# Give old hard drives new life with RAID

> Combine spare drives into a single faster, more reliable storage system using RAID technology.
- Title: Give old hard drives new life with RAID · Engadget | Shortify
- Summary: Combine spare drives into a single faster, more reliable storage system using RAID technology. RAID arrays let you combine old hard drives into faster, more…
- Keywords: raid, hard drives, storage, data redundancy, raid 0, raid 1, raid 5, raid 10, hardware setup, technology, Give, old
- Source: Engadget — https://engadget.com/2281587/how-to-create-raid-array-your-old-hard-drives
- Author: Filipe Espósito
- Published: 2026-10-12T23:00:00+00:00
- Read time: 2 min
- Topics: raid, hard drives, storage, data redundancy, raid 0, raid 1, raid 5, raid 10, hardware setup, technology
## Old drives deserve a second life
If you build your own computers, you likely have a drawer of old five hundred gigabyte and one terabyte hard drives that are too small to be useful alone but still have life left in…
## What RAID actually does
RAID stands for Redundant Array of Independent Disks. It combines multiple disks so they function as a single unit, distributing files across two or more drives for faster transfer speeds and data redundancy.
## RAID 0: speed without safety
RAID 0 combines two or more disks through striping, speeding up file read and write times and combining total storage space. But it offers zero data protection. If a drive fails, you lose everything.

> it's a great way to get faster speeds, but not so great for keeping your data safe
## RAID 1: mirroring for safety
RAID 1 writes the same data to every disk in the array.If one disk fails, you still have everything on the other.But RAID 1 uses fifty percent of total capacity to create this mirrored copy.
## RAID 5 and 10: the complex options
RAID 5 divides data into blocks across multiple drives, requiring at least three drives. If one fails, algorithms reconstruct the missing data. RAID 10 combines RAID 0 and 1 by grouping drives into mirrored pairs.
## Software RAID is easiest
You can connect two or more disks to your computer and create a RAID array using software.Apple's Disk Utility in macOS lets you set up RAID 0 and 1 arrays.Windows has Disk Management.
## Hardware RAID for serious users
Hardware-based RAID uses dedicated controllers that better protect drives against failures and deliver better performance.You may need to buy a RAID controller for your motherboard, or use a RAID enclosure with a built-in RAID chip.
## Key takeaway

RAID arrays let you combine old hard drives into faster, more reliable storage that protects against data loss if one drive fails.