Storage
9 posts
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AWS Backup pricing and where it bills (2026)
AWS Backup does not bill backup storage for EBS, EC2 or RDS: it lands under their own services. Plus cold storage minimums, copy charges and Audit Manager fees.
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S3 replication pricing: CRR, SRR, RTC (2026)
S3 replication bills a PUT per object plus $0.020/GB between Regions, so objects under 262 KB cost more in requests than transfer. SRR, RTC and Batch priced.
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S3 request pricing: the 18 KB line (2026)
One S3 GET a month costs more than a month of S3 Standard storage for any object under 18 KiB. S3 request pricing by class, with the crossover table.
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S3 Intelligent-Tiering cost break-even (2026)
S3 Intelligent-Tiering monitoring costs $0.0025 per 1,000 objects a month, so under a 250 KB average object size it loses to plain S3 Standard.
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What S3 Glacier retrieval really costs (2026)
Restoring 10 TB from S3 Glacier Deep Archive costs $268, 2.2x a year of storage. S3 Glacier retrieval is three charges: per GB, per request, plus a copy.
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S3 incomplete multipart uploads cost (2026)
Incomplete S3 multipart uploads bill as storage with no expiry, and expiration rules never remove them. How to list them, and the one lifecycle rule that does.
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When a cheap S3 storage class costs more (2026)
Minimum durations, the 128 KB rounding rule and the 40 KB Glacier overhead billed partly at S3 Standard rate.
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EFS pricing: storage is the cheap half (2026)
EFS Standard storage is $0.30 per GB-month, but Elastic Throughput bills $0.03 per GB read and $0.06 written. EFS pricing flips to Provisioned near 6%.
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What an EBS snapshot actually costs (2026)
Archiving converts an incremental EBS snapshot to a full one, so the cheap tier can bill 10x more. Plus why deleting frees nothing.