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PolarDB:Storage space billing rules

Last Updated:Jan 24, 2026

PolarDB for PostgreSQL (Distributed Edition) only supports the pay-as-you-go billing method for storage space.

Introduction

The PSL4 and PSL5 storage classes of PolarDB for PostgreSQL (Distributed Edition) are billed based on storage capacity.

Billing method

Storage space cost calculation

Pay-as-you-go

Fees are charged based on the actual storage space your data occupies and are deducted from your account hourly.

Pay-as-you-go

Scenarios

The total storage usage across all clusters in a specific region for an Alibaba Cloud account is low, and the workload fluctuates frequently.

Price list

Pay-as-you-go price per GB of storage space (hourly)

Storage class

The Chinese mainland

China (Hong Kong) and overseas

PSL5

Dual-zone (hot standby storage cluster enabled)

USD 0.000731/GB/hour

USD 0.000815/GB/hour

Single-zone (hot standby storage cluster disabled)

USD 0.000365/GB/hour

USD 0.000408/GB/hour

PSL4

Dual-zone (hot standby storage cluster enabled)

USD 0.000475/GB/hour

USD 0.000529/GB/hour

Single-zone (hot standby storage cluster disabled)

USD 0.000237/GB/hour

USD 0.000264/GB/hour