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WD Red Pro WD4005FFBX 4 TB
5FFBX

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$209.99
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WD Red Pro WD4005FFBX 4 TB
5FFBX
Red5 year warranty
2 TB
64/7200 CMR
4 TB
5FFBX
4 TB
256/7200
6 TB
6002FFWX
6 TB
6005FFBX
8 TB
256/7200
10 TB
512/7200 CMR
12 TB
256 MB
12 TB
512 MB
14 TB
142KFGX
16 TB18 TB20 TB
268MB/s
20 TB
285MB/s
22 TB24 TB
Main
Placementbuilt-in
TypeHDD
Featuresserver
Volume4 TB
Form factor3.5 "
ConnectionSATA3
Manufacturer's warranty5 years
Technical specs
Cache memory256 MB
Record technologyCMR
RPM7200 rpm
Data transfer rate267 MB/s
Operation power consumption5.8 W
Standby power consumption4 W
Reading noise level36 dB
Standby mode noise level29 dB
MTBF2 M h
MTBF (on/off)600 K
Features
Featuresfor video surveillance
General
Size147x102x26 mm
Weight720 g
Added to E-CatalogJuly 2024
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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5FFBX

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Wd WD Red Pro 3.5" HDD SATA 6Gbps NAS Hard Drive, 4TB WD4005FFBX

WD Red Pro hard drives are specifically designed to handle high intensity workloads for commercial and enterprise NAS environ... morements. Performance optimised for continuous operation, WD Red Pro ensures reliable and dependable storage backed by an industry-le Optimised for NAS systems with WD NASware technology to increase performance and reliability Built for continuous, 24/7 operation in high intensity multi-user applications Ideally suited for sharing large amounts of data in multi-bay RAID-optimised NAS systems Extensive testing to ensure compatibility with NAS enclosures Rotation Vibration sensors anticipate and proactively counteract disturbances caused by increased vibration Multi-axis shock sensor detects subtle shocks and automatically compensates to protect the drives Conventional Magnetic Recording (CMR) technology 5 Year limited manufacturer warranty Drive only
cpc.farnell.com
Delivery: in United Kingdom
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£179.94
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WD WD 4TB Red Pro 7200rpm HDD 256MB Cache Internal NAS Hard Drive (WD4003FFBX) WD4005FFBX

Built for NAS systems, the WD Red Pro 4TB Internal NAS Hard Drive is optimised for all your high-intensity workloads. The 4TB... morecapacity and max data transfer rates of 217MB/s provide ample room for both you and your colleagues to quickly share and back up any precious work files into your NAS device. The 3.5’’ form factor means this NAS HDD can easily fit into most standard 24-bay NAS systems. Plus, compatibility with NASware 3.0 technology facilitates optimum performance whilst experiencing heavy loads along with extensive data protection. WD Red Pro 4TB Internal NAS Hard Drive at a Glance: Designed for NAS systems 4TB capacity 7200 RPM 256MB cache SATA III connectivity – max data transfer rate of 217MB/s Exclusive NASware 3.0 technology Optimised for Business Use The WD Red Pro 4TB Internal NAS Hard Drive comes equipped with everything you need to streamline your business. With 4TB of storage space, there’s ample room for both your and your employee's files and projects, which can be quickly accessed whenever necessary thanks to the 217MB/s data transfer rates. The 256MB internal cache improves overall performance, storing any of your more frequently used files for rapid access, and reducing the number of writes and reads to the main storage. To ensure the WD Red Pro 4TB Internal NAS Hard Drive can handle all your high-intensity workloads, it features onboard NASware 3.0 technology. This NAS HDD has been optimised for peak performance and reliability, along with robust data protection. The 3.5’’ form factor means this drive will seamlessly fit into a range of 24-bay NAS devices and features a multi-axis shock sensor that automatically detects any shock events. Once it does, dynamic flight technology adjusts each read and write function to protect your precious data for incredible long-lasting reliability. What’s more, 3D Active Balance Plus ensures this HDD remains perfectly balanced within your NAS device, reducing excess vibration and noise and enhancing the overall lifespan of your hard drive. The WD Red Pro 4TB Internal NAS Hard Drive has a max speed of 72000 RPM but features extended thermal cycle burn-in to prevent unwanted excess heat from damaging the drive.
Overclockers.co.uk
Delivery: to United Kingdom
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£199.99
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WD Red Pro 4TB 3.5" SATA3 Cache NAS HDD/Hard Drive 7200rpm

Scan.co.uk
Delivery: to United Kingdom
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£199.99
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Western Digital Red Pro 4TB WD4005FFBX WD4005FFBX

Western Digital Red Pro . HDD capacity: 4 TB, HDD speed: 7200 RPM, Storage drive buffer size: 256 MB, HDD size: 3.5", Interfa... morece: Serial ATA...
Senetic.co.uk
Delivery: to United Kingdom
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£211.66
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Western Digital Red Pro . HDD capacity: 4 TB HDD speed: 7200 RPM Storage drive buffer size: 256 MB HDD size: 3.5" Inter

Enterprise-class hard drives engineered to deliver high performance and reliability to commercial and enterprise NAS environm... moreents. WD Red Pro drives are engineered to handle high-intensity workloads in 247 multi-user commercial and enterprise NAS environments. WD Red Pro drives deliver the performance scalability and dependability businesses require to store share and collaborate on large amounts of data in multi-bay RAID-optimized NAS systems. Optimized for NAS with NASware Western Digitals exclusive NASware technology fine tunes drive parameters to match NAS system workloads which helps increase performance and reliability. Designed for Continuous Operation WD Red Pro hard drives are designed to handle the rigorous demands of high-intensity 24x7 multi-user NAS environments and increase system durability. Tested for Dependable Compatibility Western Digital partners with a wide range of NAS system vendors for extensive testing to ensure compatibility with most NAS enclosures. Protected against Excessive Vibration WD Red Pro drives include Rotation Vibration (RV) sensors that anticipate and proactively counteract disturbances caused by increased vibration. By dispersing excess vibration across the drive chassis turbulence is minimized performance is maintained and drives are protected. Built to Absorb Shock WD Red Pro hard drives include a multi-axis shock sensor to detect subtle shock events and automatically compensate with dynamic fly height technology to further protect the drives in NAS enclosures. Engineered with Industry-Leading Technology WD Red Pro 22TB and 24TB hard drives feature Western Digitals proprietary OptiNAND technology which leverages integrated iNAND embedded flash to perform key housekeeping functions freeing up more capacity and improving the overall drive performance. Backed by World-Class Support and Warranty As an industry-leading hard drive manufacturer Western Digital stands behind their NAS storage solutions with the assurance of a 5-year limited warranty and world-class support services for hassle free data storage. Desktop drives vs. WD Red Pro It is important to choose a drive purpose-built for RAID-optimized NAS systems to ensure optimum performance and preserve your valuable data. Take the following into consideration when choosing a hard drive for your NAS Compatibility: Unlike desktop drives WD Red Pro hard drives are specifically designed and tested for NAS and include NASware technology which fine tunes drive parameters to match NAS system workloads for optimum performance. Reliability: Desktop drives arent typically designed for the demands of an always-on NAS environment. WD Red Pro hard drives are designed to perform under tough conditions encountered in high-intensity 24x7 multi-user NAS environments. RAID Ready: WD Red hard drives are engineered with RAID error recovery control to help reduce failures within multi-bay NAS systems unlike most desktop drives that are
Quzo.co.uk
Delivery: to United Kingdom
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£226.92
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Series WD Red (NAS)Compare using chart →
Model overview based on user reviews  
The WD Red Pro series offers a range of capacities, including 6TB and 8TB options, known for their best-in-class speed. However, users have noted that these drives can become quite hot, with temperatures reaching up to 55 degrees in NAS systems, and they can be noisy, producing a noticeable buzz or crackling sound. This noise level, around 37 dB, might be disruptive for home use, especially if placed near sleeping areas. Despite these drawbacks, the drives are appreciated for their performance, and some users have observed improvements in newer models, possibly due to firmware updates. Overall, the WD Red Pro is a solid choice for those prioritizing speed and capacity, provided the noise and heat are manageable in their setup.
Pros

Cons

User reviews 3
Write Review →
good model, liked it.
15 October 2017 
If a noise level of 37 dB is not critical, and good airflow because the best among 6TB does not exist yet. There are 3 HDDs of 6TB released in March 2017 - they show a heating of 53-55 degrees, a few days ago I bought another one made in May 2017 with a sensor heating up to 48 degrees, what is this - probably they changed the firmware??
The main thing is the speed of work - best in class 6 TB
Strong heating, in NAS Asustor 6210T up to 55 degrees; Under heavy load, it's somewhat noisy for home use - it buzzes loudly
use WD Red Pro month or more
Discuss
 Show Original
The disc is not bad, but only for use where its noise won't be a disturbance.
16 August 2025 
Purchased the WD4003FFBX at the beginning of the year in a used condition with minimal operating hours. It performs well in operation. Compared to the Toshiba x300 4Tb, the Toshiba vibrates more, but during read-write moments, the knocking from the WD is unpleasant, which subjectively feels even worse than the Toshiba.
CMR, support for different sector sizes (i.e., the disk is converted to 4kn)
Noisier during intensive work moments than the Toshiba X300
Volodimir: use WD WD4003FFBX few months
Discuss
 Show Original
Very noisy - crackling
5 June 2021 
The 8TB drive is very noisy. It crackles during use. If you are buying it for a home NAS, place it somewhere away from where someone sleeps.
Volume
Noise
MrG0d: use WD WD8003FFBX less than month
Discuss
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WD Red Pro WD4005FFBX configurations

Price for WD Red Pro WD4005FFBX
WD Red Pro WD2002FFSX 2 TB
64/7200 CMR
from £161.457 offers
WD Red Pro WD4005FFBX 4 TB
5FFBX
from £179.9410 offers
WD Red Pro WD4003FFBX 4 TB
256/7200
from £245.001 offer
WD Red Pro WD6002FFWX 6 TB
6002FFWX
from £295.511 offer
WD Red Pro WD6005FFBX 6 TB
6005FFBX
from £209.948 offers
WD Red Pro WD8003FFBX 8 TB
256/7200
from £274.1515 offers
WD Red Pro WD103KFBX 10 TB
512/7200 CMR
from £341.127 offers
WD Red Pro WD121KFBX 12 TB
256 MB
from £499.992 offers
WD Red Pro WD122KFBX 12 TB
512 MB
from £319.9910 offers
WD Red Pro WD142KFGX 14 TB
142KFGX
from £379.999 offers
WD Red Pro WD161KFGX 16 TBfrom £407.9415 offers
WD Red Pro WD181KFGX 18 TBfrom £463.993 offers
WD Red Pro WD201KFGX 20 TB
268MB/s
from £487.997 offers
WD Red Pro WD202KFGX 20 TB
285MB/s
from £996.352 offers
WD Red Pro WD221KFGX 22 TBfrom £645.988 offers
WD Red Pro WD240KFGX 24 TBfrom £645.986 offers
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Hard Drive (HDD) WD WD4005FFBX