The Best Internal Hard Drives 2025

1. WD - Purple Pro 12TB Surveillance Internal Hard Drive

WD Purple drives are designed to meet the challenges of 24x7 video surveillance recording. These drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system. With WD Purple drives, you get reliable, surveillance-class storage that’s tested for compatibility in a wide range of security systems. Exclusive AllFrame technology helps reduce frame loss and improve overall video playback.

2. WD - Purple Pro 10TB Surveillance Internal Hard Drive

WD Purple drives are designed to meet the challenges of 24x7 video surveillance recording. These drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system. With WD Purple drives, you get reliable, surveillance-class storage that’s tested for compatibility in a wide range of security systems. Exclusive AllFrame technology helps reduce frame loss and improve overall video playback.

3. WD - Blue 1TB PC Internal Hard Drive for Laptops

Store important games, videos, music, and more on this Western Digital Blue series hard drive. Its 2.5-inch form factor makes it suitable for use in laptops or notebooks. This 1TB Western Digital Blue series hard drive runs at 5400 rpm for decreased heat and power consumption.

4. WD - Blue 2TB PC Internal Hard Drive for Laptops

Store games, videos, music, and more on this Western Digital Blue series hard drive. Its 2.5-inch form factor makes it suitable for use in laptops or notebooks. This 2TB Western Digital Blue series hard drive runs at 5400 rpm for decreased heat and power consumption.

5. WD - Blue 2TB PC Internal Hard Drive for Desktops

Enhance your desktop with this WD Blue Mainstream Internal Serial ATA (SATA) Hard Drive, which features a 64MB cache buffer for rapid processing speed. Ideal for use as primary drives in desktop PCs and for office applications. With a range of capacities to store photos, movies and more, there’s a drive that’s just right for you.

6. WD - Red Plus 10TB NAS Internal Hard Drive

WD Red Plus internal HDDs are designed to handle workloads for power users and small to medium business NAS environments. WD Red Plus drives deliver the speed and capacity required to store, protect and share growing amounts of data in mid-sized RAID-optimized NAS systems with increased power efficiency. Compatibility RAID-optimized NAS systems with up to 8 bays Product Features

WD Red Plus NAS internal hard drives are designed with CMR technology for RAID-optimized NAS systems with up to eight bays. Perfect for handling increased workloads associated with small- to medium-sized business environments, including expanded OS compatibility and ZFS.

7. WD - BLACK 8TB Gaming Internal Hard Drive

Upgrade today with the latest generation of the WD_BLACK Gaming Hard Drive for the capacity you need and the performance you want. Available with up to 256 MiB of DRAM cache on higher-capacity models, WD_BLACK Gaming Hard Drives are optimized for performance so you can spend more time playing the games you love most. Combine WD_BLACK Gaming Hard Drive with a WD_BLACK SSD for a dual-drive configuration, enabling additional caching of the operating system onto the SSD for even greater PC gaming performance. All together, upgrading your older or slower hard drive to the latest generation of WD_BLACK HDDs gives you speedy performance, high capacities, and industry-leading 5-year limited warranty for an inspiring three-in-one storage solution.

8. WD - Purple 8TB Surveillance Internal Hard Drive

WD Purple drives are designed to meet the challenges of 24x7 video surveillance recording. These drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system. With WD Purple drives, you get reliable, surveillance-class storage that’s tested for compatibility in a wide range of security systems. Exclusive AllFrame™ technology helps reduce frame loss and improve overall video playback. Compatibility Up to 64 HD cameras Up to 16 drive bays AllFrame firmware technology Product Features

WD Purple drives are designed to meet the challenges of 24x7 video surveillance recording. These drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system. With WD Purple drives, you get reliable, surveillance-class storage that’s tested for compatibility in a wide range of security systems. Exclusive AllFrame technology helps reduce frame loss and improve overall video playback.

9. WD - Red Pro 20TB NAS Internal Hard Drive

WD Red Pro drives are engineered to handle high-intensity workloads in 24×7 multi-user commercial and enterprise NAS environments. WD Red Pro drives deliver the performance, scalability and dependability businesses require to store, share and collaborate on large amounts of data in multi-bay RAID-optimized NAS systems.

10. WD - Red Pro 18TB NAS Internal Hard Drive

Designed for power users to medium-sized organizations in RAID-optimized NAS systems with up to 24 bays. Perfect for archiving, sharing, and protecting rapidly growing amounts of data.