WD NasWare Red WD40EFRX 4 TB CMR
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Catalog WD 2025 - new products, best sales and most actual models WD.
Buy WD NasWare Red WD40EFRX 4 TB CMR
WESTERN DIGITAL HDD WD NAS 35 4TB 7200RPM 256MB SATA3 RED PRO WD40EFRX-68AX9N0 | £170.12 |  | |||
Western Digital Red 4TB internal hard drive Variable 64 MB 3.5" S WD40EFRX-RFB | £146.45 |  | |||
Western Digital Western Digital Red SATA III 4TB (WD40EFRX) | £94.99 |  | |||
Western Digital WD Red WD40EFRX 4 TB 90521093 | £135.00 | | |||
WD NasWare Red WD40EFRX configurations
| Price for WD NasWare Red WD40EFRX | ||||
|---|---|---|---|---|
| WD NasWare Red WD10EFRX 1 TB | from £44.98 | 4 offers | |
| WD NasWare Red WD20EFRX 2 TB | from £93.74 | 2 offers | |
| WD NasWare Red WD30EFRX 3 TB CMR | from £109.99 | 4 offers | |
| WD NasWare Red WD40EFRX 4 TB CMR | from £94.99 | 4 offers | |
| WD NasWare Red WD40EFAX 4 TB SMR | from £132.76 | 2 offers | |
| WD NasWare Red WD60EFRX 6 TB CMR | from £380.90 | 1 offer | |
 | WD NasWare Red WD60EFAX 6 TB SMR | from £195.00 | 1 offer | |
| WD NasWare Red WD101EFAX 10 TB WD101EFAX | from £446.39 | 1 offer | |
Red Baron
De jure, WD Red is a hard drive for creating RAID arrays (mirror or serial) and installing in NAS servers. The spindle speed is 5400 rpm, that is, compared to other PC components, it is almost silent. 64 MB of buffer memory to speed up the processing of the smallest files. Sequential read and write is performed at 150 – 160 MB / s, which is quite fast by the standards of low-speed HDDs.
Round the clock work
Implemented in Red a number of proprietary technologies WD. First, NASware 3.0 firmware provides 100% compatibility with popular NAS server models, 24/7 operation, and easy RAID scalability. Simply put, you can install additional drives even without having to reboot your PC or NAS server — the operating system will attach them to the shared disk space, as they say, "on the fly".
Quiet and smooth
Secondly, 3D Active Balance Plus balances magnetic plates in two planes with precision, thereby reducing vibration and increasing HDD reliability. Finally, thirdly, IntelliPower automatically changes the data transfer rate and the smart caching algorithm depending on the load. Indeed, from our personal experience we can confirm that Red, regardless of the size, are among the quietest 3.5-inch HDDs on the market.
For home and office
But de facto, the WD Red is a fairly versatile, quiet and reliable hard drive that's great for a home or work PC as an addition to a fast but low-capacity SSD. That is, whether the scope of its application is not limited to NAS servers alone. WD Red is not suitable except for the role of the main system drive — for this task it is better to choose Blue or Black at 7200 rpm (read and write speed 200 – 220 MB / s).
