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Rectangular 2.5 inch SATA SSD with black metal casing and label

SanDisk

SanDisk WDS100T1R0A-68A4W0 1TB SATA internal SSD

SKU CH-0HZE-MDR7M MPN WDS100T1R0A-68A4W0

SATA internal SSD with 1 TB of 3D NAND, up to 560 MBps read and 530 MBps write, built for NAS caching and heavy 24/7 workloads

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form Factor2.5"
  • Capacity1TB
  • Memory Components3D NAND
  • InterfaceSATA III

Options 1TB

  • Optimised for NAS caching with up to 560 MBps sequential read
  • Handles heavy 24/7 workloads with up to 2M hours MTTF
  • Low idle draw at 56 mW slumber power
  • High random performance at up to 95,000 IOPS read
  • 3D NAND technology delivers up to 530 MBps sequential write

WD Red SA500 1TB 2.5" SATA SSD

The SanDisk WDS100T1R0A-68A4W0 is a Western Digital Red SA500 internal solid-state drive built for NAS caching. It uses 3D NAND flash and a SATA III 6 Gb/s interface in a 2.5-inch, 7mm form factor. Sequential reads reach up to 560 MBps and writes up to 530 MBps.

Suits NAS caching and mixed read/write workloads

This drive targets home and business NAS owners who need a cache tier for frequently accessed files, OLTP databases, multi-user environments or 4K and 8K video editing. Its 2M-hour MTTF and high endurance rating support 24/7 operation. Systems limited to a single drive bay or requiring boot-only storage should consider a larger-capacity model instead.

SATA III 6 Gb/s interface decides compatibility

The drive connects over a standard SATA III port and will not work in M.2 slots wired for PCIe only. Maximum 4KB random performance is 95,000 read IOPS and 85,000 write IOPS. Active power peaks at 3,750 mW during writes and 2,550 mW during reads, with idle slumber at 56 mW.

Points forts

  • Optimised for NAS caching with up to 560 MBps sequential read
  • Handles heavy 24/7 workloads with up to 2M hours MTTF
  • Low idle draw at 56 mW slumber power
  • High random performance at up to 95,000 IOPS read
  • 3D NAND technology delivers up to 530 MBps sequential write

Caractéristiques

BrandWestern Digital
SeriesRed SA500
ModelWDS100T1R0A
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form Factor2.5"
Capacity1TB
Memory Components3D NAND
InterfaceSATA III
ProtocolSATA
Max Sequential ReadUp to 560 MBps
Max Sequential WriteUp to 530 MBps
4KB Random ReadUp to 95,000 IOPS
4KB Random WriteUp to 85,000 IOPS
MTTFUp to 2M hours
FeaturesStorage optimized for caching in NAS systems to rapidly access your most frequently used files.
Superior endurance can handle the heavy read and write loads demanded by NAS, giving you the reliability you need in a 24/7 environment.
Purpose-built for NAS with proven Western Digital 3D NAND to deliver maximum SATA performance to both home and business users.
Reduces latency and improves responsiveness for OLTP databases, multi-user environments, photo rendering, 4K and 8K video editing, and more.
Available in 2.5" and M.2 form factors to fit the slots in modern NAS systems.
Capacities
Power Consumption (Idle)Slumber (mW): 56
DEVSLP (mW): 5-12
Power Consumption (Active)Average Active Power (mW): 60
Max Read Operating (mW): 2,550
Max Write Operating (mW): 3,750
Operating Temperature0°C ~ +70°C
Storage Temperature-55°C ~ +85°C
Max Shock Resistance1,500G @ 0.5 msec half sine
Max Vibration ResistanceOperating: 5.0 gRMS, 10-2000 Hz
Non-operating: 4.9 gRMS, 7-800 Hz
Height7.00mm
Width69.85mm
Depth100.20mm
Weight37.40g
Poids d’expédition0.04 kg
Dimensions du colis124 × 102 × 23 mm

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Questions sur cet article

Will the 560 MB/s sequential read speed stay constant during long NAS caching sessions?

Sustained throughput is limited by the SATA III 6 Gb/s interface and the drive's 560 MB/s read ceiling; thermal throttling may reduce speeds once the 70 °C operating limit is reached.

How much heat and power does the drive produce when it runs 24/7 in a NAS bay?

Active power peaks at 3,750 mW during writes and 2,550 mW during reads; idle slumber draws 56 mW and DEVSLP only 5–12 mW, so heat output stays modest inside a 0–70 °C rated enclosure.

Does my NAS need a specific drive bay or caddy to fit this 2.5-inch SATA SSD?

The drive uses a standard 2.5-inch 7 mm SATA form factor, so any NAS bay or caddy that accepts 2.5-inch SATA drives will work without extra adapters.

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