BarraCuda · 3.5-Inch Internal Hard Drive
Seagate BarraCuda 3.5-inch hard drive
Authorized Reseller · Best Pricing · Expert Guidance
Build a powerhouse gaming computer or desktop setup with a variety of capacities and form factors — up to 24TB of massive desktop storage.
Massive storage for desktops, large files, games and media libraries
NAND flash, DRAM and media cache for faster load and application times
Internal hard drive technology backed by 20 years of innovation
Long-term peace of mind with the included limited warranty
What is the BarraCuda 3.5-inch hard drive?
Built on proven reliability and innovation, BarraCuda® 3.5-inch hard drives are available in a wide range of capacity and price point options to fit all desktop computing storage needs and budgets.
Build a powerhouse gaming computer or desktop setup with a variety of capacities and form factors. Use this go-to SATA hard drive solution for nearly every PC application — from music to video to photo editing to PC gaming.
Confidently rely on internal hard drive technology backed by 20 years of innovation. Migrate and clone data from old drives with ease, using our free Seagate DiscWizard™ software tool.
Enjoy long-term peace of mind with the included two-year limited warranty.
What makes the BarraCuda 3.5-inch right for a desktop build?
Three properties that matter when the drive lives in a tower rather than a laptop.
Massive Capacity
The BarraCuda Hard Drive delivers massive storage for desktops, offering up to 24TB of capacity. Perfect for storing large files, games and media libraries, it’s built to handle your growing digital needs.
Energy-Efficient Design
An energy-efficient design reduces power consumption without compromising performance. Advanced technology ensures quieter operation and lower heat output, making it an eco-friendly choice for desktops.
Versatile Applications
Perfect for versatile desktop applications. From gaming and multimedia editing to everyday tasks, it delivers reliable performance and ample storage capacity — ideal for upgrades or new builds.
Which features does the BarraCuda 3.5-inch share with the family?
Four things every drive in the family shares, regardless of form factor.
Multi-Tier Caching
By intelligently managing data flow across multiple layers — including high-speed NAND flash, DRAM and media cache — MTC significantly boosts performance, delivering faster load times, quicker application launches and smoother read and write speeds.
Trusted Dependability
For over 20 years, Seagate has proudly manufactured and delivered the reliable BarraCuda family of internal hard drives, and every drive comes with a robust limited warranty for long-term confidence.
DiscWizard™ Migration
Seagate DiscWizard™ software guides you step-by-step: clone your existing drive to your new Seagate drive, create and format partitions, transfer files seamlessly and back up important data.
Rescue Services
When the unexpected happens — like water damage or natural disaster — Rescue Services help you defend against data loss and retrieval costs so you can rest easier.
How much desktop capacity does the BarraCuda 3.5-inch reach?
From music to video to photo editing to PC gaming — one drive family across the whole capacity range.
BarraCuda 3.5-inch specifications
Headline specifications for the BarraCuda 3.5-inch line.
| Interface | SATA |
|---|---|
| Maximum capacity | 24TB |
| Form factor | 3.5-inch |
| Representative model | ST8000DM004 (8TB) |
| Caching | Multi-Tier Caching (MTC) — NAND flash, DRAM and media cache |
| Acoustics | Advanced noise-reduction technology for quiet operation |
| Power | Advanced power management for reduced energy consumption |
| Included software | Seagate DiscWizard™ |
| What’s included | BarraCuda 3.5-inch Hard Drive |
| Best for | Desktop PCs, gaming rigs, multimedia editing, everyday tasks |
| Data recovery | Rescue Services available |
| Limited warranty | 2 years |
Rescue Services help you defend against data loss and retrieval costs when the unexpected happens, and are not available in all countries. Contact a BlueAlly specialist for the exact capacity and SKU for your build.
How does the BarraCuda 3.5-inch compare with the 2.5-inch drive?
Both share Multi-Tier Caching, DiscWizard migration software and the same two-year limited warranty. The form factor decides where each one fits.
| BarraCuda 2.5-inch | BarraCuda 3.5-inch | |
|---|---|---|
| Best for | Laptops, ultra-thin notebooks, external enclosures, compact desktops, all-in-one PCs | Desktop PCs, gaming rigs, new builds and upgrades |
| Maximum capacity | 5TB | 24TB |
| Form factor options | 7mm (500GB–2TB) and 15mm (3TB, 4TB, 5TB) | 3.5-inch |
| Interface | SATA | SATA |
| Caching | Multi-Tier Caching (MTC) — NAND flash, DRAM and media cache | Multi-Tier Caching (MTC) — NAND flash, DRAM and media cache |
| Representative model | ST5000LM000 (5TB) | ST8000DM004 (8TB) |
| Migration software | Seagate DiscWizard™ included | Seagate DiscWizard™ included |
| Rescue Services | Available | Available |
| Limited warranty | 2 years | 2 years |
Which internal drives are alternatives to the BarraCuda 3.5-inch?
BarraCuda is the desktop and laptop line. These are the purpose-built alternatives for other workloads.
BarraCuda 3.5-inch installation guides
Guidance on choosing, installing and getting the most from an internal drive.
BarraCuda 3.5-inch hard drive: frequently asked questions
Get answers to all your questions about the BarraCuda Internal Hard Drive, from setup and compatibility to performance and capacity.
Built on proven reliability and innovation, BarraCuda® 3.5-inch hard drives are available in a wide range of capacity and price point options to fit all desktop computing storage needs and budgets. They deliver massive storage for desktops, offering up to 24TB of capacity.
Installing the BarraCuda Hard Drive is simple. Open your PC case, locate an available 3.5-inch drive bay and securely mount the drive. Connect the SATA data cable to your motherboard and the SATA power cable from your power supply. Close the case, power up your PC and format the drive in your OS to start using it.
The BarraCuda desktop hard drive is designed for quiet operation, thanks to advanced noise-reduction technology. While not completely silent, it runs with minimal noise, making it ideal for desktops where low sound levels are important for a comfortable computing experience.
Yes. The BarraCuda Hard Drive is power-efficient. It uses advanced power management features to reduce energy consumption without sacrificing performance, making it an eco-friendly choice for desktops. Its design also ensures lower heat output.
All hard drives in the BarraCuda family come equipped with Multi-Tier Caching Technology (MTC). By optimizing data flow with intelligent layers of NAND Flash, DRAM and media cache technologies, you get faster load and application times and improved read and write performance.
Use it as a go-to SATA hard drive solution for nearly every PC application — from music to video to photo editing to PC gaming. It suits both upgrades and new builds, handling gaming, multimedia editing and everyday tasks.
Yes. DiscWizard software makes it easy to add new drives to your computer, guiding you through steps to clone your current drive to your new Seagate drive, create and format partitions, transfer data and back up data for increased security.
A two-year limited warranty for long-term peace of mind. For more than 20 years Seagate has manufactured and delivered the reliable BarraCuda family, and offers robust limited warranties on all BarraCuda drives.
Our storage specialists are here to help. BlueAlly (DiskDataWorks.com) is an authorized Seagate reseller — call 844-356-5142 or request a quote online.
Buy a BarraCuda 3.5-inch drive from an authorized reseller
Our storage specialists are here to help you find the right drive for your system. Request BarraCuda 3.5-inch capacity and form-factor guidance plus authorized-reseller pricing from BlueAlly.
Form-factor and thickness compatibility check (7mm or 15mm)
Capacity sizing for your library and growth
Migration guidance with Seagate DiscWizard
Authorized-reseller pricing with full warranty coverage
Talk to an Expert
with a BlueAlly Solution Architect