If you need serious backup capacity, 24TB drives can hold years of photos, videos, projects, and system archives without constant swapping or cleanup.
Below, we focus on dependable options for desktop PC backup, including external plug-and-play models and internal drives for users building a larger storage setup.
Best 9 24tb Hard Drives for PC Backup Picks for 2026
Best for Single-Cable Backup
Seagate One Touch 24TB Desktop HDD
- 24TB capacity for big PC backups and archives
- Bus-powered USB-C keeps setup simple
- Includes Rescue Data Recovery Services
Best For: Users who want a large, easy-to-connect desktop backup drive for Windows or Mac.
Best for 24/7 Backup Archives
Seagate Exos 24TB Enterprise HDD
- 24TB capacity for full backups and large archives
- CMR recording supports steadier sustained writes
- Built for 24x7 enterprise-style operation
Best For: People who want a high-capacity drive for dependable always-on backup storage.
Best High-Capacity Desktop Backup
BX100 24TB USB-C External Drive
- 24TB capacity for large PC and Mac backups
- USB 3.2 Gen 2 with up to 10Gbps transfers
- Plug-and-play setup with quiet fanless design
Best For: Users who want a single, high-capacity external drive for straightforward PC or Mac backups.
Best Enterprise Backup Drive
- 24TB capacity for large PC backups and archives
- CMR, 7200 RPM, and 512MB cache for sustained performance
- Renewed drive with 2-year seller warranty and 0 POH hours
Best For: Power users and small-office buyers needing maximum-capacity backup storage.
Best for High-End Surveillance Workloads
WD Purple Pro 24TB Surveillance HDD
- 24TB capacity for large backup libraries
- 5-year warranty and enterprise-class reliability
- 550TB/year workload rating for heavy use
Best For: People who want a high-capacity internal drive for demanding backup or always-on storage.
Best for Heavy-Duty Backups
Seagate Exos X24 24TB Enterprise HDD
- 24TB capacity for large backup libraries
- Enterprise reliability with 2.5M-hour MTBF
- Strong value per terabyte for dense storage
Best For: People needing a durable high-capacity backup drive for large PC archives and storage-heavy setups.
Best High-Capacity SATA
Seagate Barracuda 24TB Internal Hard Drive
- 24TB capacity for large PC backups and archives
- 7200 RPM with 512MB cache for solid desktop performance
- Standard 3.5-inch SATA drive with cloning software included
Best For: Desktop users who want a straightforward internal drive for big backups and general storage.
Best for Surveillance Workloads
Seagate SkyHawk AI 24TB Surveillance HDD
- Built for continuous 24/7 recording and heavy write loads
- Enterprise-class reliability with vibration sensors and high MTBF
- Includes RAID RapidRebuild, Rescue Data Recovery, and a 5-year warranty
Best For: Buyers who need a high-capacity drive for always-on surveillance or demanding backup storage.
Best for NAS Backup Arrays
Seagate IronWolf Pro 24TB NAS HDD
- CMR and 7200 RPM for steady backup performance
- 550TB/year workload rating for heavy-duty use
- Includes 3-year Rescue Data Recovery Services
Best For: Power users and small business owners backing up large data sets to NAS or RAID systems.
Best for Single-Cable Backup – Seagate One Touch 24TB Desktop HDD
If you want one of the simplest 24tb hard drives for pc backup, this Seagate One Touch keeps the setup clean with bus-powered USB-C and a single-cable desktop design. It’s a practical choice for users who want lots of room for archives, project files, and system backups without adding extra clutter to the desk.
Best For: Windows or macOS users who want a large, no-fuss external backup drive with minimal cable mess.
Pros:
- 24TB capacity is ideal for full PC backups and long-term file storage
- Bus-powered USB-C design means no wall adapter is required
- Works with most Windows and macOS systems for flexible everyday use
- Includes Rescue Data Recovery Services and a two-year limited warranty
Cons:
- Desktop-style drive is less portable than a smaller portable SSD or HDD
- Backup-focused design is better for capacity than speed-sensitive workflows
For buyers comparing 24tb hard drives for pc backup, this model stands out for convenience as much as capacity. It’s a strong fit if you value simple setup, broad compatibility, and a single-drive solution for protecting a large library of files.
Best for 24/7 Backup Archives – Seagate Exos 24TB Enterprise HDD
Seagate Exos ST24000NM000C 24TB 7.2K RPM SATA 6Gb/s 512e 3.5in Enterprise Hard Drive (Renewed)
Check Price On AmazonIf you want one of the higher-capacity 24tb hard drives for pc backup and prefer an enterprise-class model, this renewed Seagate Exos is built for heavy, round-the-clock storage use. Its CMR recording, helium-sealed design, and SATA 6Gb/s interface make it a strong fit for large local backups, media libraries, and NAS-style archive duty.
Best For: Users who need a high-capacity drive for reliable always-on backup storage and large data archives.
Pros:
- 24TB capacity gives you plenty of room for full-system backups and long-term archives
- CMR technology helps maintain steadier performance during large writes and backups
- Built for 24×7 operation with an enterprise focus on endurance and reliability
- Helium-sealed design can reduce power use and heat compared with older high-capacity drives
Cons:
- Renewed unit may not appeal to buyers who want brand-new hardware
- Enterprise drives can be noisier than consumer desktop models
- Overkill if you only need a basic backup drive for light occasional use
For buyers comparing 24tb hard drives for pc backup, this Exos stands out for capacity and endurance more than desktop-friendliness. It makes the most sense when your priority is maximizing storage in a drive that is designed to stay online and keep writing reliably over time.
Best High-Capacity Desktop Backup – BX100 24TB USB-C External Drive
OSENTRiX BX100 24TB USB 3.2 Gen 2 USB-C External Hard Drive for Windows or MacOS Desktop PC/Laptop
Check Price On AmazonIf you want one of the largest single-drive options in the category, the BX100 is a practical pick among 24tb hard drives for pc backup. Its 24TB capacity, USB 3.2 Gen 2 connection, and Windows/macOS support make it a straightforward way to store full-system backups, media libraries, and project archives.
Best For: Desktop or laptop users who need a very large, plug-and-play external drive for backups and bulk storage.
Pros:
- Huge 24TB capacity for full backups and large file collections
- USB 3.2 Gen 2 supports up to 10Gbps transfer speeds
- Compatible with both Windows and macOS with no software needed
- 7200 RPM drive and fanless enclosure aim for reliable, quiet operation
Cons:
- Requires formatting, so usable capacity is lower than the advertised total
- Desktop-style drive is less portable than smaller bus-powered options
- Not the cheapest way to buy external storage
For buyers comparing 24tb hard drives for pc backup, this BX100 stands out for capacity and simple setup rather than portability. It makes the most sense when you need a big, always-ready storage pool and want to avoid juggling multiple smaller drives.
Best Enterprise Backup Drive – Seagate Exos X24 24TB Renewed
If you want one of the highest-capacity 24tb hard drives for pc backup, the Seagate Exos X24 is built for heavy-duty storage rather than casual desktop use. Its 7200 RPM, CMR design, large 512MB cache, and helium-sealed construction make it a strong fit for large backup jobs, media archives, and always-on storage systems.
Best For: Power users and small-office buyers who need maximum-capacity backup storage with enterprise-grade reliability and are comfortable using a renewed drive.
Pros:
- Massive 24TB capacity for full-system backups and large archives
- Enterprise-focused design with CMR recording and 7200 RPM performance
- Helium-sealed build and environmental sensors for dependable long-term use
- Renewed unit includes a 2-year seller warranty and 0 POH hours
Cons:
- Overkill for basic everyday PC storage needs
- Renewed status may not appeal to buyers who want brand-new hardware
- Not the quietest or cheapest option for a simple desktop backup drive
Overall, this is a serious backup drive aimed at users who value capacity, durability, and sustained transfer performance over consumer-friendly pricing. For shoppers comparing 24tb hard drives for pc backup, it stands out as an enterprise-style option that makes sense when your priority is storing a lot of data reliably.
Best for High-End Surveillance Workloads – WD Purple Pro 24TB Surveillance HDD
If you need one of the biggest 24tb hard drives for pc backup, the WD Purple Pro 24TB stands out for sheer capacity and enterprise-style endurance. It’s built for heavy write workloads, so it makes sense when your backup plan involves large media libraries, archival storage, or a system that stays busy for long periods.
Best For: Users who want a very large-capacity drive for demanding backup or always-on storage duties, especially if reliability matters more than raw value.
Pros:
- Massive 24TB capacity helps consolidate big backup sets onto one drive
- Enterprise-class reliability with a 5-year limited warranty
- High 550TB/year workload rating for heavy-use storage scenarios
- 3.5-inch SATA design is easy to fit into a desktop or storage enclosure
Cons:
- Surveillance-focused tuning makes it less of a general-purpose desktop pick
- Likely overkill if you only need a simple, low-cost backup drive
- Not the quietest or cheapest option for casual PC users
For buyers comparing 24tb hard drives for pc backup, this WD Purple Pro is less about bargain pricing and more about dependable large-scale storage. It’s a strong fit when you want maximum capacity and long-term durability in a single internal drive.
Best for Heavy-Duty Backups – Seagate Exos X24 24TB Enterprise HDD
If you want one of the more serious 24tb hard drives for pc backup, the Seagate Exos X24 is built for nonstop storage workloads rather than casual desktop use. Its 7200RPM design, SATA 6Gb/s interface, and enterprise-grade reliability make it a strong fit when you need a lot of capacity and steady performance.
Best For: Users who want a high-capacity backup drive with enterprise durability for large PC archives, media libraries, or multi-drive storage setups.
Pros:
- Massive 24TB capacity helps reduce drive count for large backups
- Enterprise focus with 2.5M-hour MTBF and 5-year limited warranty
- Consistent performance and low latency for repeated backup jobs
- Good value per terabyte for high-volume storage needs
Cons:
- Overkill for basic home backup or light personal storage
- Louder and less power-efficient than many consumer desktop drives
- Enterprise tuning may be more than some PC users need
Overall, this is a strong pick if your priority is maximum capacity and long-term dependability over quiet operation or budget-friendly simplicity. For buyers comparing 24tb hard drives for pc backup, the Exos X24 stands out when you want enterprise-class endurance and fewer disks to manage.
Best High-Capacity SATA – Seagate Barracuda 24TB Internal Hard Drive
Seagate Barracuda 24TB Internal Hard Drive, 7200 U/Min, 512MB Cache, SATA 6Gb/s, 3.5" (ST24000DM001)
Check Price On AmazonIf you’re comparing 24tb hard drives for pc backup, this Barracuda stands out for its huge capacity, 7200 RPM performance, and straightforward SATA compatibility. It’s a practical pick for desktop users who want one drive for large local backups, media libraries, and everyday storage without moving up to enterprise hardware.
Best For: Desktop PC owners who need a large, standard internal drive for backups, file archives, and mixed everyday use.
Pros:
- Massive 24TB capacity for full-system backups and long-term archives
- 7200 RPM and 512MB cache help with responsive file transfers
- Standard 3.5-inch SATA 6Gb/s design fits many desktop PCs
- Includes Seagate DiscWizard for cloning and migration
Cons:
- Internal desktop drive only, so it needs a compatible PC bay and SATA power
- Not the quietest or most power-efficient option for always-on backups
- Overkill if you only need a small backup drive
For buyers who want a simple, high-capacity internal drive, this is an easy fit. Among 24tb hard drives for pc backup, it offers a strong balance of size, speed, and familiar desktop installation, especially if you’re expanding a workstation or gaming PC.
Best for Surveillance Workloads – Seagate SkyHawk AI 24TB Surveillance HDD
If you need one of the more specialized 24tb hard drives for pc backup, this Seagate SkyHawk AI model stands out for sustained, always-on workloads rather than general desktop use. It is built to handle heavy write activity, high drive counts, and vibration-prone multi-bay setups, making it a strong fit when reliability matters more than raw bargain pricing.
Best For: Users who want a high-capacity drive for continuous recording, large NVR/DVR arrays, or a PC backup setup that sees frequent large transfers and long uptime.
Pros:
- Designed for heavy 24/7 workloads with ImagePerfect AI to reduce dropped frames.
- Enterprise-class durability with 2.5M hour MTBF and 550TB/year workload rating.
- SkyHawk Health Management plus RAID RapidRebuild adds extra protection and faster recovery.
- Five-year warranty and three years of Rescue Data Recovery Services included.
Cons:
- It is optimized for surveillance systems, so it may be overkill for simple home backups.
- Higher cost than standard desktop hard drives.
- Performance focus is reliability, not the fastest general-purpose PC storage.
As one of the more specialized 24tb hard drives for pc backup, this drive makes the most sense if you prioritize uptime, capacity, and recovery support over everyday desktop value. For buyers building a large, always-on storage pool, its surveillance-grade design is the real advantage.
Best for NAS Backup Arrays – Seagate IronWolf Pro 24TB NAS HDD
If you want one of the most capable 24tb hard drives for pc backup, this IronWolf Pro is built for high-capacity, always-on storage rather than basic desktop use. Its CMR design, 7200 RPM speed, and NAS-focused engineering make it a strong fit for large backup volumes, RAID setups, and users who want dependable long-term storage.
Best For: Power users, home servers, and small business backups that need a rugged 24TB drive for RAID or NAS arrays.
Pros:
- CMR recording and 7200 RPM performance support consistent backup and restore speeds
- 550TB/year workload rating and 2.5M-hour MTBF make it well suited to heavy use
- Includes 3-year Rescue Data Recovery Services for added peace of mind
- AgileArray, TLER, and RV sensors help improve reliability in multi-bay systems
Cons:
- Overkill if you only need simple external PC backup
- NAS-oriented design may cost more than standard desktop hard drives
For buyers comparing 24tb hard drives for pc backup, this model stands out when reliability, RAID compatibility, and continuous-duty operation matter more than the lowest price. It is a strong pick if your backup plan includes a NAS or always-on storage server.
How We Picked These 24tb Hard Drives for PC Backup
We prioritized drives that make sense for backup work: stable performance, strong capacity, common interface support, and clear use-case fit. For 24tb Hard Drives for PC Backup, reliability matters more than peak speed, so we gave extra weight to drives with enterprise, NAS, or desktop backup positioning.
We also considered whether a drive is easier for everyday buyers to use. External desktop drives are simplest for basic backup, while internal drives are better for users who already have a desktop, NAS, or RAID-capable setup.
Quick Comparison: Which Type Fits Your Backup Setup?
External desktop drives are the easiest choice if you want simple USB backup with no installation. They suit Windows and macOS users who want a fast way to start backing up right away.
Internal SATA drives are better if you want maximum flexibility, higher-value long-term storage, or integration into a desktop tower, NAS enclosure, or multi-drive backup system.
Surveillance, NAS, and enterprise drives are designed for heavier-duty workloads. They are not always the best “general home PC” pick, but they can be excellent for users who back up large libraries or run always-on systems.
Key Buying Factors for 24tb Hard Drives for PC Backup
Interface and Installation
Choose USB-C external storage for the simplest setup, or SATA internal storage if your PC has open drive bays and you want a more permanent solution. Make sure your case, motherboard, or enclosure supports the drive’s form factor and power needs.
Workload and Reliability Rating
For backup, sustained reliability matters more than short bursts of speed. Enterprise and NAS models are usually built for heavier use, while desktop external drives favor convenience.
CMR Vs. SMR
For large backups and repeated writes, CMR is generally the safer choice. It tends to perform more predictably when copying big folders, running backups often, or restoring data.
Noise, Heat, and Power
High-capacity 3.5-inch drives can run warm and make some noise. If your PC stays on for long backup windows, consider airflow and enclosure cooling, especially with enterprise-class models.
Compatibility and Recovery Features
Check OS compatibility, enclosure support, and any included recovery services or software. These extras can be helpful, but they should not replace a solid backup strategy with at least one additional copy.
Who Should Buy Which 24tb Hard Drives for PC Backup?
If you want the easiest setup, pick an external desktop drive. If you want to expand a tower PC, choose an internal SATA model. If your backup workload is large, frequent, or tied to a NAS or always-on system, an enterprise or NAS-oriented drive is usually the better long-term fit.
For most shoppers, the best choice among 24tb Hard Drives for PC Backup comes down to whether convenience or installation flexibility matters more. Start with the simplest type that matches your hardware, then favor proven reliability over extras you may never use.