
Seagate ST2000NM0055 Enterprise Capacity 3.5'' HDD 2TB 7200 RPM 512n SATA 6Gb/s 128MB Cache Internal Hard Drive (Renewed)
Want the best price and purchase timing?
Our AI advisor analyzes real-time pricing across all channels to find you the best deal.
AI Verdict
This 2TB 7200 RPM enterprise-grade HDD is a renewed option for bulk data storage in servers or NAS systems, offering 550TB/year workload tolerance.
This renewed Seagate ST2000NM0055 is a situational fit because its enterprise-grade features like 24x7 operation and 550TB/year workload are compelling for server or NAS use. However, its 'renewed' status introduces uncertainty regarding lifespan and warranty, making it a calculated risk.
If long-term reliability without compromise is critical, look for new enterprise drives with full manufacturer warranties or 'factory recertified' options from reputable vendors.
Regret Score™
High RiskLower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity
Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
Chance this product isn't for you
Pros
- Designed for 24x7 operation with vibration tolerance and humidity sensor support, capable of handling 550TB/year workloads.
- Provides 2000 GB of storage capacity for large-scale data storage and backups.
- Features a 7200 RPM rotational speed and SATA 6Gb/s interface for consistent data transfer performance.
- Equipped with a 128 MB cache buffer to improve read/write efficiency under heavy I/O conditions.
Cons
- As a renewed product, its prior usage history and remaining lifespan are unknown, leading to potential early failure.
- The 3.5-inch form factor requires additional power and is generally too large for most laptops.
- Some users report enterprise drives can be louder than consumer-grade alternatives.
- Warranty coverage for renewed drives can vary significantly and may be less comprehensive than for new drives.
Dimension Scores
The 7200 RPM spindle speed and SATA 6Gb/s interface provide fast data transfer rates for a mechanical hard drive.
Designed for 24x7 enterprise workloads with vibration tolerance, but its 'renewed' status introduces uncertainty about its remaining operational life.
2TB offers a functional amount of bulk storage, but larger capacities are now common for enterprise and data hoarding applications.
The 3.5-inch form factor and SATA 6Gb/s interface are standard for desktops and servers, but it's not suitable for most laptops.
Best For
- Home server builds requiring 24x7 operation.
- Network Attached Storage (NAS) systems for media or document archiving.
- Data hoarders needing cost-effective bulk storage.
Not Recommended For
- Primary operating system drive in a desktop PC due to mechanical drive speeds.
- Users prioritizing silent PC operation.
- Laptops or small form factor PCs due to its 3.5-inch size.
Watch Out For
- The 'renewed' status means you might receive a drive with unknown hours of operation or prior usage, increasing the risk of early failure compared to a new drive.
- Some users report receiving refurbished drives with bad sectors, indicating a lack of thorough testing by some sellers.
- Warranty terms for renewed drives are often shorter (e.g., 2 years) than for new enterprise drives (typically 5 years), and can vary by seller.
- Distinguishing between 'factory recertified' (generally more reliable) and 'seller refurbished' (potentially less reliable) is difficult with generic 'renewed' listings, impacting long-term trust.
Full Specifications
| ASIN | B087CBT533 |
| Brand | Seagate |
| Series | ST2000NM0055 |
| Hard Drive | 2 TB Mechanical Hard Disk |
| Item Weight | 1.65 pounds |
| Manufacturer | Seagate Technology |
| Hard Disk Size | 2 TB |
| Special Feature | Enterprise-Grade Durability |
| Flash Memory Size | 2 TB |
| Installation Type | Internal Hard Drive |
| Compatible Devices | Desktop, Laptop |
| Product Dimensions | 9 x 6 x 5.8 inches |
| Hard Disk Interface | Serial ATA-600 |
| Hard Drive Interface | Serial ATA-600 |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Form Factor | 3.5 Inches |
| Item Dimensions LxWxH | 9 x 6 x 5.8 inches |
| Connectivity Technology | SATA |
| Digital Storage Capacity | 2000 GB |
| Hard Drive Rotational Speed | 7200 RPM |
| Is Discontinued By Manufacturer | No |
What Buyers Say
Many users on Reddit praise the longevity of Seagate's Enterprise/Exos drives, with some reporting continuous operation for over five years in production environments. However, the 'renewed' aspect is a recurring concern, with buyers emphasizing the critical difference between 'factory recertified' and generic 'seller refurbished' drives, as the latter can lead to early failures or drives with bad sectors. While the core enterprise hardware is considered robust, the unknown history of a renewed unit is the primary point of contention.
“I took a chance on this renewed 2TB drive for my home server, and so far it's spinning up fine, but I'm definitely running SMART tests constantly because you never know what you're getting with 'renewed' drives.”
Common Praise
- Enterprise-grade drives from Seagate are known for their durability and long operational life in 24x7 settings.
- The 7200 RPM speed and 128MB cache provide consistent performance for bulk data storage.
- Cost-effective way to acquire high-capacity drives for NAS or server use compared to new enterprise units.
- Seagate's warranty process for failed enterprise drives (within the warranty period) is generally reported as reliable.
Common Complaints
- Renewed drives carry the risk of unknown prior usage, potentially leading to a shorter lifespan than a new drive.
- Some refurbished drives are reported to arrive with bad sectors or fail shortly after installation.
- The distinction between 'factory recertified' and 'seller refurbished' is often unclear, making it hard to gauge quality.
- Enterprise drives can generate more audible noise compared to quieter consumer-grade options.
Ownership Tips
- Always run extensive SMART tests and surface scans immediately upon receiving a renewed HDD to check for pre-existing issues.
- Consider the actual warranty period offered by the seller, as it's often shorter than a new drive's warranty.
- Be prepared for potentially higher operating noise compared to a standard desktop drive.
- For critical data, implement a robust backup strategy, as renewed drives inherently carry a higher risk of failure.
Frequently Asked Questions
What does 'Renewed' mean for this hard drive?
A 'renewed' hard drive has been inspected and tested to work and look like new by an Amazon-qualified supplier. It's not a brand-new drive, and its previous usage history is typically unknown.
Is this drive suitable for a desktop computer?
While compatible with desktops, its 3.5-inch form factor and enterprise design are more geared towards server or NAS environments. For a primary desktop drive, an SSD or a newer consumer HDD might offer a better experience.
How does the 128MB cache affect performance?
The 128MB cache buffer helps the drive handle multiple read/write requests more efficiently, which can improve sustained performance, especially in environments with heavy data access like servers.
What kind of warranty can I expect with a renewed drive?
Amazon Renewed products typically come with a 90-day Amazon Renewed Guarantee. Some sellers of renewed enterprise drives might offer longer warranties, such as 2 or 3 years, but this varies.
Will this drive be noisy in my system?
Enterprise drives, including the Seagate Exos line, are sometimes reported to be louder than consumer drives due to their robust construction and higher performance characteristics. Expect some audible operation, especially under load.
Buying Guide
When you're looking at a hard drive like this, especially a 'renewed' one, you need to think about what you're actually storing and how important it is. This isn't a drive for your main computer's operating system; it's for holding a ton of files. Because it's renewed, you're trading a lower price for some uncertainty about its past life, so always plan for backups.
Capacity (2000 GB)
This is simply how much data the drive can hold. 2000 GB (or 2TB) is enough for thousands of photos, hundreds of movies, or extensive backups. Think of it like the size of a storage locker – 2TB is a medium-sized one.
7200 RPM
RPM stands for revolutions per minute, indicating how fast the platters inside spin. Higher RPM (like 7200) generally means faster data access and transfer speeds, which is important for frequently accessed files or server applications, but it also means more noise and heat.
SATA 6Gb/s Interface
This is the connection standard the drive uses to talk to your computer or server. SATA 6Gb/s is a common, fast interface for mechanical drives, ensuring it won't be a bottleneck for this type of storage, similar to a highway with enough lanes for traffic.
128 MB Cache
The cache is a small, fast memory buffer on the drive that temporarily stores frequently accessed data. A larger cache (like 128MB) helps the drive respond quicker to requests and improves performance, especially when handling many small files or concurrent tasks, like a short-term memory boost for the drive.
Alternatives
If you need more capacity or faster speeds for an OS drive, look for SSDs or HDDs with higher capacities (e.g., 4TB+) and potentially NVMe interfaces for SSDs.



