Seagate Exos 7E8 4TB 512n SATA 128MB Cache 3.5-Inch Enterprise Hard Drive (ST4000NM0035), Mechanical Hard Disk
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AI Verdict
This 4TB, 7200 RPM, SATA 6Gb/s enterprise hard drive is for 24x7 server and NAS applications requiring high workload endurance.
This drive is a strong fit for its intended enterprise use, with its 24x7 design, 550TB/year workload rating, and 2 million hour MTBF. It's built for continuous, heavy data operations in server and NAS environments. For typical desktop use, it's a weak fit due to noise and heat.
If you need a quieter or cooler drive for a desktop, look for models specifically designed for consumer desktop use, often with lower RPMs or different acoustic profiles.
Regret Score™
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Pros
- Engineered for 24x7 storage environments.
- Supports workloads up to 550TB per year, 10x that of desktop hard drives.
- Features a 2 million hour MTBF rating.
- Backed by a 5-year warranty.
- Operates at a 7200 RPM spindle speed.
- Includes a 128MB cache buffer for data transfers.
Cons
- Can be surprisingly noisy during operation.
- Runs hot, potentially requiring active cooling solutions.
- Users reported performance drops when the drive is under heavy load.
- Not ideal for desktop use with frequent start-stop cycles.
Dimension Scores
With a 7200 RPM spindle speed, 128MB cache, and up to 215 MB/s sustained transfer rate, it performs above average for a mechanical hard drive.
Boasting a 2 million hour MTBF rating, 0.44% AFR, 550TB/year workload, and a 5-year warranty, this drive offers best-in-class reliability for a mechanical HDD.
4TB is a common and useful capacity for many enterprise applications, though larger capacities are available for massive scale-out data centers.
The standard SATA 6Gb/s interface and 3.5-inch form factor ensure wide compatibility with both desktop and server systems.
Best For
- Hyperscale applications and cloud data centers.
- High-capacity density RAID storage systems.
- Enterprise backup and restore operations.
- Centralized surveillance systems.
Not Recommended For
- Quiet desktop PC builds due to noise and heat.
- Systems with frequent power cycles or start-stop operations.
Watch Out For
- Noise levels can be surprisingly high, making it unsuitable for quiet desktop environments.
- Generates significant heat, requiring active cooling solutions in many setups.
- Some users reported performance drops when the drive is under heavy load.
- Potential compatibility issues with certain RAID configurations were mentioned by users.
Full Specifications
| ASIN | B01CG0DD1E |
| Brand | Seagate |
| Color | Silver |
| Series | Exos 7E8 |
| Hard Drive | 4 TB Mechanical Hard Disk |
| Item Weight | 1.72 pounds |
| Manufacturer | Seagate Bare Drives |
| Special Feature | Data Recovery Service |
| Flash Memory Size | 4 |
| Hardware Platform | PC |
| Installation Type | Internal Hard Drive |
| Item model number | ST4000NM0035 |
| Compatible Devices | Desktop |
| Product Dimensions | 5.79 x 4.01 x 1.03 inches |
| Hard Disk Interface | SATA 6 GB/s |
| Hard Drive Interface | SATA 6 GB/s |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Form Factor | 3.5 Inches |
| Item Dimensions LxWxH | 5.79 x 4.01 x 1.03 inches |
| Connectivity Technology | SATA |
| Digital Storage Capacity | 4 TB |
| Hard Drive Rotational Speed | 7200 RPM |
| Is Discontinued By Manufacturer | No |
What Buyers Say
Many users found this 4TB enterprise drive to be a cost-effective solution for their server and NAS needs, often praising its 5-year warranty and consistent performance in 24x7 operations. However, a recurring theme in user feedback is the significant noise and heat generated by the drive, making it less suitable for quiet desktop environments. Some also reported performance dips under heavy load.
“This thing is a workhorse for my server, but man, it sounds like a jet engine taking off in my home lab. My wife keeps asking what that noise is. Definitely not for your quiet PC build.”
Common Praise
- Designed for continuous 24x7 operation.
- Comes with a 5-year warranty.
- Offers consistent performance in multi-drive systems.
- Handles high workloads of 550TB per year.
- Considered a good value for an enterprise-grade drive.
Common Complaints
- Can be very loud during operation.
- Generates considerable heat, often requiring active cooling.
- Not ideal for desktop PCs due to noise and heat output.
- Some users experienced performance drops under heavy load.
- Potential compatibility issues with certain RAID setups were noted.
Ownership Tips
- Expect noticeable operational noise, especially in a quiet room or desktop setup.
- Plan for adequate airflow or active cooling to manage the heat output, as it runs hotter than consumer drives.
- It's built for continuous 24/7 operation, not frequent spin-up/spin-down cycles typical of desktop use.
- The 5-year warranty provides peace of mind for long-term, heavy-duty use.
Frequently Asked Questions
Is this drive suitable for a regular desktop PC?
No, it's designed for 24x7 enterprise use. Users report it can be noisy and run hot in a desktop environment, which isn't ideal for typical PC use.
How noisy is this drive?
Users describe it as 'very loud' and 'surprisingly noisy' during operation, especially compared to desktop drives.
Does it run hot?
Yes, enterprise HDDs like this one are known to run hot and often require active cooling to maintain optimal performance and longevity.
What kind of warranty does it have?
It comes with a 5-year warranty, which is typical for enterprise-grade drives and indicates Seagate's confidence in its durability.
What does '512n' mean?
512n refers to the native sector size of 512 bytes. This is a traditional sector size for hard drives, ensuring broad compatibility with older systems and operating systems.
Buying Guide
When you're looking at a mechanical hard drive, especially an enterprise one, you're balancing capacity, speed, and durability. This isn't like an SSD; it has moving parts, which means noise and heat are factors. Enterprise drives are built for constant use in specific environments, so their characteristics might not be what you expect for a home PC.
capacity
This is how much data the drive can store, measured in terabytes (TB). 4TB is a lot for personal files but might be just a starting point for large server applications.
interface
SATA 6Gb/s is the connection type. It's a standard interface that connects the drive to your computer or server, determining how fast data can theoretically move between them.
MTBF (Mean Time Between Failures)
This number, 2 million hours, is an estimate of how long a drive type is expected to run before a failure. Higher numbers mean more durability, like a car designed for millions of miles.
workload rating
550TB per year means this drive is designed to handle a massive amount of data being written and read annually, far more than a typical desktop drive, indicating its robustness for heavy use.
Alternatives
If you need less noise and heat for a desktop, look for drives with lower RPMs or those specifically marketed for quiet operation. For faster performance, consider an SSD with a SATA or NVMe interface.
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