Which Amazon S3 storage class is the MOST cost-effective for long-term storage?

The correct answer is A. S3 Glacier Deep Archive. S3 Glacier Deep Archive offers the lowest storage cost for long-term retention of rarely accessed data, making it the most cost-effective option among the listed classes.

Submitted by yaw92· Mar 6, 2026Billing, Pricing, and Support

Question

Options

AS3 Glacier Deep Archive
BS3 Standard
CS3 Standard-Infrequent Access (S3 Standard-IA)
DS3 One Zone-Infrequent Access (S3 One Zone-IA)

How the community answered

(46 responses)

A
72% (33)
B
15% (7)
C
9% (4)
D
4% (2)

Explanation

S3 Glacier Deep Archive offers the lowest storage cost for long-term retention of rarely accessed data, making it the most cost-effective option among the listed classes.

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