The 4TB SkyHawk Surveillance SATA III 3.5" Internal Hard Drive from Seagate is designed to withstand the stresses placed on it in a 24/7 surveillance system with 1 to 16 drive bays. With support for up to 64 high-definition surveillance cameras, this 4TB hard drive can hold a large amount of data and gives you the ability to upgrade and expand your security system.

A SATA III 6 Gb/s interface, sustained data transfer speeds of up to 180 MB/s, and a 256MB cache all help to ensure uninterrupted data transfers. Furthermore, the drive's 600,000 load/unload cycles, 1 million hours MTBF and workload rating of 180TB per year, and <1 in 1014 non-recoverable read errors also help to ensure a long operational life.

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Optimized for DVRs and NVRs, SkyHawk surveillance drives are tuned for 24/7 workloads. Equipped with enhanced ImagePerfect firmware, SkyHawk helps to minimize dropped frames and downtime with a workload rating of 180TB per year. It can operate with 24/7 surveillance-optimized workloads (8760 hours per year), is ready to record up to 90% of the time, and play back 10% of the time while supporting up to 64 HD cameras.
Reliability & Durability
SkyHawk's workload rating, low power consumption, and NVR-ready design can help improve long-term drive reliability. SkyHawk can also perform in operating temperatures from 32 to 158°F, while tarnish-resistant components offer further protection out in the field against environmental elements.
Multi-Drive Ready
SkyHawk is built to scale with your needs and performs well in multi-drive systems. Multi-drive surveillance systems can rely on the SkyHawk's RAID-optimized hardware, keeping drives and systems in the field longer by improving vibration tolerance.
1 Million Hours MTBF
A Mean Time Between Failures (MTBF) rating of 1 million hours represents an improved total cost of ownership (TCO) with reduced maintenance costs.
Lower Power Consumption
Lower power consumption means a reduction in heat emissions, which improves reliability in surveillance solutions.

Seagate Expansion desktop drive, add-on storage for your PC and Mac The Seagate Expansion desktop drive provides extra storage for your ever-growing collection of files. Instantly add space for more files, consolidate all of your files to a single location, or free up space on your computer’s internal drive to help improve performance. Setup is straightforward; simply plug in the included power supply and USB cable, and you are ready to go. It is automatically recognized by the Windows® or Mac operating system, so there is no software to install and nothing to configure. Saving files is easy too—just drag-and-drop. Take advantage of the fast data transfer speeds with the USB 3.0 interface by connecting to a USB 3.0 port. Plus, Seagate Expansion comes with Rescue Data Recovery Services for additional peace of mind.

One Touch Hub

Let’s face it, life’s busy. And backing up digital memories is always on the to-do list. Check it off — with One Touch Hub.


Password-protected storage with a front-facing USB-C and USB 3.0 port lets you quickly backup files AND charge multiple devices simultaneously.

Windows and Mac compatibility, file mirroring, and capacities that store countless photos and more make this task a thing of the past.

One Touch Hub

Let’s face it, life’s busy. And backing up digital memories is always on the to-do list. Check it off — with One Touch Hub.


Password-protected storage with a front-facing USB-C and USB 3.0 port lets you quickly backup files AND charge multiple devices simultaneously.

Windows and Mac compatibility, file mirroring, and capacities that store countless photos and more make this task a thing of the past.

StoreJet 35T3 (USB 3.0)
The StoreJet 35T3 not only supports the next-generation USB 3.0 standard that boosts data transfer rates, but also offers enormous storage space for a seemingly endless amount of large files. You now have a much faster and easier way to store your digital content!

One Touch Hub

Let’s face it, life’s busy. And backing up digital memories is always on the to-do list. Check it off — with One Touch Hub.


Password-protected storage with a front-facing USB-C and USB 3.0 port lets you quickly backup files AND charge multiple devices simultaneously.

Windows and Mac compatibility, file mirroring, and capacities that store countless photos and more make this task a thing of the past.

Seagate Expansion desktop drive, add-on storage for your PC and Mac

The Seagate Expansion desktop drive provides extra storage for your ever-growing collection of files. Instantly add space for more files, consolidate all of your files to a single location, or free up space on your computer’s internal drive to help improve performance.

Setup is straightforward; simply plug in the included power supply and USB cable, and you are ready to go.

It is automatically recognized by the Windows or Mac operating system, so there is no software to install andnothing to configure.

Saving files is easy too—just drag-and-drop.

Take advantage of the fast data transfer speeds with the USB 3.0 interface by connecting to a USB 3.0 port.

Seagate Expansion desktop drive, add-on storage for your PC and Mac

The Seagate Expansion desktop drive provides extra storage for your ever-growing collection of files. Instantly add space for more files, consolidate all of your files to a single location, or free up space on your computer’s internal drive to help improve performance.

Setup is straightforward; simply plug in the included power supply and USB cable, and you are ready to go.

It is automatically recognized by the Windows or Mac operating system, so there is no software to install andnothing to configure.

Saving files is easy too—just drag-and-drop.

Take advantage of the fast data transfer speeds with the USB 3.0 interface by connecting to a USB 3.0 port.

SkyHawk™ leverages Seagate's extensive experience in designing drives purpose-built for surveillance applications. ImagePerfect™ firmware is designed to ensure seamless video footage capture in 24×7 surveillance workloads1 that record video from 64 HD cameras. SkyHawk Health Management actively helps protect your surveillance storage by focusing on prevention, intervention, and recovery options.2 Included is RAID RapidRebuild™, which provides 3× faster volume rebuilds over traditional RAID rebuilds. Unparalleled data protection with included 3-year Rescue Data Recovery Services plan, helping protect important video data with Seagate's in-house data recovery services. RV sensors built in allow drives to maintain performance in multi-bay systems, giving customers the flexibility to scale their systems when more storage is needed. ATA streaming support enables recordings from up to 64 HD cameras for smooth, uninterrupted footage. 1 M hours MTBF, 3-year limited warranty represents an improved total cost of ownership (TCO) with reduced maintenance costs. Lower power consumption means a reduction in heat emissions, which improves reliability in surveillance solutions. Tarnish-resistant components help protect drive from environmental elements, increasing field reliability.

SkyHawk™ leverages Seagate's extensive experience in designing drives purpose-built for surveillance applications. ImagePerfect™ firmware is designed to ensure seamless video footage capture in 24×7 surveillance workloads1 that record video from 64 HD cameras. SkyHawk Health Management actively helps protect your surveillance storage by focusing on prevention, intervention, and recovery options.2 Included is RAID RapidRebuild™, which provides 3× faster volume rebuilds over traditional RAID rebuilds. Unparalleled data protection with included 3-year Rescue Data Recovery Services plan, helping protect important video data with Seagate's in-house data recovery services. RV sensors built in allow drives to maintain performance in multi-bay systems, giving customers the flexibility to scale their systems when more storage is needed. ATA streaming support enables recordings from up to 64 HD cameras for smooth, uninterrupted footage. 1 M hours MTBF, 3-year limited warranty represents an improved total cost of ownership (TCO) with reduced maintenance costs. Lower power consumption means a reduction in heat emissions, which improves reliability in surveillance solutions. Tarnish-resistant components help protect drive from environmental elements, increasing field reliability

The essential addition to SSD-based laptops and all-in-one computers with limited storage capacity, the latest d2 USB-C desktop drive massively expands capacity for professional bandwidth intensive creative applications.

The LaCie d2 Professional performs perfectly on Macs and PCs alike and also features Seagate IronWolf Pro enterprise-class hard drives for industry-leading performance and reliability

The essential addition to SSD-based laptops and all-in-one computers with limited storage capacity, the latest d2 USB-C desktop drive massively expands capacity for professional bandwidth intensive creative applications.

The LaCie d2 Professional performs perfectly on Macs and PCs alike and also features Seagate IronWolf Pro enterprise-class hard drives for industry-leading performance and reliability

Seagate Expansion desktop drive, add-on storage for your PC and Mac The Seagate® Expansion desktop drive provides extra storage for your ever-growing collection of files. Add space for more files instantly, consolidate all your files to a single location, or free up space on your computer’s internal drive for improved performance.

Set-up is straightforward. Simply plug in the included power supply and USB cable and you are ready to go. It is automatically recognised by the Windows® or Mac operating system. Saving files is easy too — just use the included Seagate Toolkit backup software for on-demand and automatic backup of your Windows files

Take advantage of the fast data transfer speeds with the USB 3.0 interface by connecting to a USB 3.0 port.

Plus, Seagate Expansion comes with Rescue Data Recovery Services1 for additional peace of mind.

The StoreJet 35T3 not only supports the next-generation USB 3.1 Gen 1 standard that boosts data transfer rates, but also offers enormous storage space for a seemingly endless amount of large files. You now have a much faster and easier way to store your digital content! Vertically-oriented design to save desk space Slim, vertically-oriented, and featuring a streamlined design, the StoreJet 35T3 is not only your storage companion, but also an ideal decoration. One touch auto-backup Back up and synchronize data anytime with the Transcend Elite software by simply pressing the one-touch backup button. Up to 8TB capacious storage The StoreJet 35T3 boasts up to 8TB of enormous storage space, satisfying your need for storing and backing up your system files or any digital contents.

The essential addition to SSD-based laptops and all-in-one computers with limited storage capacity, the latest d2 USB-C desktop drive massively expands capacity for professional bandwidth intensive creative applications.

The LaCie d2 Professional performs perfectly on Macs and PCs alike and also features Seagate IronWolf Pro enterprise-class hard drives for industry-leading performance and reliability

The essential addition to SSD-based laptops and all-in-one computers with limited storage capacity, the latest d2 USB-C desktop drive massively expands capacity up to 20 TB for professional bandwidthintensive creative applications. The LaCie® d2 Professional performs perfectly on Macs and PCs alike and also features Seagate IronWolf Pro enterprise-class hard drives for industry-leading performance and reliability.

Versatile, Fast and Dependable
BarraCuda leads the industry with the highest capacities for desktops and mobile computers. With drives available up to 10 TB, the BarraCuda portfolio is a great option for upgrades at any price point. The uncompromising BarraCuda Pro marries industry-leading storage capacity with 7,200-RPM spin speeds for snappy performance and load times when gaming or performing heavy workloads. BarraCuda Pro also comes equipped with a 5-year limited warranty.

Amazing Versatility
Get the most out of your storage with BarraCuda hard drives. From computers full of photos and memories to gaming PCs that need more room to play, BarraCuda grows with you.

3.5-Inch BarraCuda Hard Drives Deliver!
Rock-solid reliability built on over 20 years of BarraCuda innovation. Versatile mix of capacity and price point options to fit any budget. Multi-Tier Caching Technology™ for excellent hard drive performance

Introducing the All-New BarraCuda Pro 3.5-Inch Hard Drive!
The BarraCuda Pro is a creative professional’s and tech enthusiast’s dream. Equipped with 7,200 RPM makes the BarraCuda Pro the fastest 10 TB desktop drive available. Large cache size pushes your PC to new performance heights so you can load applications and files even faster. Plus the BarraCuda Pro is backed by a best-in-class, 5-year limited warranty for your peace of mind.

Introducing the All-New BarraCuda Pro 3.5-Inch Hard Drive!
The BarraCuda Pro is a creative professional’s and tech enthusiast’s dream. Equipped with 7,200 RPM makes the BarraCuda Pro the fastest 10 TB desktop drive available. Large cache size pushes your PC to new performance heights so you can load applications and files even faster. Plus the BarraCuda Pro is backed by a best-in-class, 5-year limited warranty for your peace of mind.

Multi-Tier Caching Technology
All hard drives in the BarraCuda family come equipped with Multi-Tier Caching Technology (MTC). MTC takes your PC to new performance levels, so you can load applications and files faster than ever before. By applying intelligent layers of NAND Flash, DRAM and media cache technologies, BarraCuda delivers improved read and write performance by optimising data flow.

Multi-Tier Caching Technology White Paper

BarraCuda Pro Comes With Rescue Data Recovery Plans
Your data matters. And you rely on it. Rescue Data Recovery Plans provide peace of mind for creative pros and performance PC users alike, and now they come standard on BarraCuda Pro. Whether there is a hard drive mechanical issue or something accidently happened to your drive, Seagate has got you covered. A Rescue Data Recovery Plan gives you access to experienced data recovery experts who deliver a 95% customer satisfaction rating. Purchase a BarraCuda Pro drive and you are covered for 2 years—that’s 2 years you don’t ever have to worry about the data on your hard drive.

Trusted Dependability
The BarraCuda family of reliable hard drives is here to stay, for years to come.

Experience — For more than 20 years, Seagate has manufactured and delivered the super-reliable BarraCuda family of drives BarraCuda — Seagate's drive-reliability data simply speaks for itself, and the BarraCuda family is often recognised by leading publications and customers. Worry less with a hard drive that has your back — BarraCuda Pro comes equipped with a 5-year limited warranty.

The essential addition to SSD-based laptops and all-in-one computers with limited storage capacity, the latest d2 USB-C desktop drive massively expands capacity for professional bandwidth intensive creative applications.

The LaCie d2 Professional performs perfectly on Macs and PCs alike and also features Seagate IronWolf Pro enterprise-class hard drives for industry-leading performance and reliability