AWS

c5a.2xlarge

EC2 Instance

About the

c5a.2xlarge

instance

AMD-based compute-optimized instance with 8 vCPUs and 16 GiB memory. Good for batch processing and distributed applications.

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Pricing of

c5a.2xlarge

N/A

On Demand

N/A

Spot

N/A

1 Yr Reserved

N/A

3 Yr Reserved

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Spot Pricing Details for

c5a.2xlarge

Here's the latest prices for this instance across this region:

Availability Zone	Current Spot Price (USD)

Frequency of Interruptions: n/a

Frequency of interruption represents the rate at which Spot has reclaimed capacity during the trailing month. They are in ranges of < 5%, 5-10%, 10-15%, 15-20% and >20%.

Last Updated On: December 17, 2024

Compute features of

c5a.2xlarge

Feature	Specification

Storage features of

c5a.2xlarge

Feature	Specification

Networking features of

c5a.2xlarge

Feature	Specification

Operating Systems Supported by

c5a.2xlarge

Operating System	Supported

Security features of

c5a.2xlarge

Feature	Supported

General Information about

c5a.2xlarge

Feature	Specification

Benchmark Test Results for

c5a.2xlarge

CPU Encryption Speed Benchmarks

Cloud Mercato tested CPU performance using a range of encryption speed tests:

Encryption Algorithm	Speed (1024 Block Size, 3 threads)
AES-128 CBC	1.3GB
AES-256 CBC	928.8MB
MD5	2.4GB
SHA256	5.7GB
SHA512	2.4GB

I/O Performance

Cloud Mercato's tested the I/O performance of this instance using a 100GB General Purpose SSD. Below are the results:

	Read	Write
Max	3100	3099
Average	3099	3098
Deviation	0.22	0.96
Min	3098	3095

I/O rate testing is conducted with local and block storages attached to the instance. Cloud Mercato uses the well-known open-source tool FIO. To express IOPS the following parametersare used: 4K block, random access, no filesystem (except for write access with root volume and avoidance of cache and buffer.

See

Cloud Mercato's full benchmark results for this instance here

Community Insights for

c5a.2xlarge

AI-summarized insights

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GKE on AWS supports x86 instance types for control planes. For node pools, GKE on AWS supports both x86 and Arm instance types. For both control planes and node pools, GKE on AWS supports only Nitro-based instance types.

2025-10-03 00:00:00

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Just did a quick test. It booted up in about 11s vs around 19s for Xen. I did notice that it took a while for the status check to go green though. There was a warning message saying that it couldn't connect to the instance. I was able to SSH just fine though.

2017-07-11 00:00:00

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benchmarking

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