The 10 Best Discounts on 3TB External Hard Drives 2021

Browse the 10 best discounts on 3tb external hard drives designed and manufactured by trusted brands. All discounts updated in real-time and all 3tb hard drives, listed here, can be delivered to most popular international destinations.

Sale
WL 3TB 7200RPM 64MB Cache SATA III 6.0Gb/s 3.5" Internal (Enterprise Grade, Heavy Duty) Hard Drive (For RAID, NAS, CCTV DVR, Desktop PC) w/1 Year Warranty
  • 3 Terabyte Capacity, SATA III 6.0Gbps Interface, 64MB Buffer Size, 7200RPM Rotation Speed
  • Maximum capacity, Heavy application workloads, 24x7x365 reliability
  • Datacenter Storage, Enterprise Grade, Excellent Condition
  • Perfect for Desktop PC, Mac, RAID, NAS, Surveillance Storage, CCTV DVR
  • 1 Year Warranty from Reseller, Worry free Return! 100% Full Refund
Sale
Western Digital WD4000FYYZ ENTERPRISE 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5 internal hard drive
  • Western Digital WD4000FYYZ ENTERPRISE 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5 internal hard drive
Sale
Seagate BarraCuda 3TB Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST3000DM007)
  • Store more, compute faster, and do it confidently with the proven reliability of BarraCuda internal hard drives
  • Build a powerhouse gaming computer or desktop setup with a variety of capacities and form factors
  • The 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
  • Compatible devices: Laptop
Sale
Seagate IronWolf 4TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 5900 RPM 64MB Cache for RAID Network Attached Storage – Frustration Free Packaging (ST4000VN008)
  • IronWolf internal hard drives are the ideal solution for up to 8 bay, multi user NAS environments craving powerhouse performance
  • Store more and work faster with a NAS optimized hard drive providing 4TB and cache of up to 64MB
  • Purpose built for NAS enclosures, IronWolf delivers less wear and tear, little to no noise/vibration, no lags or down time, increased file sharing performance, and much more
  • Easily monitor the health of drives using the integrated IronWolf Health Management system and enjoy long term reliability with 1M hours MTBF
Sale
Seagate Portable 4TB External Hard Drive HDD – USB 3.0 for PC, Mac, Xbox, & PlayStation - 1-Year Rescue Service (STGX4000400)
  • Easily store and access 4TB of content on the go with the Seagate Portable Drive, a USB external hard drive
  • Designed to work with Windows or Mac computers, this external hard drive makes backup a snap just drag and drop
  • To get set up, connect the portable hard drive to a computer for automatic recognition no software required
  • This USB drive provides plug and play simplicity with the included 18 inch USB 3.0 cable
Sale
Toshiba Canvio Basics 4TB Portable External Hard Drive USB 3.0, Black - HDTB440XK3CA
  • Sleek profile design with a matte, smudge resistance finish
  • Plug and play; Easy to use with no software to install
  • Quickly add more storage capacity to your PC and other compatible devices
  • USB 3.0 and USB 2.0 compatible with no external AC power cord needed
Sale
WD 4TB My Passport Portable External Hard Drive HDD, USB 3.0, USB 2.0 Compatible, Black - WDBPKJ0040BBK-WESN
  • Slim Design
  • Software for device management and backup with password protection. (Download and installation required. Terms and conditions apply. User account registration may be required.)
  • 256-bit AES hardware encryption
  • SuperSpeed USB port (5Gbps); USB 2.0 compatible
  • 3-year limited warranty
Sale
WD 4TB Elements Portable External Hard Drive HDD, USB 3.0, Compatible with PC, Mac, PS4 & Xbox - WDBU6Y0040BBK-WESN
  • USB 3.0 and USB 2.0 compatibility. Formatted NTFS for Windows 10, Windows 8.1. Reformatting may be required for other operating systems. Compatibility may vary depending on user’s hardware configuration and operating system
  • Fast data transfers
  • Improve PC performance
  • High capacity
Sale
WD 3TB Elements Portable External Hard Drive, USB 3.0, Compatible with PC, Mac, PS4 & Xbox - WDBU6Y0030BBK-WESN
  • USB 3.0 and USB 2.0 Compatibility
  • Fast data transfers
  • Improve PC Performance
  • High Capacity; Compatibility Formatted NTFS for Windows 10, Windows 8.1, Windows 7; Reformatting may be required for other operating systems; Compatibility may vary depending on user’s hardware configuration and operating system
  • 2 year manufacturer's limited warranty
Sale
Seagate IronWolf 3TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 5900 RPM 64MB Cache for RAID Network Attached Storage – Frustration Free Packaging (ST3000VN007) (ST3000VNZ07/VN007)
  • IronWolf internal hard drives are the ideal solution for up to 8 bay, multi user NAS environments craving powerhouse performance
  • Store more and work faster with a NAS optimized hard drive providing 3TB and cache of up to 64MB
  • Purpose built for NAS enclosures, IronWolf delivers less wear and tear, little to no noise/vibration, no lags or down time, increased file sharing performance, and much more
  • Enjoy long term reliability with 1M hours MTBF

Popular 3TB External Hard Drive: