Brand | Seagate |
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Product Dimensions | 14.71 x 10.16 x 2.01 cm; 490 Grams |
Item model number | ST4000DMZ04 |
Manufacturer | SEAGATE |
Series | ST4000DMZ04 |
Color | Silver |
Form Factor | 3.5" |
Processor Brand | Seagate |
Hard Drive Size | 4 TB |
Hard Disk Description | Mechanical Hard Disk |
Hard Drive Interface | Serial ATA |
Hard Disk Rotational Speed | 5400 RPM |
Wattage | 5.6 |
Power Source | System powered |
Are Batteries Included | No |
Item Weight | 490 g |
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Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Amazon Exclusive - Frustration Free Packaging (ST4000DMZ04)
Learn more
- Free returns are available for the shipping address you chose. For a full refund with no deduction for return shipping, you can return the item for any reason in new and unused condition.
- Learn more about free returns.
- Go to your orders and start the return
- Select the return method
- Ship it!
- Choose from over 20,000 locations across the UK
- FREE unlimited deliveries at no additional cost for all customers
- Find your preferred location and add it to your address book
- Dispatch to this address when you check out
- Transfer files from existing hard drive to new customer-supplied hard drive
- Removal of existing hard drive from computer and installation of new hard drive
- Validate successful data transfer
- Up to 500 GB data transfer
- If additional works are required, additional costs may be incurred
Enhance your purchase
Digital storage capacity | 4 TB |
Hard disk interface | Serial ATA |
Connectivity technology | SATA |
Brand | Seagate |
Hard disk form factor | 3.5 Inches |
Hard disk description | Mechanical Hard Disk |
Compatible devices | Desktop |
Installation type | Internal Hard Drive |
Colour | Silver |
Hard disk size | 4 TB |
About this item
- Make sure this fits by entering your model number.
- 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 Halogen-free; RoHS Complaint
- 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; Max Sustained Transfer Rate OD(MB/s):190 MB/s
- Enjoy long term peace of mind with the included 2 year limited warranty
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From the manufacturer

BarraCuda
Upgrading with the reliable family of cost-effective Barracuda drives will improve the efficiency of data processing and retrieval. Improved efficiency provides instant access to data, which means faster game load times, quicker open rates for applications, and speedy file transfers.
Why Choose BarraCuda Hard Drives?
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DYNAMIC VERSATILITYBarraCuda hard drives provide a cost-effective way to upgrade computer performance. |
SUPERIOR CAPACITYStore it all! These drives lead the market with the largest range of storage options available. |
PROVEN DURABILITYBarraCuda drives have a 20-year history of delivering reliability. |
ENVIABLE SECURITYTake advantage of Self-Encrypting Drive technology and hardware-based Instant Secure Erase.• *Seagate Secure models are not available in all countries and may require TCG-compliant host or controller support. |

Proven Reliability and Innovation
All BarraCuda hard drives come equipped with MTC technology for optimised read/write. Users can also gain access to a global team of recovery experts with purchase of BarraCuda drives. *
*Rescue Data Recovery Plans are not available in all countries.
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BarraCuda | IronWolf Pro | FireCuda | |
Capacity | Up to 8 TB | Up to 20 TB | Up to 8 TB |
Performance | Fast | Faster | Fastest |
Key Feature | Versatility | NAS & high workload rates | Gaming |
Form Factor | 2.5/3.5 inch | 3.5 inch | 3.5 inch |
Data Rescue Service | Optional | 3 years | 3 years |
Compare with similar items
Product information
Technical Details
Additional Information
ASIN | B07D9C7SQH |
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Customer Reviews |
4.7 out of 5 stars |
Best Sellers Rank | 606 in Computers & Accessories (See Top 100 in Computers & Accessories) 2 in Internal Hard Drives |
Date First Available | 3 Sept. 2018 |
Warranty & Support
Feedback
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Product guides and documents
Customer reviews
Customer Reviews, including Product Star Ratings, help customers to learn more about the product and decide whether it is the right product for them.
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Reviewed in the United Kingdom on 22 September 2020
Top reviews from United Kingdom
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Seagate Barracuda Compute drives in 2TB, 3TB and 4TB are all SMR. The 1TB Compute drive is PMR. Barracuda Pro drives are all PMR, hence the inflated price. Do not be persuaded by the 256MB cache, this offsets the drop in random read/write speed associated to the SMR drive. Seagate do not disclose which of their drives utilize SMR and have removed this information from their datasheets, so I hope this informs your purchases.
The reason for 4 stars even though it failed? The customer service experience was genuinely the best I have ever seen. Chat support at 11pm, to a human, they had a refund in my account in minutes, and they arranged an easy way to send the bad drive back....I swore I wouldn't buy one of these again...but I did. I can't beat that customer service experience and safety net.
Likely just unlucky with bad drive, but very satisfied with god tier customer service.

By Matt on 22 September 2020
The reason for 4 stars even though it failed? The customer service experience was genuinely the best I have ever seen. Chat support at 11pm, to a human, they had a refund in my account in minutes, and they arranged an easy way to send the bad drive back....I swore I wouldn't buy one of these again...but I did. I can't beat that customer service experience and safety net.
Likely just unlucky with bad drive, but very satisfied with god tier customer service.

By chance I found out recently that SMR drives pose serious issues for NAS and RAID implementations, and that several drive manufacturers have been hiding the fact that they are using SMR technology to reduce costs and not declaring that they are using it on an open way.
This is one such drive, I recommend you keep away from this drive and really research the drive before had to avoid this well hidden pitfalls. I certainly do not trust Seagate as much as I once did because of this. Also check the drive part number after you receive it as this listing shows 2 possible variants even for the 4TB option.
To make sure I unpacked my backup PC which already had a second drive and attempted to install the new drive.
Again no second drive appeared in windows or BIOS. Conclusion faulty drive. Decided to leave small drive in current PC and take advantage of Amazon's return policy.
Not Amazon's fault package was undamaged and sealed. The problem lies with the manufacturers, as the price of drives falls the number of faulty ones seems to increases!
The item arrived in a bubble bag, not the usual amazon box, but I didn't notice any damage to the bag, so I'm assuming the disk was dropped prior to shipping as opposed to being miss-handled during delivery.
Completely useless hunk of plastic and metal, and a waste of my time... will be requesting a refund / replacement.

By mikejonesey on 17 March 2019
The item arrived in a bubble bag, not the usual amazon box, but I didn't notice any damage to the bag, so I'm assuming the disk was dropped prior to shipping as opposed to being miss-handled during delivery.
Completely useless hunk of plastic and metal, and a waste of my time... will be requesting a refund / replacement.



I recently built a PC with a 500GB SSD for the C: drive and two of these for the D: drive. Windows 10 has this amazing Storage Pool ReFS feature that allows you to do both RAID 0 and RAID 1. I opted for RAID 1 which is mirror so the data on D: is safe from one drive failing. Storage Pool ReFS does not allow you to boot from it hence the SSD.
Seriously you should be using SSD as your main drive and these hard drives for storage and backup not for running programs.