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Estimate: Amazon Cloud Backed by 450,000 Servers

Data Center Knowledge

How many servers does it take to power Amazon’s huge cloud computing operation? Like many large Internet companies, Amazon doesn’t disclose details of its infrastructure, including how many servers it uses. But a researcher estimates that Amazon Web Services is using at least 454,400 servers in seven data center hubs around the globe.

Huan Liu, a research manager at Accenture Technology Labs, analyzedAmazon’s EC2 compute service using internal and external IP addresses, which he extrapolated to come up with estimates for the number of racks in each data center location. Liu then applied an assumption of 64 blade servers per rack – four 10U chassis, each holding eight blades – to arrive at the estimate.

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