
Seagate Laptop Thin 500 GB 7200RPM SATA 6 GB/s 32 MB Cache 2.5 Inch Hard Disk Drive (ST500LM021)
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AI Verdict
A 500GB, 7200RPM, 2.5-inch SATA 6Gb/s HDD with a 7mm z-height, best for older laptop upgrades or secondary storage.
This 7200RPM, 7mm thin HDD is a specific upgrade for older laptops or as a secondary drive where space is tight and budget is the main concern. Its mechanical nature means it cannot match SSDs in speed or durability, making it a niche choice.
If you need significantly faster boot times and application loading, look for a 2.5-inch SATA SSD with at least 500GB capacity.
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Pros
- 7200RPM spin speed offers faster data access than typical 5400RPM laptop HDDs.
- Thin 7mm z-height form factor fits ultrabooks and slim computing devices.
- SATA 6Gb/s interface provides modern connectivity for mechanical drives.
- 32MB cache helps with quicker data transfer rates for an HDD.
- Operates quietly, minimizing noise disruption during use.
- Easy to install as a replacement or upgrade in compatible laptops.
Cons
- Still a mechanical hard drive, significantly slower than any Solid State Drive (SSD).
- 500GB capacity can be limiting for modern operating systems and large applications.
- Some users report early failures or receiving 'dud' drives.
- Warranty coverage can be problematic, especially when purchased from third-party sellers.
- Price-to-space ratio might not be competitive compared to larger capacity HDDs or budget SSDs.
Dimension Scores
7200RPM is faster than typical laptop HDDs (5400RPM) but significantly slower than any SSD.
While some users praise its reliability, there are recurring reports of early failures and 'duds'.
500GB is an entry-level capacity for a laptop HDD, suitable for basic use but quickly filled with modern software and media.
Its 2.5-inch form factor, 7mm z-height, and SATA 6Gb/s interface make it widely compatible with most laptops and gaming consoles.
Best For
- Upgrading older laptops with 2.5-inch, 7mm drive bays.
- Secondary storage in laptops or custom PCs (with appropriate mounting).
- Budget gaming setups for storing game files (not primary OS drive).
- Expanding storage for gaming consoles like PS4 or Xbox.
Not Recommended For
- Primary drive in new systems expecting fast boot and application load times.
- Users requiring high-capacity storage for extensive media libraries.
- Critical data storage without a robust backup solution due to reported reliability concerns.
- Anyone expecting SSD-level performance for daily tasks.
Watch Out For
- Some buyers received drives with adhesive residue or signs of prior installation, raising concerns about product integrity.
- Reports of drives failing prematurely, with Windows reporting drive failure within 7 months of use.
- Compatibility issues where the drive doesn't power up or isn't recognized in BIOS/Windows, despite working in external enclosures.
- Seagate may not honor warranty claims for products purchased from third-party vendors.
Full Specifications
| ASIN | B00ISKS416 |
| Brand | Seagate |
| Color | Silver |
| Series | Laptop Thin |
| Hard Drive | 500 GB Serial ATA-600 |
| Item Weight | 3.17 ounces |
| Manufacturer | Seagate |
| Special Feature | QuietStep, Ramp Load |
| Flash Memory Size | 500 GB |
| Hardware Platform | PC |
| Installation Type | Internal Hard Drive |
| Item model number | ST500LM021 |
| Compatible Devices | Laptop |
| Product Dimensions | 3.96 x 2.8 x 0.3 inches |
| Hard Disk Interface | Serial ATA-600 |
| Hard Drive Interface | Serial ATA-600 |
| Hard Disk Description | Serial ATA-600 |
| Hard Disk Form Factor | 2.5 Inches |
| Item Dimensions LxWxH | 3.96 x 2.8 x 0.3 inches |
| Connectivity Technology | SATA |
| Digital Storage Capacity | 500 GB |
| Hard Drive Rotational Speed | 7200 RPM |
| Standing screen display size | 2.5 Inches |
| Is Discontinued By Manufacturer | No |
What Buyers Say
Many users report receiving drives that appeared to have been previously installed or used, with adhesive residue on the sides, raising concerns about product authenticity and warranty coverage. Despite these initial concerns, the drive often formats correctly, but some users experience failures within months of use, with Windows reporting drive failure. The 7200RPM speed is frequently highlighted as a noticeable upgrade over slower 5400RPM drives, making it a popular choice for breathing new life into older laptops.
“Man, I needed something to speed up my old laptop without breaking the bank, and this 7200RPM drive actually made a difference, but I'm still worried about it dying on me like some others said.”
Common Praise
- Noticeably faster performance compared to 5400RPM laptop hard drives.
- Fits perfectly in ultrabooks and slim devices due to its 7mm z-height.
- Operates quietly, minimizing noise disruption.
- Easy to install as a replacement or upgrade in compatible systems.
Common Complaints
- Reports of drives failing prematurely, sometimes within 7 months of purchase.
- Some users received drives with signs of prior use or tampering, like grey adhesive residue.
- Difficulty with warranty claims if purchased from third-party sellers.
- Occasional 'duds' that lock up or fail diagnostics upon initial setup.
Ownership Tips
- The perceived speed boost over 5400RPM drives is real for everyday tasks, but don't expect SSD performance.
- The thin 7mm profile is genuinely useful for fitting into tight laptop chassis.
- Keep an eye on SMART data, as some drives might show signs of age even when new.
- Back up your data regularly, given the reported failure rates.
Frequently Asked Questions
Is this drive compatible with all laptops?
It's a 2.5-inch SATA drive with a 7mm z-height, designed for laptops. Most laptops with a 2.5-inch bay should be compatible, but some specific models might have power delivery or BIOS recognition issues.
How fast is this drive compared to other laptop hard drives?
With 7200RPM, it's faster than the more common 5400RPM laptop HDDs, offering quicker data transfer rates for a mechanical drive.
Can I use this in a desktop PC?
Yes, you can use it in a desktop PC, but you might need a 2.5-inch to 3.5-inch mounting bracket to secure it in a standard desktop drive bay.
What is the z-height of this drive?
The drive has a 7mm z-height, which makes it suitable for ultrabooks and slim computing devices.
Is this drive suitable for gaming?
For an HDD, its 7200RPM speed and 32MB cache make it a decent choice for storing games, but loading times will still be significantly slower than an SSD.
What is the warranty like for this drive?
Some users have expressed concerns about warranty coverage, especially when purchasing from third-party vendors, with Seagate sometimes not honoring claims.
Buying Guide
When you're looking at hard drives for your laptop, you're mainly balancing speed, capacity, and physical size. This 2.5-inch drive is a mechanical spinning disk, which means it's generally slower than an SSD but offers more storage for your money at higher capacities. The 7200RPM speed is a key factor here, as it's faster than the more common 5400RPM drives found in many older laptops.
Capacity (500 GB)
Think of this like the size of your digital closet. 500GB is enough for your operating system, essential programs, and a decent amount of documents and photos, but it fills up fast if you have a lot of large games or media files.
RPM (7200)
This is how fast the platters inside the drive spin, like how fast a record player spins. Higher RPM (7200 vs. 5400) means the drive can find and read data quicker, making your laptop feel a bit snappier for an HDD.
Form Factor (2.5 Inches) & Z-Height (7mm)
This is the physical size of the drive. 2.5 inches is standard for laptops, and the 7mm 'z-height' (thickness) is particularly slim, ensuring it fits into thinner laptops and ultrabooks.
Alternatives
If you need significantly faster performance for your operating system and applications, look for a 2.5-inch SATA Solid State Drive (SSD) with similar capacity. If you need much more storage, consider a 1TB or 2TB 2.5-inch HDD, though they might be 9.5mm thick.



