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Amazon Web Services S3 – Part 3: Costs and SLA

April 6th, 2009

Simple Storage Service (S3)

Cost

Storage is cheaper in the US than in Europe. If you are based in Europe, you may want to decide which is more important when getting or adding data: price or latency.

Storage

US per GB

Europe per GB

First 50TB/Month

$0.150

$0.180

Next 50TB/Month

$0.140

$0.170

Next 400TB/Month

$0.130

$0.160

Over 500TB/Month

$0.120

$0.150

Table 3: S3 Storage Costs

Data Transfer

US per GB

Europe per GB

Transfer Into S3

$0.100

$0.100

First 10TB Out of S3

$0.170

$0.170

Next 40TB Out of S3

$0.130

$0.130

Next 100TB Out of S3

$0.110

$0.110

Out over 150TB

$0.100

$0.100

Table 4: S3 Data Transfer Costs

Requests

US per 10000 Requests

Europe per 10000 Request

Put, Copy, List, Post

$0.01

$0.012

Delete (always free)

$0.00

$0.00

Get and all other requests

$0.01

$0.012

Table 5: S3 Request Costs

These prices are accurate as of the time of writing them. As always, verify before making a decision.

SLA

Amazon warrants a 99.9% uptime on a monthly basis. This is a significant uptime percentage. If S3 is not able to meet the uptime guarantee, Amazon will credit your account for the month of service interruption. If the percentage of uptime is between 99% and 99.9%, you will get a 10% credit. If the uptime is less than 99%, the credit is 25%.

You can read the SLA in detail at http://aws.amazon.com/s3-sla/

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