Enterprise Database Migration TCO: RDS vs Azure SQL vs Cloud SQL CapEx/OpEx Analysis

Quantify managed database overhead, IOPS provisioning economics, and multi-region replication costs.

EDPA

Enterprise Data Platform Architects

Database Reliability Specialists • Cloud Financial Architecture

1. Deconstructing the 2.2x Managed Database Premium

Managed database services (RDS, Cloud SQL, Azure SQL) charge a 2.0x to 2.4x premium over raw compute instances. This cost encapsulates automated failover, point-in-time recovery snapshots, kernel patching, and high-availability synchronous storage replication.

2. IOPS & Throughput Scaling Economics

Selecting modern decoupled storage tiers (AWS gp3, Azure Premium SSD v2) allows independent scaling of baseline IOPS (3,000 IOPS included free) and MB/s throughput without forcing capacity expansion, saving thousands annually.

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28.4% Variance

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Multi-Cloud Migration TCO Calculator

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35% Slack Cut

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