Seagate BarraCuda Mobile Hard Drive 4TB SATA 6Gb/s 128MB Cache 2.5-Inch 15mm (ST4000LM024),Mechanical Hard Disk
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AI Verdict
A 4TB 5400 RPM 2.5-inch mechanical hard drive with a 15mm height, best for bulk data storage where speed isn't critical.
This 4TB 5400 RPM drive is a strong fit for users needing massive storage for archival purposes, especially if they have a desktop or external enclosure that accommodates its 15mm height. Its slower speed and SMR technology make it less suitable for performance-critical tasks, but its capacity-to-cost ratio is appealing for bulk data.
If you need faster performance for an internal drive, look for 7200 RPM mechanical drives or solid-state drives (SSDs) with NVMe or SATA interfaces.
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Pros
- Offers 4TB of storage capacity in a 2.5-inch form factor.
- Features a SATA 6Gb/s interface for connecting to compatible systems.
- Includes 128MB of cache, which can help with burst performance.
- Users report the drive stays cool even under extensive use.
- Considered cost-effective for its 4TB capacity.
Cons
- The 15mm z-height means it won't fit in many standard laptops designed for 7mm or 9.5mm drives.
- As a 5400 RPM drive, it delivers slower performance compared to 7200 RPM HDDs or SSDs, impacting game loading times and large file transfers.
- Some users experienced very slow write speeds, with drive utilization reaching 100% during large data transfers.
- Utilizes SMR technology, which can lead to performance degradation during sustained write operations.
- There are reports of early failures, with one user experiencing a drive failure within a week in a NAS setup.
Dimension Scores
As a 5400 RPM mechanical drive, it's slower than 7200 RPM alternatives, with some users reporting read speeds around 94 MB/s and very slow write performance during large transfers.
While some users reported early failures and concerns with shucked drives, others had long-term positive experiences, placing it around category average.
Offering 4TB in a 2.5-inch form factor, it provides a high capacity for its size, making it suitable for bulk storage needs.
Its 2.5-inch form factor and SATA interface are broadly compatible, but the 15mm thickness severely limits its compatibility with many laptops.
Best For
- Expanding storage in desktop PCs or external enclosures where the 15mm height is not an issue.
- Archiving large media libraries like movies, music, and photos.
- Use in a Network Attached Storage (NAS) device for backup and shared file storage.
- Budget-conscious users needing significant storage capacity for non-performance-critical data.
Not Recommended For
- Most modern laptops due to its 15mm thickness.
- Primary drive for operating systems or frequently played games, due to 5400 RPM speed and SMR technology.
- Applications requiring high sustained write performance, like video editing scratch disks or frequent large database operations.
Watch Out For
- The 15mm physical height is a major fitment issue for many laptops, so measure your device's drive bay before buying.
- Expect read/write speeds around 94 MB/s, which some users found to be abnormally low for a 4TB drive.
- If shucked from an external enclosure, there's a reported 1 in 50 chance of failure if power is lost unexpectedly, possibly due to missing power-off circuitry.
- Some users reported the drive hitting 100% utilization and very slow write speeds when transferring large amounts of data, especially with fast internet connections.
- One user reported a drive failing in less than a week when installed in a Synology NAS, developing bad sectors.
Full Specifications
| ASIN | B01LZMUNGR |
| Brand | Seagate |
| Series | BarraCudau00a0 |
| Hard Drive | 4 TB Mechanical Hard Disk |
| Item Weight | 6.7 ounces |
| Manufacturer | SEAGATE |
| Hard Disk Size | 4 TB |
| Special Feature | Not_Performance_Used |
| Hardware Platform | laptop |
| Installation Type | Internal Hard Drive |
| Item model number | ST4000LM024 |
| Compatible Devices | Laptop |
| Product Dimensions | 5.75 x 3.98 x 0.79 inches |
| Hard Disk Interface | Serial ATA |
| Hard Drive Interface | Serial ATA |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Form Factor | 2 Inches |
| Item Dimensions LxWxH | 5.75 x 3.98 x 0.79 inches |
| Connectivity Technology | SATA |
| Digital Storage Capacity | 4 TB |
| Is Discontinued By Manufacturer | No |
What Buyers Say
The most surprising finding is how often the 15mm thickness is a deal-breaker for laptop users, despite it being a 2.5-inch drive. Many buyers assume a 2.5-inch drive will fit their laptop, only to find this one is too tall. Performance-wise, users frequently point out the 5400 RPM speed and SMR technology lead to slow write speeds, especially when moving large files, sometimes causing 100% drive utilization. However, for pure storage capacity at a lower cost, it gets the job done, particularly in desktop or external enclosures.
“Man, I bought this 4TB drive thinking it would just pop into my laptop, but nope, it's way too thick at 15mm. Now I gotta figure out what to do with it, definitely not for my gaming rig either, too slow for that.”
Common Praise
- Provides a large 4TB storage capacity for its physical size.
- Stays cool even during extended periods of operation.
- Considered a cost-effective option for mass storage.
- Easy to install and format for those familiar with drive setup.
Common Complaints
- The 15mm thickness prevents it from fitting into many standard laptop drive bays.
- Slow write speeds, with some users observing 100% drive utilization during large file transfers.
- Performance is noticeably slower than 7200 RPM drives or SSDs, impacting tasks like gaming.
- Reports of drives failing prematurely, sometimes within a week of use.
- Concerns about reliability when shucked from external enclosures and experiencing unexpected power loss.
Ownership Tips
- After a few weeks, transferring my entire game library to this drive took way longer than I expected, with write speeds dropping significantly after the initial burst.
- The drive runs quietly, which is a plus, but the performance hit during large backups is definitely noticeable.
- If you're using it in an external enclosure, be mindful of power stability, as some users reported issues with unexpected power loss.
- It's really best for 'set it and forget it' archival storage, not for frequently accessed or modified files.
Frequently Asked Questions
Is this drive fast enough for gaming?
As a 5400 RPM mechanical hard drive, it will be significantly slower than an SSD. While some games might run, loading times will be noticeably longer, and it's generally not recommended for primary game storage.
What is SMR technology and how does it affect this drive?
SMR (Shingled Magnetic Recording) allows for higher data density but can lead to slower write performance, especially during sustained transfers or when the drive is nearly full. This means large file copies or continuous backups might be slower than expected.
Can I use this drive in a NAS (Network Attached Storage) system?
Yes, many users utilize these drives in NAS setups for bulk data storage. However, some users reported early failures in NAS environments, so consider redundancy like RAID if using it for critical data.
What kind of read/write speeds can I expect?
Expect typical speeds around 94 MB/s for reads. Write speeds can vary, with some users reporting very slow performance and 100% drive utilization during large transfers.
Buying Guide
When you're looking at hard drives, especially 2.5-inch ones, you need to pay close attention to the thickness, not just the capacity. This 4TB BarraCuda is 15mm tall, which is chunky for a laptop drive, so measure your bay. Also, understand that a 5400 RPM mechanical drive, especially one using SMR, is for storing lots of stuff, not for speed-sensitive tasks like running your operating system or loading big games quickly. It's like a big, slow filing cabinet for your digital life.
Capacity (4 TB)
This tells you how much data you can store. 4TB is a lot, enough for thousands of movies, millions of photos, or a huge software library. It's like having a massive digital attic.
Form Factor (2.5 Inches) and Thickness (15mm)
The 2.5-inch size is common for laptops, but the 15mm thickness is crucial. Many laptops only fit 7mm or 9.5mm drives, so this one might be too fat for your device. Think of it like trying to fit a thick book into a slot designed for a thin magazine.
Drive Type (Mechanical Hard Disk) and RPM (5400)
This means it has spinning platters and read/write heads, making it slower than an SSD. The 5400 RPM indicates how fast those platters spin; higher RPM (like 7200) means faster data access. This drive is more like a leisurely cruise ship than a speedboat.
Interface (SATA 6Gb/s)
This is the connection type to your computer. SATA 6Gb/s (also known as SATA III) is a standard connection, so it will plug into most modern motherboards or laptop drive bays. It's the highway for your data, but the drive itself is the car, and a 5400 RPM SMR drive isn't a race car.
Alternatives
If you need a faster drive for your laptop, look for 2.5-inch SSDs or 7mm/9.5mm 2.5-inch mechanical drives. For desktop bulk storage with better performance, consider 3.5-inch 7200 RPM mechanical drives.
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