SSD TBW Calculator
SSD TBW Calculator
Estimated Lifespan
32.9 years
At 50 GB written per day
DWPD
0.050
drive writes per day
Annual TBW Use
3.0%
of rating / year
Durability Grade
Excellent
>10yr great · >5yr good
Lifespan Details
| TBW Rating | 600 TB |
| Daily Writes | 50 GB/day |
| Total Days Until TBW | 12,000 |
| Lifespan (Years) | 32.9 |
| Annual TBW Consumption | 3.0% |
| Total Writes Until Failure | 600,000 GB |
Cumulative Writes vs TBW Rating
The line crosses the TBW rating at year 32.9 — where NAND wear-out begins.
Summary Statistics
Capacity
1000 GB
TBW Rating
600 TB
Daily Writes
50 GB
DWPD
0.050
Lifespan
32.9 years
Wear Rate
3.0% of rating per year
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