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SSM Parameter Store – Standard vs Advanced Tiers

Feature
Standard Tier
Advanced Tier
Parameter limit (per region)
10,000
100,000
Max parameter size
4 KB
8 KB
Parameter policies
No
Yes
Cost
Free
$0.05 per advanced parameter/month
Advanced parameters → larger values, higher limits, and lifecycle management via parameter policies.
Use Standard for basic, cost-free storage; Advanced when enhanced features or scalability are required.