3.5 Inch Hard Drives

Looking to expand your storage capacity for your photography, videography, or music projects? Look no further than our selection of 3.5-inch hard drives. These reliable and high-performance storage solutions... are perfect for storing large files, backing up important data, and keeping your digital content safe and secure. With a range of capacities and speeds available, you'll find the perfect hard drive to meet your needs and keep your creative projects running smoothly.
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Seagate BarraCuda SATA III 3.5" Internal Hard Drive

Seagate BarraCuda SATA III 3.5" Internal Hard Drive

SKU: SET2000DM008
(30)

DESCRIPTION

A 2TB 3.5" hard drive with SATA 6Gb/s interface, 7200 RPM spin speed, and reliable performance.

Pros
  • Fast speed
  • Large storage capacity
  • Affordable price
  • Easy installation
  • Reliable performance
$64.99
KEY FEATURES
  • Brand: seagate

DESCRIPTION

A 2TB 3.5" hard drive with SATA 6Gb/s interface, 7200 RPM spin speed, and reliable performance.
Synology HAT5300 3.5" SATA III Enterprise Hard Drive

Synology HAT5300 3.5" SATA III Enterprise Hard Drive

SKU: SYHAT530012T
(5)

DESCRIPTION

A reliable and high-performance 12TB SATA III enterprise hard drive optimized for Synology servers with automatic firmware updates and persistent write cache technology.

$449.99
$75 /mo suggested payments with 6‑month special financing. Learn how.
KEY FEATURES
  • Brand: synology

DESCRIPTION

A reliable and high-performance 12TB SATA III enterprise hard drive optimized for Synology servers with automatic firmware updates and persistent write cache technology.
Seagate IronWolf SATA III 3.5" Internal NAS Hard Drive

Seagate IronWolf SATA III 3.5" Internal NAS Hard Drive

SKU: SET12000VN08
(29)

DESCRIPTION

A 12TB SATA III hard drive optimized for NAS with AgileArray, RV sensors, and IronWolf Health Management.

Pros
  • Large storage capacity
  • High speed performance
  • Reliable quality
$249.99
$259.99 Save: $10.00 (4%)
$42 /mo suggested payments with 6‑month special financing. Learn how.
KEY FEATURES
  • Brand: seagate

DESCRIPTION

A 12TB SATA III hard drive optimized for NAS with AgileArray, RV sensors, and IronWolf Health Management.
WD Red Plus 3.5" SATA III Internal NAS Hard Drive

WD Red Plus 3.5" SATA III Internal NAS Hard Drive

SKU: WD20EFPX
(74)

DESCRIPTION

A reliable and efficient 3.5" SATA III internal hard drive designed for NAS systems with up to 12TB capacity.

Pros
  • Efficient performance
  • Excellent performance
  • Great value for the price
  • Easy to install
  • Reliable and works as expected
$79.99
$179.99 Save: $100.00 (56%)
KEY FEATURES
  • Brand: wd

DESCRIPTION

A reliable and efficient 3.5" SATA III internal hard drive designed for NAS systems with up to 12TB capacity.
Seagate BarraCuda SATA III 3.5" Internal Hard Drive

Seagate BarraCuda SATA III 3.5" Internal Hard Drive

SKU: SET3000DM007
(30)

DESCRIPTION

A 3TB 3.5" hard drive with a SATA 6Gb/s interface, 5400 RPM spin speed, and reliable performance.

Pros
  • Works well
  • Easy installation
  • Matches description
$84.99
KEY FEATURES
  • Brand: seagate

DESCRIPTION

A 3TB 3.5" hard drive with a SATA 6Gb/s interface, 5400 RPM spin speed, and reliable performance.
Seagate IronWolf SATA III 3.5" Internal NAS Hard Drive

Seagate IronWolf SATA III 3.5" Internal NAS Hard Drive

SKU: SET10000VN00
(29)

DESCRIPTION

A scalable 10TB SATA III 3.5" internal NAS hard drive designed for connected-home, SOHO, and small-to-medium business NAS environments.

$249.99
$42 /mo suggested payments with 6‑month special financing. Learn how.
KEY FEATURES
  • Brand: seagate

DESCRIPTION

A scalable 10TB SATA III 3.5" internal NAS hard drive designed for connected-home, SOHO, and small-to-medium business NAS environments.
Seagate IronWolf Pro SATA III 3.5" Internal NAS Hard Drive, 2-Pack

Seagate IronWolf Pro SATA III 3.5" Internal NAS Hard Drive, 2-Pack

SKU: SET8000NT02X
(28)

DESCRIPTION

A reliable and scalable 8TB hard disk drive designed for commercial and enterprise NAS systems.

$469.98
$79 /mo suggested payments with 6‑month special financing. Learn how.
KEY FEATURES
  • Brand: seagate

DESCRIPTION

A reliable and scalable 8TB hard disk drive designed for commercial and enterprise NAS systems.
Seagate 8TB 3.5" Expansion Desktop USB 3.0 External Hard Drive

Seagate 8TB 3.5" Expansion Desktop USB 3.0 External Hard Drive

SKU: SETKP8400
(94)

DESCRIPTION

A black 8TB external hard drive with USB 3.0 interface for easy file storage and transfer.

Pros
  • Perfect functionality
  • Large storage capacity
  • Complete backup
  • Affordable price
  • Great performance
$169.99
KEY FEATURES
  • Brand: seagate

DESCRIPTION

A black 8TB external hard drive with USB 3.0 interface for easy file storage and transfer.
Seagate 12TB 3.5" Expansion Desktop USB 3.0 External Hard Drive

Seagate 12TB 3.5" Expansion Desktop USB 3.0 External Hard Drive

SKU: SETKP12400
(94)

DESCRIPTION

A 12TB external hard drive in black, with USB 3.0 interface for fast data transfer and easy setup.

Pros
  • Fast data transfer speed
  • Large storage capacity
  • Sleek and stylish design
  • Easy to use
  • Quiet operation
  • Reliable performance
$299.99
$50 /mo suggested payments with 6‑month special financing. Learn how.
KEY FEATURES
  • Brand: seagate

DESCRIPTION

A 12TB external hard drive in black, with USB 3.0 interface for fast data transfer and easy setup.
Seagate Expansion 6TB USB 3.0 3.5" External Hard Drive

Seagate Expansion 6TB USB 3.0 3.5" External Hard Drive

SKU: STKP6400
(94)

DESCRIPTION

A 6TB external hard drive in black, with USB 3.0 interface for easy file storage and backup.

$159.99
KEY FEATURES
  • Brand: seagate

DESCRIPTION

A 6TB external hard drive in black, with USB 3.0 interface for easy file storage and backup.
Seagate Expansion 4TB USB 3.0 3.5" External Hard Drive

Seagate Expansion 4TB USB 3.0 3.5" External Hard Drive

SKU: STKP4400
(94)

DESCRIPTION

A 4TB black external hard drive with USB interface for easy plug-and-play storage expansion on Mac and PC.

$119.99
KEY FEATURES
  • Brand: seagate

DESCRIPTION

A 4TB black external hard drive with USB interface for easy plug-and-play storage expansion on Mac and PC.
StarTech 3.5" USB 3.0 SATA III External Hard Drive Enclosure with UASP, Silver

StarTech 3.5" USB 3.0 SATA III External Hard Drive Enclosure with UASP, Silver

SKU: STS3510SMU33
(73)

DESCRIPTION

A Silver USB 3.0 SATA III external hard drive enclosure with UASP for faster file transfers.

Pros
  • Prevents discs from sleeping
  • Successfully saved data
  • Great enclosure
$60.99
KEY FEATURES
  • Brand: startech

DESCRIPTION

A Silver USB 3.0 SATA III external hard drive enclosure with UASP for faster file transfers.
WD Blue 3.5" SATA III Internal Desktop Hard Drive

WD Blue 3.5" SATA III Internal Desktop Hard Drive

SKU: WD40EZAXE
(62)

DESCRIPTION

A reliable 8TB 3.5" SATA III HDD 2-pack in blue, ideal for desktop storage expansion.

$169.98
KEY FEATURES
  • Brand: wd

DESCRIPTION

A reliable 8TB 3.5" SATA III HDD 2-pack in blue, ideal for desktop storage expansion.
WD Purple 3.5" SATA III Internal Surveillance Hard Drive

WD Purple 3.5" SATA III Internal Surveillance Hard Drive

SKU: WD64PURZ
(42)

DESCRIPTION

A reliable, surveillance-class hard drive with enhanced workload ratings and All Frame technology for improved video playback.

$149.99
KEY FEATURES
  • Brand: wd

DESCRIPTION

A reliable, surveillance-class hard drive with enhanced workload ratings and All Frame technology for improved video playback.
WD My Book Duo 16TB (2x 8TB) Two-Bay External Desktop RAID Storage Array

WD My Book Duo 16TB (2x 8TB) Two-Bay External Desktop RAID Storage Array

SKU: WDBFBE160JBK
(36)

DESCRIPTION

A massive 16TB external desktop RAID storage array with USB 3.1 and USB 3.0 connectivity, supporting RAID 0, 1, and JBOD configurations.

Pros
  • RAID functionality
  • Good value for money
  • Easy installation and setup
  • Reliable
  • Great performance
$469.99
$79 /mo suggested payments with 6‑month special financing. Learn how.
KEY FEATURES
  • Brand: wd

DESCRIPTION

A massive 16TB external desktop RAID storage array with USB 3.1 and USB 3.0 connectivity, supporting RAID 0, 1, and JBOD configurations.
WD Red Pro 3.5" SATA III Internal NAS Hard Drive

WD Red Pro 3.5" SATA III Internal NAS Hard Drive

SKU: WD2002FFSX
(33)

DESCRIPTION

A high-performance, reliable hard drive with up to 22TB capacity, designed for 24x7 multi-user NAS environments.

Pros
  • Strong warranty
  • Easy installation
  • Excellent customer support
  • Reliable performance
  • Good value for price
$99.99
KEY FEATURES
  • Brand: wd

DESCRIPTION

A high-performance, reliable hard drive with up to 22TB capacity, designed for 24x7 multi-user NAS environments.
LaCie d2 Professional 3.5" 4TB External Desktop Drive, 7200RPM, USB 3.1 Type C

LaCie d2 Professional 3.5" 4TB External Desktop Drive, 7200RPM, USB 3.1 Type C

SKU: VDLSTHA40800
(32)

DESCRIPTION

A high-performance, 4TB external desktop drive with USB-C connectivity, ideal for storing large photo libraries and video footage.

Pros
  • Good price
  • Dependability
  • Fast storage
  • Easy set-up
  • Performance
$184.99
KEY FEATURES
  • Brand: lacie

DESCRIPTION

A high-performance, 4TB external desktop drive with USB-C connectivity, ideal for storing large photo libraries and video footage.
StarTech USB 3.0 SATA Hard Drive Duplicator and Eraser Dock

StarTech USB 3.0 SATA Hard Drive Duplicator and Eraser Dock

SKU: STTDOCK2REU3
(24)

DESCRIPTION

A USB 3.0 dock that duplicates and erases 2.5in/3.5in SATA HDDs/SSDs with standalone sector-by-sector duplication and single pass overwrite.

Pros
  • Ability to clone/duplicate hard drives
  • Fast duplication
  • Affordable
  • Easy to use
  • Reliable
$92.99
KEY FEATURES
  • Brand: startech

DESCRIPTION

A USB 3.0 dock that duplicates and erases 2.5in/3.5in SATA HDDs/SSDs with standalone sector-by-sector duplication and single pass overwrite.
WD _BLACK 3.5" SATA III Internal Gaming Hard Drive

WD _BLACK 3.5" SATA III Internal Gaming Hard Drive

SKU: WD102FZBXSPC
(17)

DESCRIPTION

A high-performance 10TB SATA III gaming hard drive with 512MB cache and 7200 RPM spin speed.

$269.99
$45 /mo suggested payments with 6‑month special financing. Learn how.
KEY FEATURES
  • Brand: wd

DESCRIPTION

A high-performance 10TB SATA III gaming hard drive with 512MB cache and 7200 RPM spin speed.
StarTech 3.5" USB 3.0 SATA III External Hard Drive Enclosure with UASP

StarTech 3.5" USB 3.0 SATA III External Hard Drive Enclosure with UASP

SKU: STS3510BMU33
(3)

DESCRIPTION

A High-performance USB 3.0 enclosure for 3.5" SATA III hard drives, with UASP for faster transfer speeds.

$63.99
KEY FEATURES
  • Brand: startech

DESCRIPTION

A High-performance USB 3.0 enclosure for 3.5" SATA III hard drives, with UASP for faster transfer speeds.
Seagate SkyHawk AI SATA III 3.5" Internal Hard Drive

Seagate SkyHawk AI SATA III 3.5" Internal Hard Drive

SKU: SEST200VE003
(2)

DESCRIPTION

A high-capacity, SATA III 3.5" internal hard drive optimized for AI video analytics and imaging applications.

$349.99
$449.99 Save: $100.00 (22%)
$59 /mo suggested payments with 6‑month special financing. Learn how.
KEY FEATURES
  • Brand: seagate

DESCRIPTION

A high-capacity, SATA III 3.5" internal hard drive optimized for AI video analytics and imaging applications.
WD Purple Pro 3.5" SATA III Internal Surveillance Hard Drive

WD Purple Pro 3.5" SATA III Internal Surveillance Hard Drive

SKU: WD181PURP
(2)

DESCRIPTION

A reliable, high-performance hard drive optimized for advanced AI-enabled recorders and video analytics servers.

$379.99
$64 /mo suggested payments with 6‑month special financing. Learn how.
KEY FEATURES
  • Brand: wd

DESCRIPTION

A reliable, high-performance hard drive optimized for advanced AI-enabled recorders and video analytics servers.
Synology HAT3300 Plus Series 3.5" SATA III Internal Hard Drive

Synology HAT3300 Plus Series 3.5" SATA III Internal Hard Drive

SKU: SYHAT33004T
(1)

DESCRIPTION

A reliable 4TB SATA III internal hard drive designed for 24/7 storage in small and medium-sized business systems.

$109.99
KEY FEATURES
  • Brand: synology

DESCRIPTION

A reliable 4TB SATA III internal hard drive designed for 24/7 storage in small and medium-sized business systems.
StarTech 3.5" Universal Hard Drive Mounting Bracket Adapter for 5.25" Bay

StarTech 3.5" Universal Hard Drive Mounting Bracket Adapter for 5.25" Bay

SKU: STBRACKET
(1)

DESCRIPTION

A durable all-metal mounting bracket kit for installing 3.5" hard drives into unused 5.25" bays.

$8.99
KEY FEATURES
  • Brand: startech

DESCRIPTION

A durable all-metal mounting bracket kit for installing 3.5" hard drives into unused 5.25" bays.
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3.5 Inch Hard Drives

When selecting storage solutions for your desktop workstation, home server, or creative studio, the 3.5 inch hard drive continues to be a staple for those who require ample capacity, reliability, and cost-effective performance. These drives are particularly well-suited for users who manage large volumes of data—think professional photographers archiving high-resolution images, videographers editing 4K footage, or small business owners safeguarding years of records. The summer months often inspire ambitious projects, from organizing sprawling digital photo libraries to setting up a home media server to enjoy movies and music during long evenings. Whether you're building a new desktop PC or upgrading an existing NAS, the 3.5 inch internal hard drive offers a practical blend of speed, endurance, and storage space that can accommodate even the most demanding workflows.

As you browse through options, you'll notice a range of capacities, from everyday models to high-capacity drives like the 10tb hard drive or even the colossal 16tb hard drive. These larger drives are invaluable for users who need to store massive datasets, such as content creators, IT professionals, or anyone managing backups for multiple systems. For home users, a 3.5 inch SATA hard drive is often the backbone of a personal cloud, allowing seamless access to family photos, important documents, and entertainment libraries from any device in the house. For creative professionals, having a robust, high-capacity drive means less time spent juggling files and more time focusing on the work that matters. And for those who love to tinker, a 3.5 hard drive is the perfect upgrade for an older desktop or a DIY server build, breathing new life into trusted hardware. With the right enclosure, these drives are also a thoughtful gift for students heading off to college, hobbyists building their first PC, or anyone who values the peace of mind that comes from secure, local storage.

When making your choice, consider not only the capacity but also factors like rotational speed, cache size, and interface compatibility to ensure seamless integration with your system. The 3.5 inch form factor is designed for stationary setups, making it ideal for desktops, RAID arrays, and network-attached storage devices where performance and longevity are paramount. Summer is a great time to tackle those long-postponed tech upgrades, whether you're digitizing old memories, setting up a home office, or simply looking to expand your digital horizons. If you're seeking more portable storage or need a drive for a laptop, you might also explore our selection of 500GB Laptop Hard Drives for compact solutions. No matter your storage needs, investing in a quality 3.5 inch hard drive ensures your data remains safe, accessible, and ready for whatever projects the season brings.

Top Picks For 3.5 Inch Hard Drives