

💾 Power your productivity with storage that keeps up!
The Seagate BarraCuda 4TB internal hard drive offers a perfect balance of high capacity, reliable performance, and quiet operation. Featuring a 3.5-inch form factor, SATA 6Gb/s interface, 5400 RPM speed, and a 256MB cache, it’s designed for desktop PCs handling gaming, media editing, and everyday storage needs. Trusted by millions and backed by decades of innovation, BarraCuda delivers dependable storage that professionals and gamers alike can count on.






















| ASIN | B07D9C7SQH |
| Best Sellers Rank | 892 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 4 in Internal Hard Drives |
| Box Contents | BarraCuda 3.5 4TB, The actual capacity may vary. |
| Brand Name | Seagate |
| Cache Memory Installed Size | 256 |
| Color | BarraCuda |
| Compatible Devices | Desktop |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.6 4.6 out of 5 stars (103,480) |
| Data Transfer Rate | 190 Megabits Per Second |
| Digital Storage Capacity | 4 TB |
| Enclosure Material | Aluminum or Glass |
| Form Factor | 3.5-inch |
| Global Trade Identification Number | 00763649128220 |
| Hard Disk Average Latency | 4.17 Milliseconds |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Form Factor | 3.5 Inches |
| Hard Disk Interface | Serial ATA |
| Hard Disk Rotational Speed | 5400 RPM |
| Hard-Drive Size | 4 TB |
| Hardware Connectivity | SATA 6.0 Gb/s |
| Installation Type | Internal Hard Drive |
| Item Dimensions L x W x Thickness | 14.7L x 10.2W x 2Th centimetres |
| Item Length | 20.22 Millimetres |
| Item Type Name | iHDD |
| Item Weight | 1.21 Pounds |
| Item Width | 101.85 Millimetres |
| Manufacturer | SEAGATE |
| Media Speed | 190 |
| Model Name | BarraCuda |
| Model Number | ST4000DMZ04 |
| Network Connectivity Technology | SATA |
| Number of Items | 1 |
| Product Features | Portable |
| Product Warranty | 3 year manufacturer |
| Read Speed | 190 Megabytes Per Second |
| Specific Uses For Product | Gaming |
| UPC | 763649128220 |
| Unit Count | 1.0 Count |
V**O
Great storage for a good price
The Seagate BarraCuda 8TB 3.5” internal hard drive delivers a lot of storage for the price. Installation was simple in a standard desktop case, and it was immediately recognized with no setup issues. Transfer speeds are solid for a mechanical drive, especially when moving large game files, photos, or project folders. Noise is minimal during normal use. For anyone who needs space for game libraries, media collections, or backups, 8TB goes a long way. It works well as a main storage drive or as a secondary drive alongside an SSD. The BarraCuda line has been reliable for long-term use, and the drive runs cool under load. If you want a large, dependable storage upgrade without paying SSD prices for high capacities, this is a practical option and good value.
R**E
Great value and reliability
Excellent hard drives, this version is ideal for general use/storage. Seagate have allways been reliable and good value
A**L
Excellent Upgrade for My PC!
I recently bought the Seagate Barracuda 1TB HDD on Amazon, and I’m very impressed. The installation was quick and easy, and it worked perfectly right out of the box. With 7200 RPM and 64MB cache, it delivers fast performance for everyday tasks, gaming, and file storage. My system feels more responsive, and I now have plenty of space for all my files. It’s also quiet and runs cool. Great value for the price—highly recommended for anyone needing a reliable internal hard drive!
J**E
Great for casual archival and data dumps
Bought 2 of these to replace older drives, they were easy to install and slimmer than the much smaller capacity drives they replaced. Initial performance seems ok, write speed to a clean drive isn't the fastest but acceptable. These drives are SMR, good for write once read many situations (videos, pictures, old games) but don't use them for data that requires frequent writing/rewriting. Don't put them in RAID or a NAS. Quiet and cool when running but quite loud and slow to wake up, they added a few seconds to my boot times and can briefly hang Windows Explorer when waking up. You get 7.27TB of usuable space after formatting. You only get a 2 year warranty so keep that in mind.
G**S
An excellent hard drive. Just make sure it arrives in the correct transit box with a warranty card.
I have used Seagate Barracudas for 12 years and found them to be a fantastic all-rounder, having great reliability and lifespan. I use them both in the house network drives and the Home Theatre library. I have even committed the cardinal sin of changing the orientation of a set of three year old barracudas from horizontal to vertical, when the library enclosure backplane failed, and they just continued on in the new enclosure with zero errors. Most of my Barracudas run 24/7, and on average they last for 8 years. But even as they get to end-of-life, they have never just failed, they begin throwing up the odd error, to let you know they are almost done. In my experience, you have about three months from the start of the drives giving errors, to more serious problems. But if the drive is around 8 years old, it has pretty much done it's duty. The only thing I would warn you about, is to make sure that the barracuda (or any Seagate hard drive) arrives in the proper Seagate transit box shown in the pictures. This is the official Seagate packaging, and will include the Seagate warranty booklet. I mention this because I was tempted by a supplier that was slightly cheaper than the official Amazon-supplied drive. What I received was a barracuda inside a heat sealed anti-static bag, but it was loosely packaged in a generic cardboard box without a warranty card. These drives are sometimes 'harvested' from other devices, such as Seagate Expansion or Backup units. I returned the drive and bought the slightly more expensive official Amazon-supplied drive, as these always arrive in mint condition. I will not make that mistake again. The official Seagate boxes suspend the hard drive on all sides inside the box, helping to ensure it arrives in perfect working order.
T**R
Still using it after 2 years
Excellent value for the price. From the moment I started using it, I noticed how quiet it is — genuinely almost silent, which makes a big difference during long sessions. Performance-wise, it’s been consistently smooth on my PC with zero issues. No lag, no random problems, just reliable day-to-day use. Everything runs exactly as it should, and it hasn’t let me down once. What stands out most is the durability. I’m writing this after over two years of regular use, and it’s still going strong without any drop in performance. For something in this price range, that level of reliability is impressive. Definitely a solid purchase.
H**A
This is my 3rd time to buy from this brand it works well
J**I
Ho acquistato il Seagate Barracuda 2TB per espandere lo spazio di archiviazione del mio PC, e sono pienamente soddisfatto. Punti positivi: Capacità: Con 2TB, offre ampio spazio per salvare file di grandi dimensioni come video, foto e giochi. Ideale per utenti domestici e professionisti. Affidabilità: La serie Barracuda è nota per la sua durata nel tempo e la qualità costruttiva. Finora, non ho avuto problemi di malfunzionamento. Prestazioni: La velocità di rotazione di 7200 RPM garantisce tempi di accesso e trasferimento dati più rapidi rispetto ai modelli a 5400 RPM, pur rimanendo silenzioso durante il funzionamento. Compatibilità: Funziona perfettamente con Windows e Linux, ed è facile da installare grazie all’interfaccia SATA. Punti da migliorare: Velocità rispetto agli SSD: Essendo un HDD tradizionale, non è veloce quanto un SSD per il sistema operativo o i programmi più esigenti. Tuttavia, è eccellente per l'archiviazione di massa. Conclusione: Il Seagate Barracuda 2TB è un'ottima scelta per chi cerca un HDD affidabile e capiente a un prezzo competitivo. Consigliato per chi necessita di uno storage aggiuntivo senza spendere troppo.
S**H
Works as advertised
C**X
Score: 9.2/10 The Seagate BarraCuda 2TB Internal Hard Drive stands out as a reliable and capacious storage solution for those needing a balance of speed and volume. Its performance and longevity yield a high score of 9.2 out of 10. The main strength of the BarraCuda 2TB drive lies in its ample storage capacity. With 2TB of space, you have more than enough room to store a large collection of games, media files, or work documents. This makes it an excellent choice for gamers, content creators, and professionals alike. Operating at 7200 RPM and featuring a 256MB cache, the drive offers superior speed for an HDD. While not on par with SSDs, it provides robust performance for an HDD, ensuring swift access and transfer of files. The BarraCuda 2TB drive employs the SATA 6Gb/s interface, ensuring compatibility with a wide variety of desktop PCs. Installation is simple and straightforward, making it suitable even for those who are new to building PCs. Seagate is a well-established name in the storage industry, known for its durable and reliable hard drives. The BarraCuda line continues this legacy, providing a hard drive that can be trusted to securely store your data over the long term. While the BarraCuda 2TB drive offers many advantages, it does have a couple of minor limitations. As mentioned, its speed, while good for an HDD, cannot match that of an SSD. Therefore, it might not be the best choice for a primary drive where the operating system and most-used applications are installed. Additionally, HDDs can be louder and more power-hungry than SSDs. In conclusion, the Seagate BarraCuda 2TB Internal Hard Drive is a solid choice for those seeking a reliable and high-capacity storage solution. Despite its limitations in speed compared to SSDs, its performance, capacity, and reliability make it a valuable addition to any desktop PC.
Z**O
Excelent product and fast delivery!
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