Western Digital RE 4TB 7200 RPM vs Western Digital Blue 4TB 5400 RPM: Spec Comparison
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This guide compares the western digital re wd4000fyyz 4tb 7200 vs wd blue 4tb PC models. Both drives offer 4TB of storage and use the SATA 6 Gb/s interface. They share a 3.5-inch form factor and 64MB cache. The main difference is rotational speed. The RE model spins at 7200 RPM for higher performance. The Blue model spins at 5400 RPM for lower power use. You need to decide which speed fits your workflow.
Key differences
| Aspect | Western Digital Blue 4TB 5400 RPM Renewed HDD | Western Digital RE 4TB 7200 RPM Hard Drive |
|---|---|---|
| Rotational Speed | 5400 RPM | 7200 RPM |
| Warranty | 2-year manufacturer's limited | 3 Years from Reseller |
| Reliability Rating | not listed | 1.2 million hour MTBF |
| Target Use | PC | Enterprise / Business-critical |
Which one should you choose?
Choose Western Digital Blue 4TB 5400 RPM Renewed HDD if
- You prioritize lower power consumption and noise for general PC use
- You need a drive with a standard 2-year manufacturer warranty
- You are using the drive for everyday desktop tasks
Choose Western Digital RE 4TB 7200 RPM Hard Drive if
- You require higher sustained data transfer rates for demanding applications
- You need a drive designed for 24x7 operation in enterprise settings
- You want the benefit of a longer 3-year reseller warranty
Verdict: Choose the WD Blue if you need a quiet, energy-efficient drive for standard desktop computing. Pick the WD RE if you require higher performance and reliability for business-critical or continuous operation tasks.
RE 4TB vs WD Blue 4TB Specs
Rotational Speed
The Western Digital RE WD4000FYYZ spins at 7200 RPM, while the WD Blue 4TB PC operates at 5400 RPM. Higher rotational speed generally allows for faster data access and better sequential read performance. The RE drive targets business-critical applications with sustained sequential data rates of 171 MB/s. The WD Blue drive is designed for standard PC use. If you need higher throughput for demanding tasks, the 7200 RPM RE drive provides a clear advantage in raw performance metrics compared to the slower 5400 RPM Blue model.
Reliability and Duty Cycle
The WD RE drive is built for 24x7 operation with a 100% duty cycle and features a field-tested 1.2 million hour MTBF. It is designed for quality and reliability in demanding environments. The WD Blue drive does not list specific MTBF or duty cycle ratings in its published specifications. The RE drive includes a dual processor to maximize performance and reliability. For users requiring continuous uptime and enterprise-grade durability, the RE drive offers superior reliability specifications compared to the consumer-oriented WD Blue drive.
Cache Size
Both drives feature a 64 MB cache. The WD Blue 4TB PC lists a 64 MB cache in its key specs. The WD RE WD4000FYYZ also specifies a 64 MB cache. Since both models share the exact same cache capacity, there is no difference in this specific specification. This means neither drive holds an advantage over the other regarding buffer memory size for handling temporary data storage.
Form Factor
Both drives utilize a 3.5-inch form factor. The WD Blue 4TB PC is listed as a 3.5-inch drive. The WD RE WD4000FYYZ is also a 3.5-inch internal hard drive. This standard size allows both drives to fit into typical desktop computer cases and NAS enclosures that support 3.5-inch bays. Since the physical dimensions for mounting are identical, neither drive has an advantage in terms of form factor compatibility.
Hardware Interface
Both drives use the SATA 6 Gb/s interface. The WD Blue 4TB PC supports SATA 6 Gb/s. The WD RE WD4000FYYZ also supports SATA 6.0Gb/s. This interface ensures compatibility with modern motherboards and NAS systems. The transfer rates are consistent across both models. Since both drives offer the same connection speed and type, there is no performance difference in connectivity. Neither drive holds an edge in hardware interface specifications.
Which drive fits your storage needs
Users needing high reliability for 24/7 use
The Western Digital RE drive is built for continuous operation. It features a 1.2 million hour MTBF rating, which ensures long-term stability for business-critical applications. The 7200 RPM speed provides faster data access, and the dual processor architecture maximizes performance. This makes it ideal for servers or workstations that run constantly without downtime.
PC owners prioritizing quiet and cool operation
The WD Blue model spins at 5400 RPM, which reduces noise and vibration. It includes IntelliSeek technology to calculate optimum seek speeds, further lowering power consumption. The NoTouch Ramp Load Technology protects the data heads. This drive is a practical choice for standard desktop PCs where quiet performance and energy efficiency matter more than raw speed.
Admins managing demanding enterprise storage workloads
This drive delivers sustained sequential data rates of 171 MB/s and high random I/O rates. The 7200 RPM rotation supports up to a 100% duty cycle, making it suitable for nearline storage needs. The OEM packaging and 3-year reseller warranty provide professional support. It is designed to handle the most demanding storage requirements with consistent high performance.
The products compared
Western Digital Blue 4TB 5400 RPM Renewed HDD
Best for: quiet home PC storage and media archives
- Storage Capacity
- 4TB
- Form Factor
- 3.5in
- Hardware Interface
- SATA 6 Gb/s
- Rotational Speed
- 5400 RPM Class
- Cache Size
- 64 MB
- Compatibility
- PC
View on Amazon: Western Digital Blue 4TB 5400 RPM Renewed HDD Affiliate link
The WD Blue 4TB PC Hard Drive offers 4TB of storage at 5400 RPM with a 64 MB cache. It uses a SATA 6 Gb/s interface and 3.5-inch form factor. This drive prioritizes low power consumption and quiet operation through IntelliSeek technology. It suits users who need reliable, everyday storage for PCs without the higher speed of enterprise drives.
Pros
- 4TB storage capacity for large file archives
- 64 MB cache for data buffering
- IntelliSeek technology reduces power and noise
- NoTouch Ramp Load protects the drive head
Cons
- 5400 RPM speed is slower than 7200 RPM alternatives
- Renewed condition may have cosmetic wear
- 90-day warranty is shorter than standard new drives
Good fit if
- You need quiet, low-power storage for a home PC
- You store large media files and do not need high speed
- You want a budget-friendly 4TB option for general use
Skip if
- You require high-speed performance for video editing or gaming
- You need the longest possible manufacturer warranty coverage
- You prefer a brand-new drive with original packaging
Verdict: WD Blue 4TB 5400 RPM is a quiet, energy-efficient drive for users who value capacity and low noise over raw speed. It fits well in standard desktop PCs where performance demands are modest.
Western Digital RE 4TB 7200 RPM Hard Drive
Best for: enterprise servers and 24/7 business applications
- Storage Capacity
- 4TB
- Form Factor
- 3.5in
- Hardware Interface
- SATA 6.0Gb/s
- Rotational Speed
- 7200 RPM
- Cache Size
- 64MB
- Dimensions
- 9.3 × 5.4 × 3.7 inches
View on Amazon: Western Digital RE 4TB 7200 RPM Hard Drive Affiliate link
This is a 4TB internal hard drive designed for enterprise environments. It spins at 7200 RPM with a 64MB cache and uses a SATA 6.0Gb/s interface. The drive offers sustained sequential data rates of 171 MB/s. It is built for 24x7 operation with a high MTBF rating. You should consider this drive if you need reliable performance for business-critical applications rather than casual PC use.
Pros
- 7200 RPM rotational speed for higher performance
- 64MB cache for improved data handling
- SATA 6.0Gb/s interface for fast transfer rates
- Designed for 24x7 operation with high reliability
Cons
- 7200 RPM generates more noise and heat than 5400 RPM drives
- OEM model lacks manufacturer warranty support
- Enterprise design is overkill for standard desktop PCs
Good fit if
- You need high sustained data transfer rates
- You are building a server for business-critical tasks
- You require a drive designed for 24x7 duty cycles
Skip if
- You want a quiet drive for a home office
- You need a standard retail warranty
- You are storing media on a casual desktop PC
Verdict: WD RE 4TB 7200 RPM Enterprise Drive is a high-performance storage solution for servers. It suits users who prioritize reliability and speed over silence and retail support.
Specifications side by side
| Spec | Western Digital Blue 4TB 5400 RPM Renewed HDD | Western Digital RE 4TB 7200 RPM Hard Drive |
|---|---|---|
| Storage Capacity | 4TB | 4TB |
| Form Factor | 3.5in | 3.5in |
| Hardware Interface | SATA 6 Gb/s | SATA 6.0Gb/s |
| Rotational Speed | 5400 RPM Class | 7200 RPM |
| Cache Size | 64 MB | 64MB |
| Compatibility | PC | not stated |
| Size | 4TB | 4 TB |
| Dimensions | 5.79 × 4 × 1.03 inches | 9.3 × 5.4 × 3.7 inches |
| Weight | 1.5 pounds | 1 pounds |
| Color | Blue | Silver |
| Model | WD40EZRZ#CR | WD4000FYYZ OEM-cr |
Frequently asked questions
Is the WD Blue 4TB suitable for a home media server?
Yes, the WD Blue 4TB is designed for quiet home PC storage and media archives. Its 5400 RPM speed and 64MB cache prioritize low noise and energy efficiency over raw throughput. This makes it ideal for users who value silence and modest performance demands in a standard desktop environment.
Can the Western Digital RE drive handle 24/7 business operations?
Yes, the WD RE 4TB is built for enterprise servers and continuous business applications. It features a 1.2 million hour MTBF rating, ensuring long-term stability for critical data. The 7200 RPM speed and SATA interface support the high reliability required for round-the-clock server environments.
Do both drives use the same physical dimensions?
Both drives share a 3.5-inch form factor, but their exact dimensions differ slightly. The WD Blue measures 5.79 by 4 by 1.03 inches, while the WD RE is 9.3 by 5.4 by 3.7 inches. You should verify case compatibility, as the RE drive has a larger footprint.
Which drive offers better sequential read speeds?
The WD RE 4TB generally offers faster sequential read speeds due to its 7200 RPM rotational speed. Higher RPM allows for quicker data access compared to the WD Blue’s 5400 RPM. Both use SATA interfaces and 64MB caches, but the RE drive is optimized for higher performance.
Is the WD Blue drive compatible with standard PCs?
Yes, the WD Blue 4TB is explicitly compatible with PCs. It uses a standard SATA hardware interface and fits into 3.5-inch drive bays. This makes it a straightforward upgrade for desktop computers where quiet operation and energy efficiency are preferred over maximum throughput.
Does the WD RE drive include retail packaging?
The WD RE 4TB is listed as an OEM product, suggesting it may not include standard retail packaging or consumer-focused accessories. It is designed for enterprise integration rather than individual retail sale. Buyers should check specific seller listings for included manuals or mounting hardware.
How much cache memory do these drives have?
Both the WD Blue and WD RE 4TB drives feature 64MB of cache memory. This cache helps buffer data transfers, improving performance during random access operations. Despite their different target markets, they share this specific specification for handling data flow between the platters and the SATA interface.