Western Digital Part #/MPN: WD40EFRX
DiscTech Item #: WDC-WD40EFRX-BN-OE
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Interface Types: SATA
Form Factor: 3.5inx1.0in LFF Hard Drive
Sector Size: 512 / 512e
Sustained Throughput: 171
Electrical Interface: SATA 600 - 6.0Gbps
On-Board Cache: 64MB
Western Digital RED WD40EFRX 4TB 64MB Cache 3.5" NAS SATA 6 Gb/s - Brand New
WD Red is designed specifically for small NAS systems that have 1 to 8 drive bays. The drives are designed and extensively tested for compatibility in the unique 24x7 operating environment and for the demanding system requirements of home and small office NAS.
Storage for 1 to 8 bay NAS solutions - WD Red is designed specifically for NAS systems that have 1 to 8 drive bays in both 3.5-inch and 2.5-inch form factors. The drives are designed and extensively tested for compatibility in the unique 24x7 operating environment and for the demanding system requirements of home and small office NAS.
NASware grows to 3.0 - WD Red now supports small NAS systems from 1 to 8 bays thanks to NASware 3.0, which further improves drive compatibility and reliability. At 48 TB of total capacity in an 8 bay system, WD Red expands your NAS experience.
B3D Active Balance Plus - Our enhanced dual-plane balance control technology significantly improves the overall drive performance and reliability. Hard drives that are not properly balanced may cause excessive vibration and noise in a multi-drive system, reduce the hard drive life span, and degrade the performance over time. (EFRX models only)
WD drives are innovatively designed and manufactured with lead-free, conflict-free and halogen-free materials.
Calculates optimum seek speeds to lower power consumption, noise and vibration.
NoTouch Ramp Load technology
The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit.
Package includes a hard drive only - no screws, cables, manuals included. Please purchase mounting hardware and cables separately if necessary.
This hard drive is compatible with: Windows 7/Vista/XP/2000, Windows Server, Linux, and Mac OS.
|Interface||SATA 6 Gb/s|
|Buffer Size||64 MB|
|Load/unload Cycles||600,000 minimum|
|Buffer To Host (Serial ATA)||6 Gb/s (Max)|
|User Sectors Per Drive|
|Operating Shock (Read)||30G, 2 ms|
|Non-operating Shock||300G, 2 ms|
|Read (Peak Watts)|
|Write (Peak Watts)|
|Idle Mode||31 dBA (average)|
|Seek Mode 0||34 dBA (average)|
|Operating||41° F to 131° F|
|Non-operating||-40° F to 158° F|
|Operating||5° C to 55° C|
|Non-operating||-40° C to 70° C|
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Weight: 1.8 lb
Warranty: 1 Year DiscTech
The product is brand new.
1 Year DiscTech Warranty
The product has a DiscTech warranty for the time period specified. View our limited warranty