eSurfing Cloud EVS offers two billing modes — Pay-As-You-Go and Subscription — both charged based on EVS capacity.

Pay-As-You-Go

Pay-As-You-Go (PAYG) is a postpaid billing mode, where charges are based on the actual usage duration of the EVS disk. Billing is calculated hourly, making it suitable for scenarios with uncertain workloads.

Billing items : Based on EVS capacity and actual usage time.

· EVS capacity: Measured in GB.

· Usage duration: Measured in seconds, billed by the hour. Billing starts when the EVS is successfully created and stops when it is released.

Pay-As-You-Go pricing for EVS:

Specification	Hong Kong 2 (USD/h our /GB)	Singapore 4 (USD/h our /GB)	Philippines 1 (USD/h our /GB)	Indonesia 1 (USD/h our /GB)
Standard I/O	0.000140	-	-	-
High I/O	0.000120	0.000096	0.000063	0.000067
General SSD	0.000233	0.000152	0.000137	0.000133
Ultra High I/O	0.000277	0.000266	0.000234	0.000266
Extreme SSD	0.000976	0.000952	-	-

Yearly / Monthly Subscription

Subscription is a prepaid billing mode, where charges are based on the purchased subscription period. Billing is calculated by order period, making it suitable for stable workload scenarios.

Billing items : Based on EVS capacity and subscription period.

· EVS Capacity: Measured in GB.

· Subscription Period: Measured in years or months. Starts from the creation or renewal date until expiration or cancellation.

Monthly subscription pricing for EVS:

Specification	Hong Kong 2 (USD/month/GB)	Singapore 4 (USD/month/GB)	Philippines 1 (USD/month/GB)	Indonesia 1 (USD/month/GB)
Standard IO	0.099	-	-	-
High IO	0.086	0.069	0.045	0.045
General SSD	0.123	0.109	0.099	0.101
Ultra High IO	0.199	0.194	0.17	0.186
Extreme SSD	0.437	0.426	-	-

Notes :

Billing starts from the moment the EVS is created, regardless of whether it is mounted.

Elastic Volume Service

Billing Modes