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Rectangular 2.5 inch SSD with green label and black metal casing

Western Digital

Western Digital WDS100T2G0A 1 TB 2.5" SATA internal SSD

SKU CH-8Z8A-GKJ4D MPN WDS100T2G0A

A 2.5-inch SATA solid-state drive with 1 TB capacity, SLC caching for faster writes, shock resistance up to 1,500G and low power draw for longer laptop use

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form Factor2.5"
  • Capacity1TB
  • InterfaceSATA III
  • Max Sequential ReadUp to 545 MBps
  • SLC caching accelerates everyday tasks with up to 545 MBps reads
  • Shock-resistant design rated at 1,500G protects data from bumps and drops
  • WD F.I.T. Lab certified for broad compatibility and reliability
  • Ultra-low 30 mW idle power extends laptop battery life
  • 5 inch 7.00 mm form factor fits most desktops and laptops

WD Green 1 TB SATA SSD

The Western Digital WDS100T2G0A is a 1 TB internal solid-state drive built for everyday computing in laptops and desktops. It uses a 2.5 inch 7.00 mm form factor and a SATA III interface rated at 600 MBps. SLC caching accelerates write speeds for routine workloads such as web browsing, casual gaming and fast system start-up.

Upgrade from a mechanical hard drive

Replacing a traditional spinning disk with this SSD removes moving parts, delivering shock resistance rated at 1,500G and vibration tolerance of 5.0 gRMS during operation. The drive draws an average 80 mW active and only 30 mW idle, extending battery life in portable systems. MTBF reaches 1.0M hours, so the reliability jump is clear for any aging HDD.

Limits of the SATA III interface

Sequential reads peak at 545 MBps, which is the practical ceiling of the SATA III bus rather than the flash memory itself. Random workloads and sustained writes will settle below this figure once the SLC cache fills. The drive operates from 0 °C to 70 °C and survives storage from -55 °C to 85 °C, making it suitable for standard consumer environments.

Highlights

  • SLC caching accelerates everyday tasks with up to 545 MBps reads
  • Shock-resistant design rated at 1,500G protects data from bumps and drops
  • WD F.I.T. Lab certified for broad compatibility and reliability
  • Ultra-low 30 mW idle power extends laptop battery life
  • 5 inch 7.00 mm form factor fits most desktops and laptops

Specifications

BrandWestern Digital
SeriesGreen
ModelWDS100T2G0A
Part NumberWDS100T2G0A
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form Factor2.5"
Capacity1TB
InterfaceSATA III
Max Sequential ReadUp to 545 MBps
MTBFUp to 1.0M hours
MTTFUp to 1.0M hours
FeaturesSLC (single-level cell) caching boosts write performance to quickly perform everyday tasks.
Shock-resistant and WD F.I.T. Lab certified for compatibility and reliability.
Ultra low power-draw so you can use your laptop PC for longer periods of time.
Available in 2.5"/7mm cased and M.2 2280 form factors to accommodate most PCs.
The free, downloadable Western Digital SSD Dashboard lets you easily monitor the status of your drive.
Power Consumption (Idle)30 mW Slumber
10 mW DEVSLP
Power Consumption (Active)80 mW Avg.
2800 mW Max Read
2800 mW Max Write
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
Depth100.50mm
Weight32.70g
Shipping weight0.27 kg
Package size203 × 152 × 51 mm

Questions about this item

Does the 2.5 inch 7.00mm height drive fit my laptop bay?

The drive uses the standard 2.5 inch form factor with a 7.00mm z-height, matching most laptop and desktop bays that accept 7mm SATA drives.

Which SATA cable and mounting screws do I need, and what step is often missed?

Connect the drive to a SATA III port with a standard SATA data cable and secure it with 2.5 inch mounting screws; the step often missed is enabling AHCI mode in the BIOS before cloning or installing the OS.

How do I monitor the 1.0M hour MTBF health and when should I plan replacement?

Use the free Western Digital SSD Dashboard to track SMART attributes and remaining life; plan replacement when the tool reports critical warnings or the drive reaches its rated endurance limit.

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