# AWS Service - EC2 Instance Store

**EC2 Instance Store**

* EBS volumes are network drives with good but “limited” performance
    
* If you need a high-performance hardware disk, use EC2 Instance Store
    
* Better I/O performance
    
* EC2 Instance Store lose their storge if they're stopped (ephemeral)
    
* Good for buffer / cache / scratch data / temporary content
    
* Risk of data loss if hardware fails
    
* Backup and Replication are your responsibility
    

**Relevant Doc:**

[https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/InstanceStorage.html](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/InstanceStorage.html)

**Disclaimer:** This is a personal blog that might come in handy when I suffer from Dementia in future.