

How it compares

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

Price $483.99
Pricier than about 80% of the 1,994 comparable items (median $180.49).
Total capacity 2 TB
Higher than about 70% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 560 MB/s
Lower than about 60% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $242.00 per TB
Pricier than about 69% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameWestern Digital
Product lineRed SA500
Model nameWDS200T1R0B
Total capacity2 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 560 MB/s
Sequential write speedUp to 530 MB/s
Random read (4K)Up to 95,000 IOPS
Random write (4K)Up to 85,000 IOPS
Storage
NAND flash type3D NAND
Ports & slots
Interface typeSATA III
Power
Idle power drawSlumber (mW): 56
DEVSLP (mW): 5-12
Active power drawAverage Active Power (mW): 60
Max Read Operating (mW): 3,000
Max Write Operating (mW): 3,800
Size & build
Form factorM.2 2280
Overall height2.38 mm
Overall width22 mm
Product depth80 mm
Product weight7g
Shipping weight0.04 kg
Package size127 × 102 × 23 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
Storage temperature range-55 °C to 85 °C
Max shock tolerance1,500G @ 0.5 msec half sine
Vibration toleranceOperating: 5.0 gRMS, 10-2000 Hz
Non-operating: 4.9 gRMS, 7-800 Hz
More details
Mean time to failureUp to 2M hours

Other versions of this model

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Questions about this item

Will this M.2 drive fit my NAS slot?

The drive uses the M.2 2280 form factor, which is the standard 80 mm length used in most modern NAS units with an M.2 slot.

Can I use this as a cache drive for my NAS?

Yes, the Red SA500 is designed for NAS caching to accelerate access to frequently used files in 24/7 environments.

What power draw should I expect under heavy writes?

Maximum write power is 3,800 mW, while idle slumber power is 56 mW and DEVSLP is 5-12 mW.

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