Western Digital 4TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD4005FFBX
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AI Verdict
This 4TB, 7200 RPM, SATA 6 Gb/s CMR drive with 256 MB cache is built for high-intensity, 24x7 multi-user NAS environments.
This drive is a strong fit for its intended purpose: high-demand NAS systems. Its 7200 RPM speed, CMR technology, and 550TB/yr workload rating are specifically engineered for continuous, multi-user environments, ensuring performance and longevity where it matters.
If 4TB isn't enough, look for higher capacity WD Red Pro models, or if noise is a major concern, consider a lower RPM drive if performance isn't critical.
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Pros
- Offers a 7200 RPM spindle speed, contributing to data transfer rates up to 267 MB/s.
- Utilizes CMR (Conventional Magnetic Recording) technology, which is preferred for consistent performance in NAS arrays.
- Rated for a 550TB/yr workload, indicating high endurance for continuous operation.
- Engineered specifically for 24x7 multi-user commercial and enterprise NAS environments.
- Backed by a 5-year limited warranty, suggesting manufacturer confidence in its longevity.
Cons
- Some users report noticeable vibrations, especially when installed in disk docks, which can transfer to the desk.
- Can produce audible noise during active read/write operations, with reported load noise around 36 dB.
- There are isolated reports of drives being dead on arrival (DOA).
- Runs warmer than lower RPM drives, which might require adequate cooling in some enclosures.
Dimension Scores
The 7200 RPM spindle speed and reported transfer rates up to 267 MB/s position it above average for mechanical hard drives.
With a 550TB/yr workload rating, 2 million hours MTBF, 600,000 load/unload cycles, and a 5-year warranty, this drive is built for high endurance and long-term operation.
4TB is a common and useful capacity for many NAS setups, but larger drives are available for those with more extensive storage needs.
It is specifically designed and extensively tested for compatibility with a wide range of NAS systems, including those with an unlimited number of bays.
Best For
- Multi-bay RAID-optimized NAS systems requiring consistent data access.
- Commercial and enterprise NAS environments with high-intensity workloads.
- Users needing to store, share, and collaborate on large datasets continuously.
- Environments demanding 24x7 operation and high data endurance.
Not Recommended For
- Desktop PCs where absolute silence is a priority, due to potential noise during operation.
- Single-drive external enclosures where vibration might be an issue on a desk.
- Budget-conscious users who don't require enterprise-grade features or 24x7 reliability.
Watch Out For
- Vibrations from the drive can be felt through the desk when used in a disk dock.
- Some buyers have received units that were dead on arrival.
- The drive can be loud during read/write activity, with noise levels reaching around 36 dB.
- One user experienced a canceled Amazon order for these drives due to a damaged box, leading to purchasing from an alternative retailer.
Full Specifications
| ASIN | B0D1V6F7Y9 |
| Brand | WD |
| Color | Red |
| Series | WD Red Pro |
| Language | Italian, Italian |
| Batteries | 1 AAAA batteries required. |
| Hard Drive | 4 TB Mechanical Hard Disk |
| Item Weight | 1.47 pounds |
| Manufacturer | Western Digital Technologies, Inc. |
| Special Feature | For RAID-optimized NAS system |
| Flash Memory Size | 4 TB |
| Installation Type | Internal Hard Drive |
| Item model number | WD4005FFBX-SPCAUN0 |
| Compatible Devices | Network Attached Storage |
| Product Dimensions | 1.4 x 4.3 x 5.7 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 | 1.4 x 4.3 x 5.7 inches |
| Connectivity Technology | SATA |
| Digital Storage Capacity | 4000 GB |
| Hard Drive Rotational Speed | 7200 RPM |
| Is Discontinued By Manufacturer | No |
What Buyers Say
Users frequently highlight the drive's consistent performance and ease of integration into NAS systems, often noting its reliability over long periods. However, a recurring theme in feedback points to noticeable vibrations, especially when the drive is in a disk dock, and some users find the operational noise to be a drawback during active use. Despite these concerns, the 5-year warranty is often cited as a significant factor in user satisfaction.
“Man, this thing is fast for my NAS, but it shakes my whole desk sometimes when it's really working. Hope it lasts, that 5-year warranty is clutch though.”
Common Praise
- Delivers consistent and efficient performance within NAS systems.
- Easy to set up and integrates well with various NAS enclosures.
- Exhibits high reliability and long-term performance without failures for many users.
- Provides good speed for data transfers, often outperforming older drives.
- The 5-year limited warranty offers significant peace of mind.
Common Complaints
- Generates noticeable vibrations that can be felt through the desk when in a disk dock.
- Can be loud during read/write operations, with noise levels around 36 dB.
- Some users have reported receiving units that were dead on arrival.
- Runs warmer compared to lower RPM drives, which might be a concern in less ventilated enclosures.
Ownership Tips
- The vibrations can be a real issue depending on your NAS enclosure or disk dock, potentially requiring dampening solutions.
- Noise levels are most apparent during heavy data access; it's generally quiet when idle.
- The 5-year warranty is a significant benefit, providing confidence for long-term data storage.
- Performance is noticeably snappier than 5400 RPM drives, making a difference in multi-user environments.
Frequently Asked Questions
Is this drive noisy?
Some users report it can be loud during active read/write operations, with idle noise around 29 dB and load around 36 dB.
Is this drive suitable for 24/7 operation?
Yes, it's engineered for high-intensity 24x7 multi-user NAS environments, making it suitable for continuous use.
What is the warranty period?
The drive comes with a 5-year limited warranty.
What is the data transfer rate?
It has a maximum sustained data transfer rate of up to 267 MB/s.
Is this a CMR or SMR drive?
This drive uses CMR (Conventional Magnetic Recording) technology, which is generally preferred for NAS applications due to consistent performance.
Can I use this drive in a regular desktop PC?
While primarily designed for NAS, you can use it in a desktop PC as secondary storage. However, be aware of potential noise during operation, which might be more noticeable in a desktop environment.
Buying Guide
When you're looking at a hard drive like this for a NAS, you need to think about how much data you're actually going to be moving around and how often. This isn't just about how big it is, but how it handles constant work. You're paying for a drive that's built to be on all the time, handling requests from multiple users without breaking a sweat, unlike a regular desktop drive.
Capacity (4000 GB)
RPM (7200)
CMR (Conventional Magnetic Recording)
Workload Rate (550TB/yr)
Alternatives
If you need more storage, look for drives with higher capacities like 8TB or 12TB. If noise is a primary concern and you don't need top-tier speed, consider drives with a 5400 RPM or 5900 RPM spindle speed.
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