---
title: Choosing a RAID level for your XLHost dedicated server
description: This article describes the various RAID levels.
image: https://blog.xlhost.com/hubfs/AI-Generated%20Media/Images/disk%20drives%20in%20servers.jpeg
---

![Disk drives and servers](https://blog.xlhost.com/hubfs/AI-Generated%20Media/Images/disk%20drives%20in%20servers.jpeg)

**RAID (Redundant Array of Independent Disks)** is a data storage technology that combines multiple physical disk drives into one or more logical units to improve performance, redundancy, or both. Here are some key RAID levels:

- **RAID 0**: Stripes data across multiple disks for increased performance. No redundancy, so if one disk fails, all data is lost.
- **RAID 1**: Mirrors data across two disks, providing redundancy. If one disk fails, the data is still intact on the other.
- **RAID 5**: Stripes data and parity across three or more disks. Provides a balance of performance and redundancy. If one disk fails, the data can be rebuilt from the parity information.
- **RAID 6**: Similar to RAID 5 but with extra parity. Can tolerate two disk failures.
- **RAID 10 (1+0)**: Combines RAID 1 and RAID 0. Data is mirrored and striped, offering both performance and redundancy.

Each RAID level has its pros and cons, so the choice depends on your specific needs for performance and data protection.

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