Western Digital Internal Hard Drives 16Tb DC HC550 Surveillance,Wd 3.5 HDD Sata 6Gb/s 7200 PRM NAS 512 mb Cache for Dvr Nvr (Renewed)
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AI Verdict
This is a 16TB, 7200 RPM, 3.5-inch renewed enterprise-grade hard drive with a 512MB cache, built for high-endurance surveillance or NAS applications.
This 16TB renewed Western Digital HC550 is a strong contender for specific high-capacity, high-endurance storage needs like NAS or surveillance, especially if you're comfortable with the risks of a renewed product. Its 2.5 million hour MTBF and 550TB annual write endurance are enterprise-level specs, making it robust for continuous operation. However, the 'renewed' aspect means you're trading off some warranty certainty and potentially unknown prior usage for a lower price.
If the renewed status and potential warranty complexities are a concern, look for new enterprise drives with a full manufacturer's warranty, or consider consumer NAS drives if the workload isn't as intense.
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Pros
- Offers 16 TB storage capacity, suitable for large data archives or surveillance footage.
- Features 7200 RPM speed and a 512MB cache, delivering sustained read/write speeds up to 260MB/s.
- Engineered for exceptional durability with an annual write endurance of 550TB and a 2.5 million hour MTBF.
- Utilizes Helium Sealing Technology, reducing operating power consumption to 5.1W (idle) and 6.8W (read/write).
- Employs CMR (Conventional Magnetic Recording) technology, which is preferred for consistent performance in NAS and RAID environments.
- Designed with enterprise-level features like Energy-Assisted Magnetic Recording (EAMR) and a Triple Stage Actuator for increased density and performance.
Cons
- As a renewed product, the actual warranty period might be shorter than a new drive's 5 years, and could be handled by the seller rather than Western Digital directly.
- Some users report noticeable noise or vibration during spin-up or heavy operation, typical for 7200 RPM enterprise drives.
- The drive's renewed status means unknown prior usage hours and potential for reallocated sectors, which aren't transparently disclosed.
- May not be suitable for quiet desktop environments due to potential operational noise.
Dimension Scores
Sustained read/write speeds up to 260MB/s and a 7200 RPM spindle speed are at the higher end for mechanical hard drives.
The HC550 series boasts an enterprise-grade 2.5 million hour MTBF and 550TB annual write endurance, but its 'renewed' status introduces some uncertainty compared to a new drive.
16TB is a very high capacity for a single 3.5-inch drive, making it suitable for demanding storage needs like large NAS or surveillance systems.
The standard 3.5-inch form factor and Serial ATA interface ensure broad compatibility with Camera, Desktop, Gaming Console, Laptop, and Television systems, though its enterprise nature is best utilized in specific setups.
Best For
- High-capacity network-attached storage (NAS) systems requiring 16TB of reliable storage.
- Surveillance DVR/NVR systems needing high write endurance (550TB TBW) for continuous recording.
- Homelab setups where cost-effective, high-capacity, and durable storage is a priority.
- Data archiving or backup solutions that benefit from 16TB of CMR storage.
Not Recommended For
- Users seeking a completely silent storage solution for a desktop PC in a quiet room.
- Primary operating system drives, as mechanical hard drives are significantly slower than SSDs for OS operations.
- Anyone unwilling to manage potential warranty claims through a third-party seller for a renewed product.
Watch Out For
- The 'renewed' status often means the manufacturer's warranty (typically 5 years for new HC550s) might not be fully honored by WD, requiring warranty claims to go through the reseller, which can be a hassle.
- Some renewed drives might have accumulated significant power-on hours or reallocated sectors from previous use, which aren't always disclosed, potentially impacting long-term reliability compared to a new drive.
- Enterprise-grade 7200 RPM drives like this one can produce audible noise and vibration, especially during active use, which might be distracting in a desktop PC or a quiet living space.
- Despite being a WD Ultrastar, some renewed listings have been accused of selling used drives as 'new' or with misleading warranty information, so verifying the seller's reputation is crucial.
Full Specifications
| ASIN | B0FH3XP7RD |
| Brand | Western Digital |
| Series | DC HC550 |
| Hard Drive | 16 TB Mechanical Hard Disk |
| Item Weight | 1.92 pounds |
| Manufacturer | Western Digital |
| Hard Disk Size | 16 TB |
| Special Feature | SMR Technology |
| Installation Type | Internal Hard Drive |
| Item model number | HC550 |
| Compatible Devices | Camera, Desktop, Gaming Console, Laptop, Television |
| Product Dimensions | 5.79 x 4 x 1.03 inches |
| Hard Disk Interface | Serial ATA |
| Hard Drive Interface | Serial ATA |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Form Factor | 3.5 Inches |
| Item Dimensions LxWxH | 5.79 x 4 x 1.03 inches |
| Connectivity Technology | SATA |
| Digital Storage Capacity | 16 TB |
| Hard Drive Rotational Speed | 7200 |
What Buyers Say
Many Reddit users discuss the WD Ultrastar DC HC550 16TB as a go-to for homelab and NAS builds, often praising its enterprise-grade reliability and performance when purchased at a good price, especially as renewed or OEM drives. Concerns frequently revolve around the 'renewed' aspect, specifically regarding warranty coverage and the actual age or prior usage of the drive. While the drive itself is considered robust, the renewed status introduces a layer of uncertainty that buyers need to be aware of, particularly with some sellers being accused of misrepresenting drive condition or warranty. Some users also note the drive's audible operation, which is typical for 7200 RPM enterprise models.
“Look, if you need 16TB for your NAS and don't wanna drop a fortune, this renewed HC550 is probably your best bet, but seriously, check that seller's warranty policy and be ready for some noise.”
Common Praise
- Provides 16TB of storage at a competitive price point for renewed drives.
- Offers enterprise-level reliability with a 2.5 million hour MTBF.
- Achieves fast read/write speeds, often reported around 200-250MB/s, consistent with its 260MB/s spec.
- Features CMR technology, making it ideal for NAS and RAID arrays.
- Helium-filled design contributes to power efficiency and higher density.
Common Complaints
- Uncertainty about warranty coverage, as WD may not directly support renewed drives, pushing responsibility to the seller.
- Potential for noticeable noise or vibration, especially when the drive is active, which can be an issue in quiet environments.
- Lack of transparency regarding the drive's previous usage, such as power-on hours or reallocated sectors, for renewed units.
- Some sellers of renewed drives have been criticized for misleading product descriptions or warranty information.
Ownership Tips
- Expect to run SMART tests immediately upon receipt to check power-on hours and reallocated sectors, as these are often not disclosed for renewed drives.
- Be prepared for potential audible hum or vibration, especially if installing in a desktop PC or an open-air server rack.
- Confirm the actual warranty period and who is responsible for it (seller vs. WD) before purchase, as this varies significantly with renewed products.
- These drives run cooler and consume less power than older air-filled models due to helium sealing, which is a plus for always-on systems.
Frequently Asked Questions
Is this drive suitable for a home desktop computer?
While compatible, its enterprise-grade nature means it might be louder than typical consumer drives, and its primary benefits (high endurance, 2.5M MTBF) are overkill for most desktop uses. It's better suited for continuous operation in a server or NAS.
What does 'renewed' mean for this hard drive?
Renewed typically means the drive has been inspected, tested, and restored to full working condition. However, it's not new, and its prior usage history (power-on hours, reallocated sectors) is usually unknown. The warranty may also be shorter or handled by the reseller.
Will Western Digital honor the warranty on a renewed drive?
For renewed or OEM drives, Western Digital might not honor the full manufacturer's warranty directly. You would likely need to go through the Amazon Renewed program or the specific seller for any warranty claims.
Is this drive good for a NAS (Network Attached Storage)?
Yes, the WD HC550 series is an excellent choice for NAS due to its 16TB capacity, 7200 RPM speed, 512MB cache, high endurance (550TB TBW), and CMR technology, which is preferred for RAID arrays.
How noisy is this hard drive?
As a 7200 RPM enterprise drive, it can produce noticeable noise and vibration, especially during spin-up and heavy read/write operations. Some users have reported it as 'clunking' or audible, while others find it acceptable for their server environments.
Buying Guide
When you're looking at a renewed enterprise hard drive like this, you're essentially getting data center-grade hardware at a discount. This means it's built for 24/7 operation and high workloads, not just occasional file storage. The 'renewed' part is key: it's been tested to work, but it's not new, so you need to be extra diligent about who you're buying from and what their return/warranty policy is. Don't expect the same 'set it and forget it' peace of mind as a brand-new drive with a full manufacturer warranty.
Capacity (16 TB)
This is how much data the drive can hold. 16TB is massive, like having a digital library with thousands of movies or millions of photos. It's crucial for applications that generate huge amounts of data, like continuous surveillance recording or large media servers.
7200 RPM
Revolutions Per Minute (RPM) indicates how fast the platters inside the hard drive spin. Higher RPM (like 7200 here) generally means faster data access and transfer speeds, which is important for performance-sensitive tasks like streaming media or quickly accessing large files, compared to slower 5400 RPM drives.
MTBF (Mean Time Between Failures) 2.5 million hours
This is a statistical measure of how long a device is expected to operate before a failure. A 2.5 million hour MTBF is extremely high, indicating this drive is designed for continuous, long-term operation in demanding environments, far exceeding typical consumer drive expectations.
CMR (Conventional Magnetic Recording)
This refers to how data is written to the disk. CMR drives write data side-by-side, which provides consistent performance, especially for sustained writes and in RAID arrays. This is generally preferred over SMR (Shingled Magnetic Recording) for NAS and server applications where performance consistency is critical.
Alternatives
If you need absolute warranty certainty and are willing to pay more, look for new enterprise-grade drives. If you need quieter operation and less intense workloads, consider new consumer NAS drives or SSDs for primary storage.
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