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Western Digital Red 4Tb Sata6G NAS Hard Drive View larger

Western Digital Red 4Tb Sata6G NAS Hard Drive

HD-W4000R

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Western Digital Red 4Tb Sata6G NAS Hard Drive

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Western Digital Red 4Tb Sata6G NAS Hard Drive

Product Specifications

Western Digital Red WD40EFRX , 4Tb/4000gb , Sata6G , 64mb cache , with intellipower ( 5400-7200rpm for management ) , designed for 24x7 business-critical applications with NASware optimized for RAID configured NAS system , with SCT ( SMART Command Transport ) , Intelligent error recovery + command completion to prevent data corruption in the event of power loss + noise and vibration control

Product Range Features (Actual Product Features May Differ - Zaps)

Advanced firmware technology built into every WD Red drive, NASware 2.0 enables seamless integration, robust data protection and optimal performance for systems operating in NAS and RAID environments.

 

Since your NAS system is always on, a highly reliable drive is essential. With a 35% MTBF improvement over standard desktop drives, the WD Red drive with NASware 2.0 is designed and manufactured to be a more reliable and robust solution.

 

Product Range Specifications (Actual Product Specifications May Differ - Zaps)

Product Specifications
InterfaceSATA 6 Gb/s

Performance Specifications
Rotational SpeedIntelliPower *
Buffer Size64 MB
Transfer Rates
Buffer To Host (Serial ATA)6 Gb/s (Max)

Physical Specifications
Formatted Capacity4,000,787 MB
Capacity4 TB
Form Factor3.5 Inch
User Sectors Per Drive7,814,037,168

Performance Specifications
Target Performance
MTBF1,000,000 hours

Physical Dimensions
English
Height1.028 Inches
Depth5.787 Inches
Width4.00 Inches
Weight1.50 Pounds
Metric
Height26.1 mm
Depth147 mm
Width101.6 mm
Weight0.68 kg

Environmental Specifications
Shock
Operating Shock (Read)65G, 2 ms
Non-operating Shock250G, 2 ms
Acoustics
Idle Mode25 dBA (average)
Seek Mode 028 dBA (average)
Temperature (English)
Operating32° F to 158° F
Non-operating-40° F to 158° F
Temperature (Metric)
Operating-0° C to 70° C
Non-operating-40° C to 70° C
Humidity
Operating5-95% RH non-condensing
Vibration
Operating0.004 g²/Hz (10 to 300 Hz)
Non-operating0.05 g²/Hz (10 to 300 Hz)
Operating
Linear20-300 Hz, 0.75G (0 to peak)

Electrical Specifications
Current Requirements
12 VDC
Read/Write250 mA
Idle230 mA
Standby7 mA
Sleep7 mA
5 VDC
Read/Write280 mA
Idle260 mA
Standby105 mA
Sleep105 mA
Power Dissipation
Read/Write4.50 Watts
Idle3.30 Watts
Standby0.40 Watts
Sleep0.40 Watts

Compatibility
Operating System
CompatibilityWindows/Mac/Linux

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